Table 1.
The formatting of Tables 1 and 2 in the pdf copy have gaps in between the unadjusted and partially adjusted rows making it difficult to read. The formatting is fine in the proof copy. Association between unit increase in measured body mass index at age 10 and classes of smoking initiation (odds ratios).
| Class (percentage membership) |
||||||
|---|---|---|---|---|---|---|
| Never (71.0%) | Experimenters (16.6%) | Late Onset (9.1%) | Early Onset (3.3%) | P Valued | ||
| Male (n = 1732) |
Unadjusteda | 1.00 (REF) | 0.96 (0.89, 1.03) | 1.04 (0.99, 1.10) | 1.00 (0.90, 1.10) | 0.23 |
| Partially adjustedb | 1.00 (REF) | 0.95 (0.88, 1.02) | 1.03 (0.97, 1.08) | 0.98 (0.88, 1.08) | 0.30 | |
| Fully adjustedc | 1.00 (REF) | 0.93 (0.84, 1.02) | 0.99 (0.91, 1.06) | 1.04 (0.95, 1.13) | 0.34 | |
| Female (n = 2022) |
Unadjusteda | 1.00 (REF) | 1.04 (0.99, 1.08) | 1.11 (1.05, 1.17) | 1.14 (1.07, 1.21) | <0.001 |
| Partially adjustedb | 1.00 (REF) | 1.04 (0.99, 1.09) | 1.10 (1.04, 1.15) | 1.13 (1.06, 1.20) | <0.001 | |
| Fully adjustedc | 1.00 (REF) | 1.04 (0.99, 1.10) | 1.01 (0.94, 1.09) | 1.11 (1.04, 1.18) | <0.001 | |
a
Adjusted for age of body mass index measurement and sex.
b
Additionally adjusted for parity, mother’s education, maternal smoking, housing tenure, crowding status and total behavioural score on the Strengths and Difficulties questionnaire.
c
Additionally adjusted for body dissatisfaction (sample size reduced to 1549 males and 1825 females).
d
P values on inclusion of covariate to the model from Wald Test of parameter constraints.