Table 3.
Cox regression analysis for the full and selected prediction models for opioid use disorder among youth in the derivation site
| Full model | Selected model | ||
|---|---|---|---|
| Characteristic | Hazard Ratio (95% CI) | B a coefficient | Hazard Ratio (95% CI) |
| Male gender vs female | 1.28 (0.87, 1.88) | ||
| Smoking | |||
| Current/former vs nonsmoker | 4.61 (2.21, 9.61) | 1.53321 | 4.63 (2.23, 9.62) |
| Unknown vs nonsmoker | 1.95 (1.21, 3.16) | 0.68374 | 1.98 (1.23, 3.20) |
| Substance use or SUD | 5.44 (3.00, 9.85) | 1.75541 | 5.79 (3.22, 10.39) |
| Mental health diagnosis | 4.03 (2.66, 6.10) | 1.41108 | 4.10 (2.72, 6.18) |
| Chronic pain diagnosis | 1.06 (0.67, 1.66) | ||
| Opioid dispensing in prior year | 1.12 (0.59, 2.14) | ||
| Teen Pregnancy or STD | 0.86 (0.35, 2.14) | ||
| Car accident or unintentional injury | 1.43 (0.81, 2.53) | ||
a
S0(3.5)=0.998703 (3.5 year baseline survival)