| Model 1†| Model 2‡ | ||
---|---|---|---|---|
 | aOR (95%CI) | P | aOR (95%CI) | P |
Age, mean | 1.00 (0.96, 1.04) | 0.98 | 1.00 (0.97, 1.03) | 0.89 |
Gender | ||||
 Male | 1.00 (Ref) |  | 1.00 (Ref) |  |
 Female | 1.10 (0.84, 1.44) | 0.43 | 1.14 (0.80, 1.62) | 0.43 |
Ethnic group | ||||
 Minorities | 1.00 (Ref) |  | 1.00 (Ref) |  |
 Han Chinese | 0.16 (0.10, 0.25) | < 0.001 | 0.57 (0.40, 0.81) | 0.01 |
Education level | ||||
 Below undergraduate | 1.00 (Ref) |  | 1.00 (Ref) |  |
 Undergraduate or above | 1.52 (1.01, 2.29) | 0.05 | 2.23 (1.55, 3.19) | 0.001 |
Working experiences | ||||
  ≥ 10 years | 1.00 (Ref) |  | 1.00 (Ref) |  |
 0–9 years | 1.67 (0.87, 3.20) | 0.11 | 1.75 (1.09, 2.81) | 0.03 |
Number of daily patients seen | ||||
  ≤ 19 | 1.00 (Ref) |  | 1.00 (Ref) |  |
  ≥ 20 | 4.23 (2.19, 8.16) | 0.001 | 2.33 (1.23, 4.41) | 0.02 |
Venue of follow-up delivery | ||||
 Mixed clinic and home visits | 1.00 (Ref) |  | 1.00 (Ref) |  |
 Clinic consultation rooms only | 4.13 (1.99, 8.58) | 0.002 | 3.20 (1.59, 6.44) | 0.01 |