Table 4. Univariate and multivariate analyses of outcomes.
| Outcomes | |||||||||||
| Quality of Life, Burn Specific HealthScale – Brief (BSHS-B) | Depressive Symptoms, Beck Depression Inventory (BDI) | Post-Traumatic Stress Symptoms, Impact of Event Scale-Revised (IES-R) | Employment, Time off work | ||||||||
| Variable | Coefficient (95% CI) | p-value | Coefficient (95% CI) | p-value | Coefficient (95% CI) | p-value | Odds Ratio (95% CI) | p-value | |||
| Univariate analysis | |||||||||||
| Burn Injury | −4.50 (−6.45, −2.55) | <0.001 | 5.63 (1.31, 9.95) | 0.01 | 6.61 (−1.90, 15.12) | 0.13 | 7.67 (2.73, 21.56) | <0.001 | |||
| Constant | 33.66 (32.26, 35.07) | <0.001 | 8.52 (5.56, 11.48) | <0.001 | 25.24 (19.40, 31.08) | <0.001 | – | – | |||
| Multivariate analysis | |||||||||||
| Burn Injury | −1.17 (−4.79, 2.44) | 0.51 | −0.28 (−5.53, 4.96) | 0.91 | 1.58 (−10.78, 13.94) | 0.79 | 4.04 (1.11, 14.63) | 0.03 | |||
| Gender | −1.02 (−4.43, 2.40) | 0.54 | 2.43 (−2.41, 7.27) | 0.31 | −4.97 (−16.46, 6.51) | 0.38 | 0.83 (0.25, 2.77) | 0.76 | |||
| Age | 0.01 (−0.23, 0.24) | 0.94 | −0.04 (−0.38, 0.30) | 0.80 | 0.22 (−0.57, 1.01) | 0.57 | 1.08 (0.98, 1.20) | 0.12 | |||
| Race | −8.29 (−18.45, 1.87) | 0.10 | −9.65 (−24.58, 5.27) | 0.19 | −2.63 (−39.17, 33.91) | 0.88 | 0.44 (0.02, 12.71) | 0.63 | |||
| Marriage | 2.45 (−1.17, 6.06) | 0.18 | 3.59 (−1.60, 8.79) | 0.17 | −1.52 (−14.30, 11.25) | 0.81 | 0.61 (0.18, 1.99) | 0.41 | |||
| Pre-fire employment | −0.68 (−5.13, 3.78) | 0.76 | −0.46 (−6.88, 5.96) | 0.88 | 4.21 (−10.83, 19.25) | 0.57 | 0.86 (0.19, 3.82) | 0.84 | |||
| Number of children | −0.19 (−1.72, 1.33) | 0.80 | −1.53 (−3.63, 0.57) | 0.14 | 3.91 (−1.00, 8.82) | 0.11 | 0.79 (0.46, 1.34) | 0.38 | |||
| Time off work | −2.34 (−5.98, 1.29) | 0.20 | −1.51 (−6.91, 3.88) | 0.57 | −1.85 (−14.64, 10.95) | 0.77 | – | – | |||
| Post-fire employment | −0.85 (−4.08, 2.39) | 0.59 | −0.81 (−5.48, 3.86) | 0.72 | 2.14 (−8.88, 13.16) | 0.69 | – | – | |||
| BDI | −0.39 (−0.64, −0.14) | 0.004 | – | – | 1.74 (1.05, 2.43) | <0.001 | 1.02 (0.92, 1.14) | 0.66 | |||
| IES-R | 0.03 (−0.09, 0.16) | 0.58 | 0.31 (0.19, 0.44) | <0.001 | – | – | 0.96 (0.92, 1.01) | 0.14 | |||
| BSHS-B | – | – | −0.80 (−1.32, −0.29) | 0.004 | 0.40 (−1.06, 1.85) | 0.58 | 0.87 (0.73, 1.03) | 0.11 | |||
| Constant | 44.78 (32.01, 57.55) | <0.001 | 39.89 (11.37, 68.42) | 0.008 | −15.60 (−93.92, 62.72) | 0.68 | – | – | |||
a
In the univariate analysis an empty cell occurs because the logistic regression analysis for the binary outcome employment does not produce a constant. In the multivariate analysis empty cells occur where the outcome and variable are the same.