TABLE IV.
Multinomial Logistic Regression Showing the Relationship Between Baseline Predictors and Group Membership in Pain Trajectories*
| “Moderate Pain with Incomplete Resolution” Vs. “Mild Pain with Good Resolution” | “Moderate Pain with Good Resolution” Vs. “Mild Pain with Good Resolution” | |||||
| Predictor | Beta (SE) | Wald | Odds Ratio (95% CI) | Beta (SE) | Wald | Odds Ratio (95% CI) |
| Child age | −0.18 (1.54) | 1.33 | 1.20 (0.88-1.62) | 0.11 (0.11) | 0.92 | 1.11 (0.90-1.38) |
| Child sex | −0.95 (0.87) | 1.21 | 0.39 (0.07-2.11) | −1.1 (0.54)† | 4.14 | 0.33 (0.12-0.96) |
| Child PCS | −0.006 (0.03) | 0.04 | 1.00 (0.93-1.06) | 0.02 (0.02) | 0.98 | 1.02 (0.98-1.07) |
| Child state anxiety | 0.04 (0.05) | 0.61 | 1.04 (0.95-1.13) | −0.05 (0.03) | 2.11 | 0.95 (0.89-1.02) |
| Child trait anxiety | 0.12 (0.05)† | 5.34 | 1.12 (1.02-1.24) | 0.06 (0.03) | 2.78 | 1.06 (1.00-1.13) |
| Parent PCS | −0.06 (0.03) | 3.46 | 0.94 (0.88-1.00) | −0.04 (0.02) | 2.98 | 0.96 (0.92-1.00) |
*
SE = standard error of beta, and CI = confidence interval. Child sex was coded as 1 for female and 0 for male. R2 = 0.15 (Cox and Snell), 0.18 (Nagelkerke). Model χ2(12) = 26.00; p < 0.05.
†
P < 0.05.