Table 2.
Logistic regression analyses examining characteristics associated with roll-your-own (RYO) tobacco ever use and current use among current smokers in grades 9 to 12, 2008-2009, Canada
|
Adjusted Odds Ratio (95% CI)§ | ||
|---|---|---|
| Roll-your-own Tobacco Ever Usea | Roll-your-own Tobacco Current Useb | |
| Sex | ||
| Female |
1.00 |
1.00 |
| Male |
1.39 (1.18, 1.62)*** |
1.27 (1.05, 1.53)* |
| Grade | ||
| 9 |
1.00 |
1.00 |
| 10 |
0.80 (0.62, 1.03) |
0.92 (0.69, 1.23) |
| 11 |
1.02 (0.80, 1.31) |
0.65 (0.48, 0.86)** |
| 12 |
0.62 (0.48, 0.81)*** |
0.40 (0.29, 0.54)*** |
| Smoking status |
|
|
| Current occasional smoker |
1.00 |
1.00 |
| Current daily smoker |
2.35 (2.01, 2.74)*** |
1.75 (1.40, 2.19)*** |
| Frequency of marijuana use | ||
| Never used marijuana |
1.00 |
1.00 |
| Has tried but does not use monthly |
1.72 (1.23, 2.40)** |
1.56 (0.95, 2.54) |
| Uses once a month or more |
2.24 (1.67, 2.99)*** |
2.74 (1.79, 4.20)*** |
| Weekly spending money | ||
| $0 |
1.00 |
1.00 |
| $1 to $20 |
0.89 (0.65, 1.22) |
0.67 (0.47, 0.96)* |
| $21 to $100 |
0.91 (0.67, 1.22) |
0.44 (0.31, 0.61)*** |
| More than $100 |
0.68 (0.50, 0.92)* |
0.45 (0.31, 0.64)*** |
| Average number of cigarettes per day | ||
| A few puffs or 1 cigarette |
|
1.00 |
| 2 or 3 cigarettes |
|
3.61 (2.10, 6.21)*** |
| 4 to 10 cigarettes |
|
4.82 (2.82, 8.25)*** |
| 11 or more cigarettes |
|
6.52 (3.72, 11.40)*** |
| c statistic | 0.681 | 0.727 |
Note: § Odds ratios adjusted for all other variables in the table and controlling for Region.
a 1 = Ever smoked RYO tobacco (n = 1,691), 0 = Never smoked RYO tobacco (n = 1,284).
b 1 = Currently smokes RYO tobacco (n = 936), 0 = Does not currently smoke RYO tobacco (n = 2,004).
*p < .05 **p < .01 ***p < .001.