Table III.
Prediction of Prospective Smoking Initiation Among Smoking-Naïve (n = 932)
| Smoking initiation |
|||
|---|---|---|---|
| HR | 95% CI | p | |
| BMI predicting subsequent smoking initiation | |||
| BMI (lagged) | 1.23 | [1.01, 1.49] | .04 |
| Non-White (%) | 0.92 | [0.57, 1.50] | .75 |
| Received lunch subsidy (%) | 1.56 | [1.26, 1.94] | <.001 |
| Age (T1) | 1.36 | [1.11, 1.66] | .003 |
| Gender | 0.79 | [0.54, 1.14] | .20 |
| Mediational model: BMI and SEPA predicting smoking initiation | |||
| BMI (lagged) | 1.17 | [0.96, 1.43] | .12 |
| SEPA (lagged) | 0.75 | [0.59, 0.94] | .014 |
| Non-White (%) | 0.96 | [0.59, 1.55] | .86 |
| Received lunch subsidy (%) | 1.55 | [1.25, 1.92] | <.001 |
| Age (T1) | 1.34 | [1.09, 1.64] | .005 |
| Gender | 0.88 | [0.60, 1.29] | .51 |
Note. BMI = body mass index percentile based on youth of the same age and sex from self-reported height and weight; CI = confidence interval; HR = hazard ratio; SEPA: self-esteem for physical appearance; T = time point in study.