Table 1.
Selected demographic characteristics of the Cambodian nonsmoker teenagers
| Total (%) (95% CI) (n) | Males (%) (95% CI) (n) | Females (%) (95% CI) (n) | |
|---|---|---|---|
| All | 100 (1851) | 61.9 (59.7, 64.1) (997) | 38.1 (35.9, 40.3) (854) |
| Age (years) | |||
| ≤12 | 10.8 (9.4, 12.3) (204) | 12.2 (10.3, 14.3) (128) | 8.4 (6.7, 10.5) (76) |
| 13 | 7.6 (6.5, 8.9) (163) | 6.0 (4.7, 7.5) (69) | 10.3 (8.4, 12.5) (94) |
| 14 | 9.5 (8.3, 10.8) (212) | 7.4 (6.1, 9.1) (89) | 12.8 (10.8, 15.1) (123) |
| 15 | 17.7 (16.0, 19.5) (346) | 15.6 (13.5, 18.0) (166) | 21.1 (18.3, 24.1) (180) |
| ≥16 | 54.5 (52.3, 56.6) (926) | 58.8 (55.8, 61.8) (545) | 47.5 (44.1, 50.1) (381) |
| One or both parents smoking | 48.5 (46.2, 50.9) (1830) | 50.6 (47.4, 53.8) (986) | 45.1 (41.7, 48.6) (844) |
| Friends smoking | 27.8 (25.6, 30.0) (1841) | 37.3 (34.3, 40.4) (992) | 12.2 (10.0, 14.8) (848) |
| ETS exposure | 49.1 (46.7, 51.4) (1885) | 60.0 (57.7, 62.3) (1872) | 67.1 (64.9, 69.3) |