Table 1.
Prevalence of electronic cigarette, tobacco and waterpipe use and different patterns of use in past 30 days
| Type of products used | Total N % (95% CI) | Sex N % (95% CI) | Grade N % (95% CI) | |||
|---|---|---|---|---|---|---|
| Boys | Girls | 7th, Primary | 8th, Primary | 1st, Secondary | ||
| N | 3256 | 1613 | 1637 | 1218 | 1210 | 815 |
| Current prevalence | ||||||
| Cigarette smoking | 362 | 177 | 185 | 57 | 119 | 184 |
| 11.0 (9.9–12.1) | 10.9 (9.3–12.5) | 11.2 (9.6–12.9) | 4.6 (3.3–5.9) | 9.7 (7.9–11.5) | 22.5 (19.3–25.6) | |
| Waterpipe smoking | 298 | 152 | 146 | 71 | 96 | 128 |
| 9.0 (8.0–10.0) | 9.2 (7.7–10.7) | 8.7 (7.2–10.1) | 5.7 (4.3–7.11) | 7.7 (6.1–9.3) | 15.4 (12.7–18.1) | |
| E-cigarette use | 206 | 125 | 81 | 70 | 74 | 63 |
| 6.2 (5.3–7.1) | 7.6 (6.2–9.0) | 4.8 (3.7–5.9) | 5.6 (4.2–7.0) | 5.9 (4.5–7.3) | 7.6 (5.6–9.6) | |
| Prevalence by patterns of use | ||||||
| None of the products | 2652 | 1306 | 1341 | 1070 | 1013 | 560 |
| 81.4 (79.9–82.8) | 81.0 (78.9–83.1) | 81.9 (79.9–84.0) | 87.8 (85.8–89.8) | 83.7(81.4–85.6) | 68.7(65.2–72.2) | |
| Exclusive cigarette smoking | 190 | 93 | 97 | 30 | 64 | 95 |
| 5.8 (4.9–6.6) | 5.8 (4.6–7.0) | 5.9 (4.7–7.1) | 2.5 (1.6–3.4) | 5.3 (3.9–6.7) | 11.7 (9.3–14.1) | |
| E-cigarette and/ or waterpipe (no cigarette) | 244 | 130 | 114 | 91 | 79 | 73 |
| 7.5 (6.5–8.5) | 8.1 (6.7–9.5) | 7.0 (5.7–8.3) | 7.5 (5.9–9.1) | 6.5 (5.0–8.0) | 9.0 (6.9–11.1) | |
| Exclusive waterpipe use | 133 | 63 | 70 | 40 | 42 | 50 |
| 4.1 (3.4–4.8) | 3.9 (2.9–4.9) | 4.3 (3.2–5.4) | 3.3 (2.2–4.4) | 3.5 (2.4–4.6) | 6.1 (4.3–7.9) | |
| Exclusive electronic cigarette | 79 | 46 | 33 | 39 | 27 | 13 |
| 2.4 (1.8–2.9) | 2.9 (2.0–3.8) | 2.0 (1.3–2.7) | 3.2 (2.1–4.3) | 2.2 (1.3–3.1) | 1.6 (0.7–2.5) | |
| Electronic cigarettes and waterpipe | 32 | 21 | 11 | 12 | 10 | 10 |
| 1.0 (0.6–1.4) | 1.3 (0.7–1.9) | 0.7 (0.2–1.1) | 1.0 (0.4–1.6) | 0.8 (0.3–1.3) | 1.2 (0.4–2.0) | |
| Cigarette and other products | 170 | 84 | 85 | 27 | 54 | 87 |
| 5.3 (4.5–6.1) | 5.3 (4.1–6.5) | 5.2 (4.0–6.4) | 2.2 (1.3–3.1) | 4.5 (3.2–5.8) | 10.7 (8.4–13.0) | |
| Cigarette and electronic cigarettes | 44 | 22 | 22 | 9 | 15 | 20 |
| 1.4 (0.9–1.8) | 1.4 (0.8–2.0) | 1.3 (0.7–1.9) | 0.7 (0.2–1.2) | 1.2 (0.5–1.9) | 2.5 (1.3–3.7) | |
| Cigarettes and waterpipe | 80 | 30 | 50 | 12 | 19 | 48 |
| 2.5 (1.9–3.1) | 1.9 (1.2–2.6) | 3.1 (2.2–4.0) | 1.0 (0.4–1.6) | 1.6 (0.6–1.9) | 5.9 (4.1–7.7) | |
| All three products | 46 | 32 | 13 | 6 | 20 | 19 |
| 1.4 (0.9–1.8) | 2.0 (1.3–2.7) | 0.8 (0.3–1.3) | 0.5 (0.1–0.9) | 1.7 (0.9–2.5) | 2.3 (1.2–3.4) | |