Variables | Odds Ratio (95% CI: Lower to Upper) | p-value (α = 0.05) | |
---|---|---|---|
Sex (Ref = Female) | Males | 1.73 (1.48 to 2.02) | <0.0001 |
Grade (Ref = Grade 10) | Grade 11 | 1.20 (1.00 to 1.44) | 0.0003 |
Grade 12 | 1.53 (1.24 to 1.87) | ||
Ethnicity (Ref = White) | Black | 0.83 (0.58 to 1.19) | < 0.0001 |
Asian | 0.53 (0.39 to 0.71) | ||
Aboriginal | 2.17 (1.74 to 2.70) | ||
Hispanic | 1.49 (1.03 to 2.17) | ||
Friend Smokers (Ref = None) | 1 | 2.82 (2.05 to 3.88) | < 0.0001 |
2 | 5.28 (3.82 to 7.30) | ||
3 or more | 10.47 (8.56 to 12.81) | ||
Sibling Smokers (Ref = None) | 1 | 2.82 (2.29 to 3.48) | < 0.0001 |
2 | 3.43 (2.59 to 4.54) | ||
3 or more | 7.07 (5.01 to 9.97) | ||
Parent/Guardian Smokers (Ref = None) | 1 | 1.76 (1.44 to 2.15) | < 0.0001 |
2 | 2.25 (1.82 to 2.79) | ||
3 or more | 3.63 (2.80 to 4.69) | ||
Weekly Personal Spending Money (Ref = Zero) | $1–$5 | 1.05 (0.72 to 1.53) | < 0.0001 |
$6–$10 | 1.16 (0.81 to 1.68) | ||
$11–$20 | 1.73 (1.28 to 2.34) | ||
$21–$40 | 2.33 (1.75 to 3.09) | ||
$41–$100 | 2.23 (1.65 to 3.00) | ||
> $100 | 3.76 (2.93 to 4.81) |