Fully adjusted associations with smoking among early teens
| Ever smoking, n=11 557 | Current smoking, n=11 557 | Continuing current smoking, n=1598 | ||||
| % | AOR (CI) | % | AOR (CI) | % | AOR (CI) | |
| Age (years) | ||||||
| 13 | 10.5 | ref | 1.1 | Ref | 10.4 | ref |
| 14/15 | 14.9 | 1.31 (1.07 to 1.60) | 2.2 | 1.46 (0.83 to 2.56) | 14.6 | 1.40 (0.78 to 2.51) |
| Gender | ||||||
| Female | 14.9 | ref | 2.4 | Ref | 16.2 | ref |
| Male | 12.7 | 0.81 (0.67 to 0.97) | 1.4 | 0.62 (0.40 to 0.95) | 11.0 | 0.75 (0.49 to 1.15) |
| Country | ||||||
| England | 13.6 | ref | 2.0 | Ref | 14.4 | ref |
| Wales | 15.8 | 0.97 (0.76 to 1.24) | 2.1 | 0.67 (0.40 to 1.14) | 13.4 | 0.64 (0.37 to 1.10) |
| Scotland | 14.9 | 1.55 (1.04 to 2.30) | 2.2 | 2.45 (0.83 to 7.22) | 15.0 | 1.59 (0.55 to 4.64) |
| Northern Ireland | 11.5 | 1.00 (0.77 to 1.29) | 0.9 | 0.41 (0.16 to 1.02) | 8.2 | 0.39 (0.15 to 1.04) |
| Family income group | ||||||
| 1 (highest) | 8.5 | ref | 0.3 | Ref | 3.4 | ref |
| 2 | 11.0 | 1.35 (1.06 to 1.72) | 1.4 | 5.63 (2.28 to 13.95) | 12.8 | 4.94 (1.99 to 12.30) |
| 3 | 13.4 | 1.85 (1.42 to 2.42) | 1.6 | 6.29 (2.66 to 14.87) | 12.2 | 4.14 (1.75 to 9.83) |
| 4 | 20.7 | 2.56 (1.87 to 3.53) | 3.8 | 16.03 (5.90 to 43.57) | 18.1 | 10.06 (3.92 to 25.83) |
| 5 (lowest) | 20.0 | 2.74 (2.00 to 3.75) | 3.6 | 13.58 (5.51 to 33.47) | 18.3 | 8.07 (3.24 to 20.12) |
| Ethnic group | ||||||
| White | 15.0 | Ref | 2.1 | Ref | 14.2 | ref |
| Mixed | 13.1 | 0.45 (0.23 to 0.89) | 4.0 | 0.79 (0.29 to 2.11) | 30.8 | 1.25 (0.28 to 5.47) |
| Indian | 4.3 | 0.39 (0.20 to 0.75) | 0.7 | 0.46 (0.10 to 2.05) | 15.4 | 1.16 (0.22 to 6.18) |
| Pakistani and Bangladeshi | 8.6 | 0.53 (0.33 to 0.85) | 0.5 | 0.27 (0.09 to 0.84) | 5.7 | 0.33 (0.09 to 1.20) |
| Black | 7.9 | 0.56 (0.31 to 1.00) | 0.5 | 0.21 (0.05 to 0.94) | 6.5 | 0.28 (0.07 to 1.10) |
| Other ethnic group | 6.7 | 0.95 (0.43 to 2.10) | 0.5 | 0.86 (0.10 to 7.20) | 7.1 | 0.67 (0.07 to 6.82) |
| Caregiver current smoking | ||||||
| No | 10.9 | ref | 1.2 | Ref | 10.8 | ref |
| Yes | 26.0 | 1.69 (1.38 to 2.06) | 4.9 | 1.92 (1.16 to 3.19) | 18.8 | 1.49 (0.92 to 2.41) |
| Peer smoking | ||||||
| No | 4.0 | ref | <0.1 | Ref | 1.1 | ref |
| Some/most/all | 35.1 | 10.35 (8.35 to 12.81) | 6.0 | 115.57 (26.03 to 513.08) | 17.2 | 22.29 (4.91 to 101.21) |
| No answer | 9.3 | 1.96 (1.34 to 2.88) | 7.1 | 14.51 (2.58 to 81.66) | 7.6 | 9.21 (1.64 to 51.78) |
Continuing current smoker refers to those reporting having ever smoked at age 11 who were current smokers.
Bold values represent p≤0.05.
AOR is adjusted for all other covariates in table.
AOR, adjusted OR.