Table 3 Age differences in prevalence of tobacco use among adolescents (10–19 years) in urban and rural secondary schools in Enugu State
Variable | Prevalence (95% CI) | F | P value | ||
|---|---|---|---|---|---|
10–12 years (n = 430) | 13–15 years (n = 2992) | 16–19 years (n = 910) |  |  | |
Ever use of tobacco | |||||
 Cigarettes | 24.6 (18.7–31.6) | 28.1 (24.6–32.0) | 33.5 (29.0–38.3) | 3.67 | 0.0294 |
 Other smoked tobacco | 12.4 (8.8–17.3) | 10.8 (9.0–13.0) | 14.5 (11.9–17.5) | 3.31 | 0.0420 |
 Smokeless tobacco | 23.4 (18.7–29.1) | 25.7 (22.7–29.1) | 31.8 (28.4–35.4) | 5.66 | 0.0048 |
Current use of tobacco | |||||
 Cigarettes | 12.5 (8.6–17.9) | 12.6 (10.4–15.2) | 16.0 (13.1–19.3) | 2.53 | 0.0866 |
 Other smoked tobacco | 6.9 (4.4–10.8) | 5.2 (4.0–6.8) | 7.0 (5.1–9.6) | 1.83 | 0.1685 |
 Smokeless tobacco | 6.1 (3.9–9.3) | 7.5 (5.9–9.6) | 9.5 (7.4–12.1) | 2.22 | 0.1152 |
 Any kind of tobacco | 17.9 (13.4–23.5) | 18.6 (15.6–22.0) | 22.5 (19.1–26.2) | 2.73 | 0.0707 |
 Both cigarettes and other smoked tobacco | 4.2 (2.3–7.3) | 2.9 (2.1–4.2) | 4.7 (3.2–7.0) | 2.80 | 0.0740 |
 Both cigarettes and smokeless tobacco | 3.5 (2.0–6.2) | 3.5 (2.4–4.9) | 4.8 (3.2–7.0) | 1.14 | 0.3230 |
 Both smokeless and other smoked tobacco | 1.9 (0.8–4.1) | 2.0 (1.3–3.1) | 3.1 (1.9–4.9) | 1.37 | 0.2584 |
 All 3 types of tobacco | 1.9 (0.8–4.1) | 1.6 (1.0–2.7) | 2.4 (1.4–4.2) | 0.89 | 0.4044 |