Table 1 The basic characteristics of women by hospital type in Shanghai.
From: Dissecting the current caesarean section rate in Shanghai, China
Characteristics | Tertiary maternity hospitals (n = 2013) | Secondary maternity hospitals (n = 3487) | Tertiary general hospitals (n = 1741) | Secondary general hospital (n = 3510) | Total (n = 10751) |
|---|---|---|---|---|---|
Number of hospitals per type | 3 | 6 | 4 | 7 | 20 |
Age of delivery (year, mean ± SD) | 30.9 ± 3.8 | 29.5 ± 4.0 | 29.7 ± 4.5 | 28.4 ± 4.7 | 29.4 ± 4.3 |
Age group (%) | |||||
<20 | 0.1 | 0.3 | 1.2 | 1.6 | 0.8 |
20- | 2.4 | 8.5 | 9.1 | 17. 7 | 10.4 |
25- | 38.5 | 45.5 | 43.4 | 45.3 | 43.8 |
30- | 41.9 | 34.2 | 32.3 | 24.6 | 32.2 |
35- | 17.1 | 11.4 | 14.1 | 10.7 | 12.7 |
Missing | 0 | 0.1 | 0 | 0.1 | 0.1 |
Education (%) | |||||
Less than high school | 3.6 | 11.6 | 3.9 | 34.9 | 14.5 |
High school | 7.0 | 18.3 | 7.5 | 24.6 | 14.6 |
College or University | 72.6 | 65.6 | 76.5 | 38.8 | 61.7 |
Postgraduate | 16.9 | 4.5 | 12.2 | 1.7 | 9.1 |
Occupation | |||||
Physical worker | 0.1 | 0.6 | 10.7 | 8.1 | 4.0 |
Officer worker | 76.3 | 65.1 | 60.1 | 40.4 | 60.2 |
Researcher, teacher, doctor, et al. | 8.4 | 9.1 | 18.0 | 8.2 | 10.0 |
Unemployed (including students) | 15.2 | 25.2 | 11.1 | 43.3 | 25.8 |
Medical insurance (%) | 64.5 | 64.1 | 58.9 | 36.3 | 54.2 |
Nulliparity | 78.2 | 66.9 | 67.2 | 53.2 | 64.6 |
Previous C-section | 9.8 | 12.4 | 13.2 | 18.1 | 13.9 |
Multiple pregnancy | 3.6 | 1.1 | 2.1 | 1.0 | 1.7 |
Presentation | |||||
Cephalic | 95.1 | 95.4 | 95.4 | 96.1 | 95.6 |
Breech | 4.8 | 4.3 | 4.2 | 3.7 | 4.2 |
Other/transverse lie | 0.2 | 0.3 | 0.4 | 0.2 | 0.2 |
*BMI (kg/m2, mean ± SD) | 21.1 ± 3.1 | 21.4 ± 3.2 | 21.7 ± 3.3 | 22.1 ± 3.4 | 21.6 ± 3.3 |
Underweight (<18.5 kg/m2, %) | 17.8 | 16.4 | 14.4 | 12.3 | 15.0 |
Normal weight (18.5–22.9 kg/m2, %) | 55.6 | 53.3 | 50.8 | 47.0 | 51.4 |
Overweight (23–24.9 kg/m2, %) | 14.9 | 15.6 | 17.2 | 19.2 | 16.9 |
Obese (0 ≥ 25 kg/m2, %) | 11.8 | 14.7 | 17.6 | 21.6 | 16.8 |
Disease history (yes%) | |||||
Hypertension (%) | 1.4 | 0.1 | 0.8 | 0.4 | 0.6 |
Diabetes (%) | 0.3 | 0.1 | 0.3 | 0.1 | 0.2 |
Heart disease (%) | 2.7 | 0.6 | 1.0 | 0.5 | 1.0 |
Kidney disease (%) | 0.2 | 0.2 | 0.7 | 0.1 | 0.2 |
