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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: J Health Commun. 2009 Dec;14(8):756–767. doi: 10.1080/10810730903295567

Table 1.

Exposure to Tobacco Use, Alcohol Use, Sexual Content, Drug Use, and Violence by MPAA Rating*

MPAA rating
(N)		 Mean
seconds of
tobacco use
exposure
(SD)		 Mean
seconds of
alcohol use
exposure
(SD)		 Mean
seconds of
sexual
content (SD)		 Proportion
of films
with high
salience
drug use
(SD) † 		Proportion of
films with high
frequency
violence (SD) ‡
G (37) 14.6 (48.3) 32.0 (57.6) 4.0 ( 8.7) 0.0 (0.0) 48.6 (50.7)
PG (148) 39.6 (76.1) 122.6 (184.5) 10.4 (17.2) 0.0 (0.0) 56.8 (49.7)
PG-13 (363) 80.0 (133.4) 207.0 (190.6) 30.5 (34.9) 9.4 (29.2) 65.6 (47.6)
G,PG G,PG G,PG
R (352) 178.8(260.0) 242.4 (242.7) 42.6 (57.9) 20.7 (40.6) 88.1 (32.5)
G,PG,13 G,PG G,PG,13 G,PG,13 G,PG,13
*

Note. Tukey’s wholly significant difference test was used to compare means across tobacco exposure, alcohol exposure, and sexual content. A Bonferroni correction was used to compare proportions for drug use salience and violence. G notation indicates statistically different from G movies; PG statistically different from PG movies; 13 statistically different from PG-13 movies.

†

High salience drug use included the categories moderate and extreme drug use.

‡

High frequency violence contained the categories moderate and frequent violence.