Table 4.
Logistic regression models of GP participation in out-of-hours provision.
| Variable | Odds ratio | 95% CI |
|---|---|---|
| Male, aged 40–44 | 1.149 | 0.693 to 1.907 |
| Male, aged 45–49 | 1.264 | 0.737 to 2.166 |
| Male, aged 50–54 | 0.950 | 0.541 to 1.668 |
| Male, aged ≥55 | 0.536 | 0.298 to 0.966 |
| Female, aged <40 | 1.486 | 0.795 to 2.776 |
| Female, aged 40–44 | 1.193 | 0.610 to 2.331 |
| Female, aged 45–49 | 1.096 | 0.547 to 2.196 |
| Female, aged 50–54 | 1.127 | 0.548 to 2.318 |
| Female, aged ≥55 | 0.736 | 0.329 to 1.643 |
| GP from minority ethnic group | 1.838 | 1.021 to 3.310 |
| GP has spouse/partner | 1.313 | 0.837 to 2.060 |
| Number of childrena | 1.218 | 1.029 to 1.442 |
| Female GP with child <5 years | 0.958 | 0.551 to 1.666 |
| Female GP with child 5–14 years | 1.128 | 0.685 to 1.856 |
| Female GP with child 15–18 years | 1.149 | 0.562 to 2.347 |
| Male GP with child <5 years | 2.444 | 1.358 to 4.396 |
| Male GP with child 5–14 years | 1.553 | 0.968 to 2.489 |
| Male GP with child 15–18 years | 1.890 | 1.121 to 3.187 |
| Hours worked, excluding on call | 1.012 | 1.000 to 1.025 |
| GP's spouse/partner is GP | 0.519 | 0.366 to 0.736 |
| Spouse/partner's income | 0.989 | 0.983 to 0.994 |
| GP is salaried | 0.977 | 0.613 to 1.555 |
| Practice weighted list size per GP | 0.767 | 0.614 to 0.958 |
| Practice has PMS contract | 0.840 | 0.585 to 1.207 |
| Practice has dispensing status | 1.350 | 0.807 to 2.259 |
| GP holds additional medical post | 1.384 | 1.092 to 1.754 |
| GP has training/teaching responsibilities | 1.364 | 1.085 to 1.713 |
| NHS Lanarkshireb | 1.324 | 0.842 to 2.080 |
| NHS Lothian | 2.516 | 1.539 to 4.113 |
| NHS Borders | 0.508 | 0.218 to 1.182 |
| NHS Forth Valley | 1.062 | 0.565 to 1.997 |
| NHS Argyll and Clyde | 2.422 | 1.428 to 4.108 |
| NHS Fife | 0.997 | 0.607 to 1.638 |
| NHS Dumfries and Galloway | 0.858 | 0.505 to 1.458 |
| NHS Tayside | 1.655 | 1.087 to 2.520 |
| NHS Grampian | 0.282 | 0.154 to 0.516 |
| NHS Ayrshire and Arran | 0.504 | 0.340 to 0.747 |
| NHS Highland | 1.214 | 0.745 to 1.976 |
| Islands primary care organisations | 3.590 | 1.371 to 9.401 |
| Number of observations | 1621 | |
| Log pseudo-likelihood | −949.06 | |
| Pseudo R2 | 0.1332 | |
| Wald-test | χ2(39) = 222.94, P<0.001 | |
a
GPs without children serves as the reference group and are not reported in regression results.
b
Greater Glasgow and Clyde primary care organisation serves as the reference group and is not reported in regression results. PMS = personal medical services.