Characteristic | Total n = 1568 | OMCa group n = 1117 | MCDb group n = 279 | CMCc group n = 172 | P |
---|---|---|---|---|---|
Maternal age [M(SD)] d | 28.52 (3.59) | 28.47 (3.74) | 28.12 (3.33) | 29.53 (2.77) | < 0.001*** |
Ethnicity n(%)e | |||||
Han | 1503 (95.9) | 1069 (95.7) | 266 (95.3) | 168 (97.7) | 0.431 |
Non-Han | 65 (4.1) | 48 (4.3) | 13 (4.7) | 4 (2.3) | |
Education n(%)e | |||||
College or university | 1173 (74.8) | 832 (74.5) | 176 (63.1) | 16,595.9 | < 0.001*** |
Middle school | 303 (19.4) | 224 (20.1) | 73 (26.2) | 6 (3.9) | |
Primary school or below | 92 (5.8) | 61 (5.5) | 30 (10.8) | 1 (0.2) | |
Vacation n(%)e | |||||
Company employee | 338 (21.6) | 233 (20.9) | 82 (29.4) | 23 (13.4) | < 0.001*** |
Private owner | 108 (6.9) | 87 (7.8) | 12 (4.3) | 9 (5.2) | |
Technician and liberal profession | 642 (40.9) | 449 (40.2) | 96 (34.4) | 97 (56.4) | |
Unemployed | 291 (18.6) | 210 (18.8) | 61 (21.9) | 20 (11.6) | |
Others | 189 (12.1) | 138 (12.4) | 28 (10.0) | 23 (13.4) | |
Multiple Gestation n(%)e | |||||
No | 1171 (74.7) | 855 (76.5) | 194 (69.5) | 122 (72.6) | 0.055 |
Yes | 397 (25.3) | 266 (23.5) | 85 (30.5) | 46 (27.4) | |
Method of payment n(%)e | |||||
Self-payment | 512 (32.7) | 368 (32.9) | 120 (43.0) | 24 (14.0) | 0.001** |
Government insurance | 707 (45.1) | 501 (44.9) | 105 (37.6) | 101 (58.7) | |
Private insurance | 349 (22.3) | 248 (22.2) | 54 (19.4) | 47 (27.3) |