Table 1.
Descriptive features of Individual-level variables
| Variable | (n = 45,273) %/mean | 95 % CI |
|---|---|---|
| Personal | ||
| Monthly smoking | 39.9 | 39.5–40.4 |
| Age (12–21) | 15.5 | 15.4–15.5 |
| Female | 51.1 | 50.6–51.5 |
| Educational level | ||
| Grade 8 | 19.8 | 19,4–20–1 |
| Grade 9 | 23.3 | 22.9–23.7 |
| Grade 10 | 21.8 | 21.5–22–2 |
| Grade 11 | 19.1 | 18.7–19.5 |
| Grade 12 | 16.0 | 15.7–16.4 |
| Pocket money | ||
| Less than $US 10 | 30.0 | 29.5–30.4 |
| $US 10–20 | 31.2 | 30.8–31.6 |
| $US 20–40 | 21.4 | 21.0–21.8 |
| $US 40–100 | 11.7 | 11.4–12.0 |
| More than $US 100 | 5.7 | 5.5–5.9 |
| How often do you attend religious services? | ||
| Never or almost never | 44.0 | 43.5–44.5 |
| Once in a while monthly or yearly | 34.3 | 33.8–34.7 |
| Weekly | 21.7 | 21.3–22.1 |
| Risk perception on drug use | 0,28 | 0–1 |
| Lowest Q1, Q2, Q3 | 72.2 | 71.8–72.6 |
| Highest Q1 | 27.8 | 27.4–28.2 |
| Family | ||
| With whom do you live? | ||
| Both Mother and Father | 67.3 | 66.8–67.7 |
| Father and his partner | 1.2 | 1.1–1.3 |
| Mother and her partner | 7.0 | 6.8–7.2 |
| Only with your Father | 2.3 | 2.2–2.4 |
| Only with your Mother | 18.4 | 18.1–18.8 |
| With other person | 3.8 | 3.7–4.0 |
| Parental smoking | ||
| No | 44.7 | 44.2–45.2 |
| Yes | 55.3 | 54.8–55.8 |
| Parental Monitoring | ||
| How much are your parents aware of where you are after school? | ||
| They never or almost never know where you are | 5.9 | 5.7–6.1 |
| Sometimes they know | 25.3 | 24.9–25.7 |
| They always or almost always know where you are | 69.8 | 68.4–69.2 |
| How much are your parents aware of what you do in school? | ||
| Nothing | 1.3 | 1.2–1.4 |
| Some | 15.3 | 15.0–15.6 |
| Very Much | 83.4 | 83.1–83.7 |
| How well do your parents know your friends? | ||
| A little | 14.5 | 14.2–14.9 |
| More or less | 46.0 | 45.6–46.5 |
| Very well | 39.4 | 39.0–39.9 |
| Having a talk with parents about drug risks | ||
| Yes | 68.5 | 68.1–68.9 |
| No | 31.5 | 31.1–31.9 |