Table 4

Adjusted cumulative odds ratio (OR) of a student being further along the smoking uptake process according to student characteristics4-150 among never smokers and experimental smokers in grades 6–9 (n = 543)

Student characteristic Adjusted cumulative OR 95% CI p Value
Number of CPI's owned
 0Reference
 11.71.1 to 2.60.03
 22.5 1.2 to 5.10.01
 ⩾ 34.81.9 to 12.20.001
Friend and family smoking
 NoneReference
 Family only1.40.7 to 2.80.35
 Friends only3.31.9 to 5.8< 0.0001
 Family and friends5.53.1 to 9.8< 0.0001
  • 4-150 This model also includes controls for grade in school, sex, school performance, and perceived prevalence of smoking.