Skip to main content
. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Adolesc Health. 2012 Apr 12;51(5):497–502. doi: 10.1016/j.jadohealth.2012.02.017

Table 2.

Chi-Square and T-Test Results Examining Association Between Age 18 Predictor Variables and Young Adult Initiation.

Categorical Predictor Variables Nonsmokers
(n=1524)
N (%)
Initiators
(n=510)
N (%)
Chi-
Square
p-value
Gender 24.91 <.001
   Male 696 (70.0) 298 (30.0)
   Female 828 (79.6) 212 (20.4)
Race/Ethnicity 9.61 .048
   African American or Black 69 (85.2) 12 (14.8)
   American Indian or Alaskan Native 17 (73.9) 6 (26.1)
   Asian 39 (86.7) 6 (13.3)
   Hispanic or Latino 30 (81.1) 7 (18.9)
   White 1331 (73.9) 471 (26.1)
Parent Education .52 .915
   Less than High School 9 (75.0) 3 (25.0)
   High School Diploma for GED 232 (73.2) 85 (26.8)
   Some College or Associates Degree 329 (74.8) 111 (25.2)
   College Degree/Graduate Degree 800 (75.2) 264 (24.8)
Residence 4.30 .038
   Metropolitan 970 (73.4) 351 (26.6)
   Nonmetropolitan 548 (77.6) 158 (22.4)
Age 19 Educational Enrollment 1.91 .385
   Not Enrolled 300 (74.1) 105 (25.9)
   2-Year College/Technical School 248 (72.5) 94 (27.5)
   4- Year College 809 (76.0) 255 (24.0)
Perceived Prevalence of Peer Smoking 2.10 .349
   Most or All of Them 272 (72.5) 103 (27.5)
   Some 891 (76.0) 281 (24.0)
   A Few or None 359 (74.0) 126 (26.0)
Perceived Prevalence of Adult Smoking 1.56 .459
   Most or All of Them 247 (77.7) 71 (22.3)
   Some 1052 (74.4) 363 (25.7)
   A Few or None 222 (74.5) 76 (25.5)
Bother Parents if Smoked 3.75 .053
   A lot 1344 (79.3) 351 (20.7)
   A little or not at all 149 (73.4) 54 (26.6)
Someone in Household Smokes 4.32 .038
   Yes 347 (71.4) 139 (28.6)
   No 1174 (76.1) 369 (23.9)
Household Smoking Ban 3.18 .075
   Yes 1287 (75.8) 412 (24.3)
   No 231 (71.1) 94 (28.9)

Continuous Predictor Variables M (SD) M (SD) t p-value

Number of Four Best Friends who Smoke (0–4) .60 (.96) .80 (1.02) 4.02 <.001
Smoking Lifts Mood (1–5) 1.55 (.94) 1.66 (1.00) 2.36 .018
Smoking Helps Control Weight (1–5) 1.84 (1.13) 2.02 (1.26) 2.83 .005
Smoking Calms One Down (1–5) 2.09 (1.25) 2.40 (1.29) 4.75 <.001
Negative Perception of the Tobacco Industry (1–5) 4.18 (.82) 4.11 (.86) 1.69 .092