Table 1

Sample characteristics of cross-sectional sample at baseline and never smokers at follow-up, Vallejo, CA
Characteristics at baseline Cross-sectional analysis (n = 2,589) Longitudinal analysis (n = 1,179)
Variable Sample Variable Sample
n % or M (SD) n % or M (SD)
Socio-demographics
  Gender (Male) 2568 44.7% 1170 40.5%
   Race 2589 1179
   African American 31.4% 31.8%
   Asian/Pacific Islander 30.5% 37.7%
   White 18.8% 23.1%
   Other 19.3% 7.5%
  Ethnicity (Hispanic) 2589 33.8% 1179 36.6%
  Grade level 2578 1177
   6 18.5% 19.3%
   7 36.7% 38.3%
   8 31.5% 27.4%
   9 13.4% 15.0%
  Baseline survey year 2589 1179
   2006 63.7% 58.1%
   2007 36.3% 41.9%
Retail tobacco marketing exposure
  Shopping frequency (visits per week) 2584 3.96 (4.03) 1177 3.27 (3.64)
  Brand recognition
   Camel (menthol) 2559 52.2% 1166 48.6%
   Marlboro 2559 36.1% 1168 34.4%
   Newport (menthol) 2572 32.0% 1174 25.9%
Other risk factors for smoking
  Grade-point average 2529 2.52 (1.11) 1153 2.73 (1.05)
  Unsupervised days after school 2573 2.47 (2.04) 1177 2.29 (2.05)
  Risk-taking propensity 2577 2.41 (1.04) 1174 2.18 (0.92)
  At least 1 smoker at home 2571 42.7% 1176 37.7%
  At least 1 friend smokes 2577 34.4% 1178 25.6%
  Ever smoked, at least a puff 2568 25.8% Excluded from analysis

Note: Shopping frequency is sum of visits per week for three store types (convenience, small market, and liquor).

Dauphinee et al. BMC Public Health 2013 13:170   doi:10.1186/1471-2458-13-170

Open Data