Table 2.

Distribution of demographic characteristics, experimenter status, and smoking-related covariates at baseline and mean exposure to smoking in the movies by baseline demographic characteristics, experimenter status, and smoking-related covariates (n = 1,286). Mean differences in exposure to smoking in the movies on the demographic characteristics and smoking-related covariates by ever experimenter status (n = 1,286)

n (%)Mean exposure to smoking in movies (SD)PExperimenter statusP
Ever experimenterNever experimenter
Mean exposure to smoking in movies (SD)Mean exposure to smoking in movies (SD)
Overall1,286 (100.0)217.3 (164.09)283.4 (169.60)194.6 (155.89)<0.001
Gender
    Females655 (50.9)186.2 (154.20)297.4 (165.19)226.4 (164.44)<0.001
    Males631 (49.1)249.6 (167.90)<0.001260.0 (174.92)169.2 (143.89)<0.001
Age (y)
    11512 (39.8)172.3 (145.57)227.8 (178.61)163.5 (137.83)<0.001
    12411 (32.0)224.5 (165.41)284.9 (167.16)205.4 (160.43)<0.001
    13363 (28.2)272.7 (169.34)<0.001306.9 (162.34)245.7 (170.26)<0.001
Country of birth
    United States846 (65.8)231.9 (166.24)294.3 (169.16)208.1 (158.93)<0.001
    Mexico440 (34.2)189.3 (156.30)<0.001257.0 (168.61)170.4 (147.49)<0.001
Acculturation
    Low403 (23.2)159.3 (152.1)208.1 (159.5)145.2 (140.2)<0.001
    High883 (76.8)243.8 (163.8)<0.001312.1 (165.1)218.6 (157.7)<0.001
Parental education
    Less than high school837 (65.1)202.2 (158.56)262.5 (165.93)181.3 (150.54)<0.001
    High school graduate226 (17.6)236.4 (164.71)311.3 (167.49)212.9 (157.08)<0.001
    More than high school223 (17.3)254.8 (176.16)<0.001333.4 (173.22)225.9 (168.73)<0.001
Experimenter status
    Never957 (74.4)194.6 (155.89)
    Ever329 (25.6)283.4 (169.60)<0.001
        Baseline120 (36.5)304.9 (172.51)
        New209 (63.5)271.1 (167.08)0.08
Risk taking
    Low567 (44.1)175.9 (152.03)220.9 (162.88)167.3 (148.50)0.002
    High719 (55.9)250.0 (165.98)<0.001307.3 (166.30)221.6 (158.47)<0.001
Anxiety
    Low1,139 (88.6)211.3 (161.11)279.5 (166.47)190.4 (153.58)<0.001
    High147 (11.4)264.1 (179.37)<0.001300.4 (182.95)237.6 (173.02)0.04
No. of household members who smoke
    None801 (62.3)201.0 (158.64)220.9 (162.88)167.3 (148.50)0.002
    1383 (29.8)230.5 (166.17)307.3 (166.30)221.6 (158.47)<0.001
    ≥2102 (7.9)296.2 (172.42)<0.001
A friend smokes
    None1,088 (84.6)203.5 (159.77)269.5 (172.81)188.8 (152.96)0.001
    ≥1198 (15.4)293.0 (167.22)<0.001304.7 (162.91)270.7 (174.19)0.17
Had detention
    None919 (71.5)200.2 (159.95)276.9 (172.77)182.7 (151.70)<0.001
    ≥1367 (28.5)260.3 (166.64)<0.001290.4 (166.40)237.3 (163.51)0.002

NOTE: Risk taking: low, 1 (risk averse); high, >1. Anxiety: low, below 85th percentile; high, ≥85th percentile.