Table 2.
Logistic regression model of participant retention (1 = retained, 0 = not retained)
| Predictor | Univariate analyses | Final multivariate models | ||
|---|---|---|---|---|
| OR (CI) | p | OR (CI) | p | |
| Recruitment Type | 5.46 (2.43–12.5) | 0.00 | 5.36 (2.31–12.45) | >0.001 |
| Know SHS harms child health | 1.52 (1.05–2.22) | 0.03 | 1.58 (1.07–2.34) | 0.02 |
| Mothers’ Age (median split) | 1.32 (0.67–2.60) | 0.42 | 1.59 (0.76–3.35) | 0.22 |
| Income over $15,000 | 1.01 (0.47–2.14) | 0.98 | 0.97 (0.43–2.17) | 0.94 |
| Male Children | 1.32 (0.98–1.79) | 0.07 | xa | |
| Times received SHSe advice | 1.14 (0.95–1.37) | 0.17 | x | |
| Recruitment Season | 1.27 (0.95–1.67) | 0.11 | x | |
| Total number of Children in home | 1.16 (0.94–1.45) | 0.16 | x | |
| Baby older than 2 years old | 1.85 (0.70–4.00) | 0.11 | x | |
| Baby saw doctor due to sickness | 0.50 (0.23–1.12) | 0.09 | x | |
| SHSe (cigs/day) from mom in home | 1.11 (0.98–1.24) | 0.09 | x | |
| SHSe (cigs/day) fm visitors in home | 1.30 (0.89–1.88) | 0.17 | x | |
| SHSe (cigs/day) from all sources | 1.06 (0.99–1.14) | 0.07 | x | |
Recruitment type coded: 1 proactive + reactive, 0 Reactive
a“x” represents variables not retained in final model