Variable | Coef. | SE | Z-stat | P value | (95% CI) |
Intervention | −0.0882 | 0.0433 | −2.04 | 0.042 | −0.1731 to −0.0033 |
After | −0.1676 | 0.0634 | −2.64 | 0.008 | −0.2919 to −0.0433 |
Intervention*after | −0.1352 | 0.0790 | −1.71 | 0.087 | −0.2901 to 0.0197 |
Female | −0.0047 | 0.0387 | −0.12 | 0.902 | −0.0806 to 0.0711 |
Age 16–24 | 0.2696 | 0.1194 | 2.26 | 0.024 | 0.0355 to 0.5037 |
Age 25–34 | 0.1821 | 0.1075 | 1.69 | 0.09 | −0.0286 to 0.3928 |
Age 35–44 | 0.1436 | 0.1113 | 1.29 | 0.197 | −0.0745 to 0.3616 |
Age 45–54 | −0.1244 | 0.1023 | −1.22 | 0.224 | −0.3248 to 0.0761 |
Age 55–64 | −0.1626 | 0.1066 | −1.52 | 0.127 | −0.3716 to 0.0464 |
Age 65–74 | −0.0749 | 0.1082 | −0.69 | 0.489 | −0.2869 to 0.1371 |
Age 75 up | Reference group | ||||
SIMD quintile 1 | −0.1573 | 0.0726 | −2.17 | 0.03 | −0.2996 to −0.0151 |
SIMD quintile 2 | −0.0017 | 0.0723 | −0.02 | 0.981 | −0.1434 to 0.1400 |
SIMD quintile 3 | −0.0221 | 0.0812 | −0.27 | 0.786 | −0.1813 to 0.1372 |
SIMD quintile 4 | 0.0916 | 0.0864 | 1.06 | 0.289 | −0.0778 to 0.2610 |
SIMD quintile 5 | Reference group | ||||
SPARRA score at entry | 0.0254 | 0.0015 | 17.35 | 0 | 0.0226 to 0.0283 |
Intercept | −0.3125 | 0.1685 | −1.85 | 0.064 | −0.6427 to 0.0177 |
Number of obs=2654.
Log likelihood=−6247.4205 Pseudo R2=0.0455.
*The results in tables 3 and 4 allow for multiple admissions per day in order to reflect resources and staff time used with each patient. However, the regression results based on number of admissions capped at one admission per day are both qualitatively and quantitatively similar to tables 3 and 4.
ED, emergency department; SIMD, Scottish Index of Multiple Deprivation; SPARRA, Scottish Patients at Risk of Readmission and Admission.