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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2009 Dec;18(12):3435–3443. doi: 10.1158/1055-9965.EPI-09-0766

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)

Experimenter Status

Ever
Experimenter
Never
Experimenter

N (%) Mean exposure
to smoking in
movies (SD)
p-value Mean exposure to
smoking in
movies (SD)
Mean exposure to
smoking in
movies (SD)
p-value
Overall 1,286 (100.0) 217.3 (164.09) 283.4 (169.60) 194.6 (155.89) < 0.001
Gender
  Females 655 (50.9) 186.2 (154.20) 297.4 (165.19) 226.4 (164.44) < 0.001
  Males 631 (49.1) 249.6 (167.90) < 0.001 260.0 (174.92) 169.2 (143.89) < 0.001
Age (years)
  Eleven 512 (39.8) 172.3 (145.57) 227.8 (178.61) 163.5 (137.83) < 0.001
  Twelve 411 (32.0) 224.5 (165.41) 284.9 (167.16) 205.4 (160.43) < 0.001
  Thirteen 363 (28.2) 272.7 (169.34) < 0.001 306.9 (162.34) 245.7 (170.26) < 0.001
Country of birth
  US 846 (65.8) 231.9 (166.24) 294.3 (169.16) 208.1 (158.93) < 0.001
  Mexico 440 (34.2) 189.3 (156.30) < 0.001 257.0 (168.61) 170.4 (147.49) < 0.001
Acculturation
  Low 403 (23.2) 159.3 (152.1) 208.1 (159.5) 145.2 (140.2) < 0.001
  High 883 (76.8) 243.8 (163.8) < 0.001 312.1 (165.1) 218.6 (157.7) < 0.001
Parental education
  < HS 837 (65.1) 202.2 (158.56) 262.5 (165.93) 181.3 (150.54) < 0.001
  HS grad 226 (17.6) 236.4 (164.71) 311.3 (167.49) 212.9 (157.08) < 0.001
  > HS 223 (17.3) 254.8 (176.16) < 0.001 333.4 (173.22) 225.9 (168.73) < 0.001
Experimenter status
  Never 957 (74.4) 194.6 (155.89) -- -- --
  Ever 329 (25.6) 283.4 (169.60) < 0.001 -- -- --
    Baseline 120 (36.5) 304.9 (172.51) -- -- --
    New 209 (63.5) 271.1 (167.08) 0.08 -- -- --
Risk taking
  Low 567 (44.1) 175.9 (152.03) 220.9 (162.88) 167.3 (148.50) 0.002
  High 719 (55.9) 250.0 (165.98) < 0.001 307.3 (166.30) 221.6 (158.47) < 0.001
Anxiety
  Low 1139 (88.6) 211.3 (161.11) 279.5 (166.47) 190.4 (153.58) < 0.001
  High 147 (11.4) 264.1 (179.37) < 0.001 300.4 (182.95) 237.6 (173.02) 0.04
No. household members who smoke
  None 801 (62.3) 201.0 (158.64) 220.9 (162.88) 167.3 (148.50) 0.002
  One 383 (29.8) 230.5 (166.17) 307.3 (166.30) 221.6 (158.47) < 0.001
  ≥ Two 102 (7.9) 296.2 (172.42) < 0.001
A friend smokes
  None 1088 (84.6) 203.5 (159.77) 269.5 (172.81) 188.8 (152.96) 0.001
  ≥ One 198 (15.4) 293.0 (167.22) < 0.001 304.7 (162.91) 270.7 (174.19) 0.17
Had detention
  None 919 (71.5) 200.2 (159.95) 276.9 (172.77) 182.7 (151.70) < 0.001
  ≥ One 367 (28.5) 260.3 (166.64) < 0.001 290.4 (166.40) 237.3 (163.51) 0.002
  • Risk Taking: Low = 1 (risk averse); High > 1
  • Anxiety: Low = below 85th percentile; High >= 85th percentile