Movie Character Smoking and Adolescent Smoking: Who Matters More, Good Guys or Bad Guys?

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1 Movie Charater Smoking and Adolesent Smoking: Who Matters More, Good Guys or Bad Guys? CONTRIBUTORS: Susanne E. Tanski, MD, a,b Mike Stoolmiller, PhD, Sonya Dal Cin, PhD, d Keilah Worth, PhD, b Jennifer Gibson, MS, b and James D. Sargent, MD a,b a Department of Pediatris, Dartmouth Medial Shool, Hanover, New Hampshire; b Caner Risk Behaviors Group, Norris Cotton Caner Center, Lebanon, New Hampshire; Oregon Soial Learning Center, University of Oregon, Eugene, Oregon; and d Department of Communiation, University of Mihigan, Ann Arbor, Mihigan KEY WORDS adolesent smoking, media ABBREVIATION MPAA Motion Piture Assoiation of Ameria doi: /peds Aepted for publiation Nov 6, 2008 Address orrespondene to Susanne E. Tanski, MD, Dartmouth- Hithok Medial Center, One Medial Center Drive, Hinman Box 7925, Lebanon, NH susanne.e.tanski@hithok. org PEDIATRICS (ISSN Numbers: Print, ; Online, ). Copyright 2009 by the Amerian Aademy of Pediatris FINANCIAL DISCLOSURE: The authors have indiated they have no finanial relationships relevant to this artile to dislose. WHAT S KNOWN ON THIS SUBJECT: Smoking is ommonly depited in movies, and viewing smoking in movies has been linked to adolesent smoking attitudes and initiation in regional, national, and international samples. However, it is not lear how harater presentation affets adolesents responses to movie smoking depitions. WHAT THIS STUDY ADDS: Charater smoking predits adolesent smoking initiation regardless of the harater of the smoker, but negative portrayals of smoking have their greatest impat on adolesents low in risk-taking. These findings demonstrate the importane of limiting exposure to all movie smoking. abstrat OBJECTIVE: To assess the assoiation between smoking onset and exposure to movie smoking aording to harater type. METHODS: A longitudinal, random-digit-dial telephone survey of 6522 US adolesents was performed with movie exposure assessed at 4 time points over 24 months. Adolesents were asked whether they had seen a random subsample of reently released movies, for whih we identified smoking by major haraters and type of portrayal (divided into negative, positive, and mixed/neutral ategories). Multivariate hazard regression analysis was used to assess the independent effets of these exposures on the odds of trying smoking. RESULTS: By the 24-month follow-up survey, 15.9% of baseline neversmokers had tried smoking. Within the sample of movies, 3848 major haraters were identified, of whom 69% were male. Smokers represented 22.8% of 518 negative haraters, 13.7% of 2486 positive haraters, and 21.1% of 844 mixed/neutral haraters. Analysis of the rude relationship showed that episodes of negative harater smoking exposure had the strongest influene on smoking initiation. However, beause most haraters were portrayed as positive, exposure to this ategory was greatest. When the full population effet of eah exposure was modeled, eah type of harater smoking independently affeted smoking onset. There was an interation between negative harater smoking and sensation-seeking with stronger response for adolesents lower in sensation-seeking. CONCLUSIONS: Charater smoking predits adolesent smoking initiation regardless of harater type, whih demonstrates the importane of limiting exposure to all movie smoking. Negative harater portrayals of smoking have stronger impat on low risk-taking adolesents, underutting the argument that greater exposure is a marker for adolesent risk-taking behavior. Pediatris 2009;124: PEDIATRICS Volume 124, Number 1, July

2 Smoking is ommonly depited in movies, and viewing smoking in movies has been linked to adolesent smoking attitudes and smoking initiation in regional, 1 8 national, 9 and international samples. A ommon question posed by artisti diretors and researhers in media involves how ontextual elements of the movie or movie harater might affet adolesent responses to movie smoking. No studies have addressed these ontextual elements as effet modifiers, but studies seem to agree that movie smoking is not realisti in ertain respets. Smoking is depited in the majority of movies but only 20% to 25% of movie haraters smoke, 18,19,22 24 rates that are similar to population rates of smoking. However, most ontent analyses onluded that the depition of smoking in movies ontrasts with reality in that smoking is rarely assoiated with negative health outomes and smoking haraters are more likely to be male, affluent, and powerful, ompared with smokers in the United States. 14,17,18,25 The urrent investigation had 3 aims, namely, to ount major haraters in a sample of popular ontemporary movies released in and to desribe their smoking status and their harater portrayal (whether they are positive, negative, or mixed harater types), to estimate how muh exposure adolesents have to eah type of harater smoking, and to determine the assoiation between eah of these exposures and smoking initiation in a longitudinal sample of US adolesents. METHODS Adolesent Survey Between June and Otober 2003, a nationally representative sample of 6522 US adolesents, 10 to 14 years of age, was reruited through a random-digit dial telephone survey, with 3 follow-up surveys at 8-month intervals. Of the baseline survey partiipants, 5503 (84%) partiipated in the 8-month survey, 5019 (77%) in the 16-month survey, and 4574 (70%) in the 24-month survey. Demographi harateristis of the baseline sample mirrored those of the US adolesent population (as assessed by the US Census) with respet to age, gender, household inome, and Census region. The reruitment and sampling proedures have been desribed in detail previously. 9 Telephone surveys were onduted in English or Spanish by trained interviewers, with a omputer-assisted telephone interview system developed by Westat (Rokville, MD), a national researh organization. Parental onsent and adolesent assent were obtained before respondents were interviewed in eah survey wave. To protet onfidentiality, adolesents indiated their answers to sensitive questions by pressing numbers on the telephone, rather than speaking aloud. All aspets of the survey were approved by the institutional review boards at Dartmouth Medial Shool and Westat. In addition to the movies viewed, other information was olleted from the adolesents, inluding age, gender, rae, parent eduation, shool performane, involvement in extraurriular ativities, personality harateristis (rebelliousness and sensation-seeking propensity), parent, sibling, and peer smoking, and adolesent-reported parenting praties. 26 Movie Seletion The movie sampling and survey tehniques were onduted aording to the Beah method, for whih validity and reliability have been reported previously. 27 Movie titles queried in the adolesent survey were drawn from movie lists that inluded 532 popular ontemporary movies released as early as 1998 for the baseline survey. Pertinent movie harater data were not available for 200 movies released before 2000, beause of hanges in movie oding proedures; therefore, estimates of exposure to harater movie smoking apply only as far bak as Movie lists for follow-up surveys inluded box offie hit movies released to theaters or DVD sine the previous survey round ( 150 titles for eah survey). At eah survey, adolesents were queried regarding 50 movie titles seleted randomly from that survey s movie list and stratified aording to the Motion Piture Assoiation of Ameria (MPAA) ratings, so that the MPAA rating distribution for eah individual list refleted that of the larger movie list (eg, 19% G/PG, 41% PG-13, and 40% R at baseline). Respondents were asked whether they had ever seen eah movie on their unique list. Movies that had been seen previously by the adolesent were exluded subsequently; by 24 months, adolesents who had ompleted all 4 surveys had been asked about 200 movie titles. Content Analysis The Dartmouth Visual Media Laboratory employs 2 trained, experiened, movie oders, who ounted the number of smoking episodes in eah of the movies by using previously validated methods 17 and have now analyzed 1300 movies. Coders first viewed eah movie in its entirety to identify major haraters, that is, those who play leading roles, who influene the development of the plot, or who are affeted by the story (median: 6 major haraters per movie [interquartile range: 5 8 major haraters per movie]). In addition, oders rated harater valene aording to the following instrutions: What was the valene (positive/negative) of the overall portrayal of this harater? This refers to how the harater is portrayed to the viewer through the sript, the way they play the role, and the ations and 136 TANSKI et al

3 beliefs of the harater. This should reflet how the harater is intended to be portrayed to the viewer, not neessarily how the harater is interpreted (by other haraters). For instane, Harrison Ford in The Fugitive is portrayed to the viewer as a good harater, although the other haraters in the film suspet him of murder. Coding ategories were negative (a bad harater), neutral (not positive or negative), positive (a good harater), and mixed portrayal. Beause few haraters were oded as neutral, this ategory was ombined with mixed for the analyses. Coders viewed movies repeatedly to identify all episodes of harater smoking, that is, handling or using tobao in a sene. A smoking episode is based on a sene break or a major break in time and is not dependent on the sene s duration or how many times the tobao produt appears during the sene. For example, if a positive harater and a negative harater are smoking ontinuously during a 15-minute sene in a bar, then this ounts as 2 episodes, 1 for the positive harater and 1 for the negative harater. Ten perent of the movies were seleted randomly for oding by both oders, to assess reliability; the orrelation between oders assessments of total tobao exposure time in the double-oded sample was Agreement regarding harater portrayal was less reliable ( 0.60), mainly beause of disagreement in identifying haraters as positive versus mixed/neutral. There was little disagreement in identifying haraters as negative. negative, and neutral/mixed smoking was quantified for eah adolesent at eah wave. Exposure to harater smoking differed aording to harater type by a fator of 2, with more exposure to positive harater smoking; therefore, responses to exposure were assessed by using rude and saled measures. For examination of the rude relationship, exposure was plotted against the probability of smoking, with exposure measured as the number of episodes of harater smoking. This emphasized the differene in the strength of assoiation at an episode-by-episode level, as illustrated by different slopes for the dose-response urves (Fig 1). From a population standpoint, however, it is important to model and to ompare the effets of the full exposure, taking into onsideration the fat that adolesents see more positive harater smoking. Therefore, for the regression analyses, the ontinuous measures of exposure for eah of the 3 harater smoking types were saled so that the 5th perentile of exposure was 0 and the 95th perentile was 1, as desribed below. This allowed modeling of the effet of the full exposure dose aording to harater type. Thus, this rude analysis emphasized the impat of harater type for eah additional smoking episode of exposure on adolesent smoking risk, whereas the multivariate analysis emphasized the impat of harater type for the full population exposure dose. Covariates The assessment of ovariates and their reliabilities were desribed previously. 9 To ompare effets, ovariates were also resaled to range from 0 to 1. For dihotomous variables (eg, age, gender, rae, parent eduation, and parent/friend/sibling smoking), Movie Charater Smoking Exposure By ombining adolesents survey reports of movies viewed and harater smoking within eah movie from the ontent analysis, exposure to positive, FIGURE 1 Crude effet of exposure to movie smoking, aording to harater type, on probability of smoking. Curves represent results from generalized additive logisti hazard models, with exposure to harater smoking modeled as the number of episodes of exposure. PEDIATRICS Volume 124, Number 1, July

4 no resaling was neessary. For ordered ategorial variables (eg, shool performane), the lowest ategory was reoded as 0 and the highest as 1, with intermediate levels evenly spaed between those values. The ontinuous ovariates rebelliousness, sensation-seeking, maternal responsiveness, maternal demandingness, and extraurriular involvement were first saled so that the 5th perentile was 0 and the 95th perentile was 1. To minimize outlier effets, any exposure below the 5th perentile was set to 0 and any exposure above the 95th perentile to 1; in addition, highly skewed variables (harater smoking and rebelliousness) were square roottransformed. The square root transformation had no pratial effet on the interpretation of the odds ratios beause the variables were all in the range of 0 to 1 (the square root of 0 is 0 and the square root of 1 is 1). Statistial Methods We used a hazard analysis to determine the assoiation between timevarying exposure to movie harater smoking and time to smoking initiation. Onset of smoking was asertained at the 8-month, 16-month, and 24-month surveys. An inident ase was defined as an adolesent who beame a smoker from the pool of those who were not smokers at the previous survey. The multivariate assoiation between exposure to smoking in movies and the hazard of smoking onset at eah time point was assessed by using disrete time hazard regression analysis to estimate hazard ratios for event ourrene, whih are interpreted like odds ratios. Partiipants were ensored (exluded) from further analysis after they tried smoking. Partiipants who never beame smokers were ensored at the final time interval, and partiipants who dropped out were ensored at their last survey. Censoring was assumed to be independent of the hazard of smoking initiation, onditional on ovariates inluded in the model. 31 For the rude analysis shown in Fig 1, generalized additive logisti hazard models were fitted to study the doseresponse urve for eah harater portrayal exposure variable (raw) and hazard of smoking initiation. The timevarying exposure measures represented new exposures that took plae between assessments; this new exposure predited initiation in the subsequent 8 months. Multivariate, linear, logisti hazard models were then fit by using the square root-transformed and saled exposure measures. We used 3 approahes to entering positive, negative, and mixed/neutral harater smoking into the multivariate models. First, eah exposure variable was entered separately in 3 multivariate models; for example, positive harater smoking exposure was in the model with all of the ovariates listed below but without other harater smoking variables. For simpliity, the adjusted odds of smoking initiation are reported for these 3 separate multivariate regression analyses without the ovariate effets being shown. Seond, all 3 harater portrayal smoking variables were entered in the same multivariate model (referred to as simultaneous), again with the ovariates. Finally, interation effets between ovariates and eah of the harater portrayal movie smoking variables were assessed. On the basis of previous results, 32 a negative interation between sensation-seeking and exposure to movie smoking was antiipated; however, there was no a priori hypothesis regarding how harater portrayal would affet the interation. RESULTS Desription of Movie Charater Smoking Within the sample of 532 movies from , 3848 major haraters were identified, 69.3% of whom were male (Table 1). There was a large predominane of positively portrayed haraters (64.6%; n 2486), with 518 haraters (13.4%) portrayed as negative and 844 (21.9%) portrayed as mixed or neutral. Overall, harater smoking prevalene was 16.5%, with a higher prevalene among negative (22.8%) and mixed/neutral (21.1%) haraters, ompared with positive haraters (13.7%). Table 2 shows harater portrayal aording to rae/ethniity, with the exlusion of 215 haraters (5.6%) that ould not be identified aording to rae (inluding 184 nonhuman haraters suh as animals, aliens, or robots). The predominant rae of movie haraters was white, with 13.9% of major haraters being blak and only 3.2% Hispani. Charater portrayal varied aording to rae, with negative portrayals being more prevalent among Arab/Middle Eastern hara- TABLE 1 Movie Charater Smoking, Aording to Charater Type and Gender, in 532 Popular Contemporary Movies Released in Positive Negative Mixed/Neutral All N (%) Smokers, % N (%) Smokers, % N (%) Smokers, % N (%) Smokers, % Male 1613 (64.9) (84.6) (73.1) (69.3) 18.4 Female 873 (35.1) (15.4) (26.9) (30.7) 12.3 Total Results exlude 15 haraters for whih gender ould not be oded. 138 TANSKI et al

5 TABLE 2 Distribution of Charaters Aording to Rae and Portrayal Type in 532 Top Box Offie Hits Released in and Smoking Prevalene Aording to Rae Charater Rae/Ethniity N (%) Smokers, % Charater Desriptor Category, % Movie US Population Positive Negative Mixed/Neutral Charaters White 2843 (73.9) Blak 533 (13.9) Hispani 125 (3.2) Asian/Paifi Islander 100 (2.6) Amerian Indian/Alaskan 17 (0.4) Arab/Middle Eastern 15 (0.4) 6.7 Not Avail Cannot ode 215 (5.6) Total sample 3848 (100) US population smoking rates were based on 2005 data. 34 ters (26.7%), Asian haraters (22%), and Hispani haraters (17.6%) and least prevalent among blak haraters (7.1%; P.001). Overall, smoking was portrayed by 18.3% of all white haraters, 14.3% of blak haraters, 20.8% of Hispani haraters, and 11.8% of Amerian Indian/Alaskan haraters (P.001). Movie Charater Smoking Exposure and Smoking Initiation The rate of smoking initiation by 24 months among baseline never-smokers in this adolesent sample was 15.9%. The prevalene of trying smoking was signifiantly higher among older adolesents, those with less-eduated parents, those who performed less well in shool, those who had a parent, sibling, or friend who smoked, those above the median for rebelliousness or sensation-seeking, those who had less-responsive and demanding mothers, and those who were less involved in extraurriular ativities (data not shown). Figure 1 shows the rude effet (fitted with generalized additive logisti hazard models) of exposure to movie smoking aording to harater portrayal, graphed as the number of episodes of exposure. All types of harater smoking (positive, negative, and neutral/mixed) had positive diret relationships with adolesent smoking, but negative harater smoking exposure had the strongest influene, as evidened by a steeper trend. Also illustrated in Fig 1 are the differenes in total doses. Although the relationships with the probability of adolesent smoking were weaker for mixed/ neutral and positive harater smoking, the total exposure effet was almost as great as the total effet of negative harater smoking, beause of greater exposure to mixed/neutral and positive harater smoking. One onern was that overall adolesent exposure to negative harater smoking would be highly orrelated with exposure to positive harater smoking, on the basis of the reognition that smoking lusters within movies. The orrelations between the 3 harater smoking exposure variables ranged from 0.50 to 0.55 (data not shown) and, although moderate, were not strong enough to prelude finding unique effets of eah harater type on adolesent smoking initiation. Table 3 shows the estimated effets of the full range of movie harater exposures, presented as multivariate hazard odds ratios with 95% onfidene intervals, for the harater smoking variables onsidered separately, simultaneously, and with interations of harater type and sensation-seeking. When variables were onsidered separately, full-range exposure to eah type of harater smoking inreased the odds of initiating smoking by 2. When variables were onsidered simultaneously, the effets were very similar in magnitude, with exposure to eah harater type inreasing the hazard of initiating smoking (ontrolling for the other 2 types) by a fator of 1.4. In fat, a likelihood ratio test with 2 degrees of freedom onfirmed that the 3 effets were not signifiantly different ( ; P.97). This suggests that a simple sum of all 3 movie harater smoking exposure variables would adequately and parsimoniously apture the effet of movie smoking. Covariate effets in all models were quite similar; signifiant positive effets inluded parent, sibling, and peer smoking, age, poor shool performane, parenting style, extraurriular ativity partiipation, rebelliousness, and sensation-seeking (all P.001), with odds ratios ranging from 1.5 to 2.8. Table 3 also shows results for the hazard model that inluded interations of harater type with sensation-seeking. Preliminary analyses revealed that only the interation with negative harater smoking was signifiant (P.05); therefore, interation effets for positive and mixed harater smoking were dropped in favor of the effet of the simple sum of positive and mixed harater smoking exposures. The interation was signifiant (P.05), whih indiated that low (5th perentile) sensation-seeking teens were most vulnerable to negative harater smoking (odds ratio: 2.55), ompared with average (50th perentile; odds ratio: 1.69) or high (95th perentile; odds ratio: 0.94) sensation-seeking teens. DISCUSSION This study demonstrates that all depitions of smoking affet adolesent smoking initiation, regardless of whether the harater is positive, negative, or somewhere in between. The study shows that the dose-response PEDIATRICS Volume 124, Number 1, July

6 TABLE 3 Results of Multivariate Hazard Odds Models Variable Crude Hazard Odds Ratio for Smoking Onset (95% Confidene Interval) Separate Multivariate Models Simultaneous Charater Variables Entered Together Interation Model Charater type Mixed a 4.09 ( ) 1.91 ( ) 1.39 ( ) Negative a 4.38 ( ) 1.90 ( ) 1.46 ( ) 2.55 ( ) Positive a 4.42 ( ) 2.02 ( ) 1.39 ( ) Common effet a 1.39 ( ) Negative sensation-seeking b 0.37 ( ) Female (referene: male) 0.87 ( ) 1.08 ( ) 1.08 ( ) Rae/ethniity (referene: white) Blak 1.25 ( ) 0.99 ( ) 0.99 ( ) Hispani 1.15 ( ) 1.13 ( ) 1.13 ( ) Other nonwhite 1.20 ( ) 1.16 ( ) 1.15 ( ) Either parent smokes 2.18 ( ) 1.53 ( ) 1.52 ( ) Friends smoke 5.08 ( ) 2.39 ( ) 2.39 ( ) Siblings smoke 2.60 ( ) 1.60 ( ) 1.60 ( ) Age d 4.46 ( ) 1.89 ( ) 1.88 ( ) Low parent eduation e 1.84 ( ) 1.09 ( ) 1.09 ( ) Poor shool performane e 4.59 ( ) 1.68 ( ) 1.68 ( ) Rebelliousness a 6.30 ( ) 1.83 ( ) 1.83 ( ) Poor parenting style e 7.09 ( ) 1.77 ( ) 1.76 ( ) Sensation-seeking a 9.84 ( ) 2.77 ( ) 3.01 ( ) Few extraurriular ativities e 3.07 ( ) 1.75 ( ) 1.75 ( ) Observation interval Seond (ompared with first) 0.79 ( ) 0.79 ( ) Third (ompared with first) 0.69 ( ) 0.69 ( ) a Models indiate the effet of going from the 5th to the 95th perentile for this variable. b The negative harater smoking estimate for this model represents the effet for low sensation-seekers. The effet estimate for high sensation-seekers was (the estimate was not statistially different from 1.0). The odds ratio for median (50th perentile) sensation-seeking was Three separate models were used in this olumn; for larity, no ovariates are listed, so ovariate effets ould not be listed; however, they were quite similar to those in the other models. d Models indiate the effet of going from 10 to 14 years of age at baseline. e Models ompare the highest and lowest sores for these ordinal variables and, in the ase of parenting style, going from the 95th to the 5th perentile for maternal responsiveness and demandingness. relationship varies aording to harater portrayal, with adolesents responding more strongly to eah episode of negative harater smoking than to mixed/neutral and positive harater smoking. This suggests that elimination of 100 episodes of negative harater smoking from the top box offie hits eah year would have a larger impat on youth smoking than elimination of 100 episodes of positive harater smoking. However, beause there are many more positive movie harater smokers, adolesents have greater exposure to this type of movie smoking. Therefore, the net effets of positive and negative harater smoking exposures on the population are approximately the same. In addition, there is an interation between negative harater smoking and sensation-seeking propensity, suh that adolesents lower in sensation-seeking are more sensitive to negative harater smoking portrayals than are their higher sensation-seeking ounterparts. This interation repliates and extends previous work that did not distinguish harater smoking and foused on the initiation of established smoking ( 100 lifetime igarettes). 33 These findings show that exposure to some aspets of movie smoking has a stronger influene on adolesents at low risk with respet to sensation-seeking. 5 Although both interations deserve further exploration and repliation, the finding that lowerrisk adolesents are more responsive to movie smoking underuts the argument that movie smoking is simply a marker for general risk or propensity for deviant behavior. With respet to harater smoking as it is portrayed in popular ontemporary movies, these findings support previous researh demonstrating that movie haraters who smoke are most likely white and male, 14,17,18,25 whih shows that movies represent smoking prevalene inaurately aording to rae and gender. For example, Hispani populations have among the lowest rates of smoking in the United States 34 but Hispani movie haraters are more likely to smoke; in ontrast, atual smoking prevalene among Amerian Indian/Alaskan Native adults is 33% 34 in the United States but is less than one half of that in movies. Far from presenting reality, as movie industry artists and spokespersons suggest, movies present a biased representation of smoking. To our knowledge, this is the first study to assess whether a movie harater trait beyond smoking status affets 140 TANSKI et al

7 responses among adolesents. Although a study by Distefan et al 6 found that girls (but not boys) with favorite ators or atresses who smoked were 80% more likely to initiate smoking than were those whose favorite ator had not been portrayed as a smoker, the authors did not examine ontextual elements of smoking portrayals. We did not find an interation between harater type and gender in this study. The differene might be attributable to the way in whih exposure was aptured; we used a method that assessed movie smoking exposure at a broader level than favorite ator, by asking about movie titles. As with any study, there are several limitations. Atual movie smoking exposure might have been underestimated, beause the umulative smoking exposure was based on the sample frame of movies eah adolesent reported atually seeing (50 movies per survey wave), derived from only the top 100 movies eah year. In 2006 alone, 600 movies were released in the United States. 35 Of those films, 176 grossed more than $ at the box offie; of those, 116 (66%) ontain smoking imagery. 13 We know of no other estimates of the prevalene of smoking within the remaining releases. Furthermore, youths often wath movies repeatedly, and a single viewing was assumed for the exposure assessment. Our estimates in this study were based only on whether the harater portrayal inluded smoking and did not inlude duration, intensity, or saliene of smoking, whih may influene smoking uptake. Beause we have not yet investigated potential mehanisms for this assoiation or other fators, suh as movie genre or the ontext of harater smoking, further analyses are warranted, suh as experimental studies in whih the exposure and dose an be ontrolled. Exposure to other media, suh as television or musi videos, was not aptured in this study, and these media also may inlude signifiant harater smoking that ould be influential to youths. Information on adolesent smoking was provided through self-report, as was information on parent, sibling, and peer smoking, and thus was subjet to misreporting. Finally, although we ontrolled for a variety of other fators that are known to affet youth smoking, there may be an unmeasured onfounder that aounts for some of the movie effet. This researh supports poliy-relevant messages direted at the movie industry. Movie diretors and ators should understand that simply depiting a smoker as negative does not prelude an effet on adolesent behavior; in fat, it may enhane that effet. Furthermore, an adult rating for smoking ould have a large impat on youth exposure, beause previous studies showed that youth-rated movies aount for 60% of movie smoking exposure and teen viewership rates for R-rated movies are low. In addition, the MPAA may need to adjust its 2007 statement, Now, all smoking will be onsidered and depitions that glamorize smoking or movies that feature pervasive smoking outside of an histori or other mitigating ontext may reeive a higher rating. 36 The present researh suggests that all smoking images (not just glamorous ones) have impat. A reent publiation reported that, 1 year later, this MPAA poliy had not been implemented in any meaningful way. 37 We hope that the urrent researh findings lead to more-substantial hanges regarding smoking in movies. CONCLUSIONS Charater smoking viewed in movies is assoiated with smoking uptake among adolesents, regardless of whether the haraters are good guys or bad guys. Beause smoking ours in almost all movies, parents should limit movie viewing and speifially should restrit aess to R-rated movies, whih tend to ontain more smoking. 38 Parents also need to be aware that adolesents whom they may onsider to be at low risk for smoking (beause they seem low in sensation-seeking) may be affeted muh more strongly by movie smoking. When youths do view movies and other media ontaining smoking, we suggest that parents should talk with their hildren and adolesents about smoking in the movies, in an effort to ameliorate any influene toward prosmoking attitudes or smoking uptake. ACKNOWLEDGMENTS This work was supported in part by the National Caner Institute (grant CA077026). We are indebted to our ontent oders, Elaina Bergamini, Daniel Nassau, and Balavinder Rakhra, for their areful work and to Caitlyn Stanton and Cynthia Path for their help in preparing this manusript. REFERENCES 1. Distefan JM, Gilpin EA, Sargent JD, Piere JP. Do movie stars enourage adolesents to start smoking? Evidene from California. Prev Med. 1999;28(1): Tikle JJ, Sargent JD, Dalton MA, Beah ML, Heatherton TF. Favourite movie stars, their tobao use in ontemporary movies, and its assoiation with adolesent smoking. Tob Control. 2001; 10(1):16 22 PEDIATRICS Volume 124, Number 1, July

8 142 TANSKI et al 3. Sargent JD, Beah ML, Dalton MA, et al. Effet of seeing tobao use in films on trying smoking among adolesents: ross-setional study. BMJ. 2001;323(7326): Sargent JD, Dalton MA, Beah ML, et al. Viewing tobao use in movies: does it shape attitudes that mediate adolesent smoking? Am J Prev Med. 2002;22(3): Dalton MA, Sargent JD, Beah ML, et al. Effet of viewing smoking in movies on adolesent smoking initiation: a ohort study. Lanet. 2003;362(9380): Distefan JM, Piere JP, Gilpin EA. Do favorite movie stars influene adolesent smoking initiation? Am J Publi Health. 2004;94(7): Jakson C, Brown JB, L Engle KL. R-rated movies, bedroom televisions, and initiation of smoking by white and blak adolesents. Arh Pediatr Adoles Med. 2007;161(3): Titus-Ernstoff L, Dalton MA, Adahi-Mejia AM, Longare MR, Beah ML. Longitudinal study of viewing smoking in movies and initiation of smoking by hildren. Pediatris. 2008;121(1): Sargent JD, Beah ML, Adahi-Mejia AM, et al. Exposure to movie smoking: its relation to smoking initiation among US adolesents. Pediatris. 2005;116(5): Hanewinkel R, Sargent JD. Exposure to smoking in popular ontemporary movies and youth smoking in Germany. Am J Prev Med. 2007;32(6): Hanewinkel R, Morgenstern M, Tanski SE, Sargent JD. Longitudinal study of parental movie restrition on teen smoking and drinking in Germany. Addition. 2008;103(10): Thrasher JF, Jakson C, Arillo-Santillan E, Sargent JD. Exposure to smoking imagery in popular films and adolesent smoking in Mexio. Am J Prev Med. 2008;35(2): Polansky J, Glantz S. First-Run Smoking Presentations in US Movies San Franiso, CA: Center for Tobao Control Researh and Eduation; Hazan AR, Lipton HL. Popular films do not reflet urrent tobao use. Am J Publi Health. 1994; 84(6): Everett SA, Shnuth RL, Tribble JL. Tobao and alohol use in top-grossing Amerian films. J Community Health. 1998;23(4): Roberts D, Henriksen L, Christenson P. Substane Use in Popular Movies and Musi. Rokville, MD: Offie of National Drug Control Poliy; Dalton MA, Tikle JJ, Sargent JD, Beah ML, Ahrens MB, Heatherton TF. The inidene and ontext of tobao use in popular movies from 1988 to Prev Med. 2002;34(5): Dozier DM, Lauzen MM, Day CA, Payne SM, Tafoya MR. Leaders and elites: portrayals of smoking in popular films. Tob Control. 2005;14(1): MIntosh WD, Bazzini DG, Smith SM, Wayne SM. Who smokes in Hollywood? Charateristis of smokers in popular films from 1940 to Addit Behav. 1998;23(3): Glantz SA, Kairk KW, MCulloh C. Bak to the future: smoking in movies in 2002 ompared with 1950 levels. Am J Publi Health. 2004;94(2): Mekemson C, Glik D, Titus K, et al. Tobao use in popular movies during the past deade. Tob Control. 2004;13(4): Dalton MA, Sargent JD, Beah ML, Bernhardt AM, Stevens M. Positive and negative outome expetations of smoking: impliations for prevention. Prev Med. 1999;29(6): Omidvari K, Lessnau K, Kim J, Merante D, Weinaker A, Mason C. Smoking in ontemporary Amerian inema. Chest. 2005;128(2): Worth KA, Cin SD, Sargent JD. Prevalene of smoking among major movie haraters: Tob Control. 2006;15(6): Worth KA, Duke J, Green M, Sargent JD. Charater Smoking in Top Box Offie Movies, First Look Report Number 18. Washington, DC: Amerian Legay Foundation; Jakson C, Henriksen L, Foshee VA. The Authoritative Parenting Index: prediting health risk behaviors among hildren and adolesents. Health Edu Behav. 1998;25(3): Sargent JD, Worth KA, Beah M, Gerrard M, Heatherton TF. Population-based assessment of exposure to risk behaviors in motion pitures. Commun Methods Meas. 2008;2(1 2): Allison PD. Event History Analysis: Regression for Longitudinal Event Data. Thousand Oaks, CA: Sage Publiations; Singer JD, Willett JB. Applied Longitudinal Data Analysis: Modeling Change and Event Ourrene. New York, NY: Oxford University Press; Muthen B, Masyn K. Disrete-time survival mixture analysis. J Edu Behav Stat. 2005;30(1): Shafer JL, Graham JW. Missing data: our view of the state of the art. Psyhol Methods. 2002;7(2): Sargent JD, Stoolmiller M, Worth KA, et al. Exposure to smoking depitions in movies: its assoiation with established adolesent smoking. Arh Pediatr Adoles Med. 2007;161(9): Sargent JD, Tanski SE, Gibson J. Exposure to movie smoking among US adolesents aged 10 to 14

9 years: a population estimate. Pediatris. 2007;119(5). Available at: ontent/full/119/5/e Centers for Disease Control and Prevention. Cigarette smoking among adults: United States, MMWR Morb Mortal Wkly Rep. 2005;54(44): Glikman D. State of the industry: remarks to ShoWest Downloaded from No longer available. Aessed April 3, Motion Piture Assoiation of Ameria. Film Rating Board to Consider Smoking as a Fator: Press Release, May 10, Washington, DC: Motion Piture Assoiation of Ameria; Polansky J, Titus K, Glantz SA. One Year Later: Are MPAA s Tobao Labels Proteting Audienes? San Franiso, CA: Center for Tobao Control Researh and Eduation; Sargent JD, Beah ML, Dalton MA, et al. Effet of parental R-rated movie restrition on adolesent smoking initiation: a prospetive study. Pediatris. 2004;114(1): PEDIATRICS Volume 124, Number 1, July

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