Table 1.
Model 1* OR (95% CI) | p Value | Model 2* OR (95% CI) | p Value | |
---|---|---|---|---|
Older (≥29 years) (2610) | 1.34 (1.22 to 1.49) | <0.001 | 1.57 (1.41 to 1.74) | <0.001 |
Younger group (≤28 years) (35 698) | 1.00 | 1.00 | ||
Older group (29–31 years) (1414) | 1.27 (1.11 to 1.46) | 0.001 | 1.43 (1.24 to 1.65) | <0.001 |
Oldest group (≥32 years) (1196) | 1.43 (1.24 to 1.65) | <0.001 | 1.74 (1.50 to 2.02) | <0.001 |
p Value for trend | <0.001 | <0.001 | ||
Female gender (21 470) | 0.82 (0.77 to 0.87) | <0.001 | ||
Ethnic minority (11 338) | 1.59 (1.49 to 1.68) | <0.001 | ||
Mature friendly university (35 745) | 1.18 (1.06 to 1.32) | 0.003 | ||
First specialty | ||||
Medicine (10 135) | 1.00 | |||
ACCS and related (5827) | 1.00 (0.92 to 1.08) | 0.93 | ||
Surgery (6077) | 0.84 (0.77 to 0.91) | <0.001 | ||
GP and public health (9094) | 0.26 (0.24 to 0.29) | <0.001 | ||
O and G (1528) | 2.16 (1.91 to 2.43) | <0.001 | ||
Paediatrics (2791) | 0.81 (0.72 to 0.90) | <0.001 | ||
Pathology (564) | 0.84 (0.67 to 1.06) | 0.14 | ||
Psychiatry (966) | 0.51 (0.42 to 0.63) | <0.001 | ||
Radiology (1326) | 0.88 (0.76 to 1.02) | 0.10 |
*Model 1, simple OR; Model 2 for binary age group after adjustment for all covariates as shown in table except for the three level age group variable. This model was then rerun with the three level age group and other covariates to examine for a dose–response effect.
ACCS, acute care common stem; GP, general practitioner; O and G, obstetrics and gynaecology.