Table 1 Demographic characteristics of study populations in Taiwan from 2000 to 2013
Demographic factor | Total pregnant women n (%) | Without PPD n (%) | PPD n (%) | P valuea |
|---|---|---|---|---|
No. of patients | 55,087 | 54,681 | 406 | |
Age (mean ± standard deviation, years) | 30 ± 6.2 | 29.9 ± 6.1 | 31.9 ± 10.4 | 0.003 |
Age_group | < 0.001** | |||
20–24 | 7986(14.5) | 7928(14.5) | 58(14.3) | |
25–29 | 19,548(35.5) | 19,405(35.5) | 143(35.2) | |
30–34 | 19,092(34.7) | 18,968(34.7) | 124(30.5) | |
35–39 | 6724(12.2) | 6679(12.2) | 45(11.1) | |
≧40 | 1737(3.1) | 1701(3.1) | 36(8.9) | |
Hospital stay (mean ± standard deviation) | 4.8 ± 2.2 | 4.8 ± 1.6 | 4.2 ± 3.2 | |
Monthly income (TWD b) | < 0.05* | |||
< 20,000 | 36,586(66.4) | 36,292(66.4) | 294(72.4) | |
20,000–40,000 | 14,340(26.0) | 14,246(26.1) | 94(23.2) | |
40,000–60,000 | 3687(6.7) | 3670(6.6) | 17(4.2) | |
≧60,000 | 474(0.9) | 473(0.9) | 1(0.2) | |
Antepartum urinary tract infection | ||||
Yes | 7325(13.3) | 7255(13.3) | 70(17.2) | < 0.05* |
Upper | 255(0.5) | 249(0.5) | 6(1.5) | < 0.05* |
Lower | 7070(12.9) | 7006(12.9) | 64(16) | < 0.05* |
No | 47,762(86.7) | 47,426(86.7) | 336(82.8) | |
Co-morbidity disease | ||||
Antepartum hemorrhage | 460(0.8) | 456(0.8) | 4(1.0) | 0.739 |
Premature separation of placenta | 320(0.6) | 316(0.6) | 4(1.0) | 0.282 |
Placenta previa | 854(1.6) | 849(1.6) | 5(1.2) | 0.602 |
Eclampsia or pre-eclampsia | 799(1.5) | 792(1.4) | 7(1.7) | 0.643 |
Unstable lie | 47(0.1) | 47(0.1) | 0 | – |
Polyhydramnios | 37(0.1) | 37(0.1) | 0 | – |
Oligohydramnios | 4118(7.5) | 4082(7.5) | 36(8.9) | 0.285 |
Poor fetal growth | 521(0.9) | 518(0.9) | 3(0.7) | 0.666 |
Excessive fetal growth | 532(1.0) | 526(1.0) | 6(1.5) | 0.290 |
Cervical incompetence | 56(0.1) | 56(0.1) | 0 | – |
Premature birth | 3648(6.6) | 3615(6.6) | 33(8.1) | 0.221 |
Chronic pulmonary disease | 1383(2.5) | 1366(2.5) | 17 (4.2) | < 0.05* |
Hypertension | 879(1.6) | 860(1.6) | 19(4.7) | < 0.001** |
Hypertension-complicated pregnancy | 1151(2.1) | 1140(2.1) | 11(2.7) | 0.381 |
Diabetes complicating pregnancy childbirth | 2655(4.8) | 2636(4.8) | 19(4.7) | 0.895 |
Hyperlipidemia | 321(0.6) | 314(0.6) | 7(1.7) | < 0.05* |
Heart disease | 1551(2.8) | 1517(2.8) | 34(8.4) | < 0.001** |
Anemia | 5872(10.7) | 5824(10.7) | 48(11.8) | 0.446 |
Cerebrovascular disease | 250(0.5) | 240(0.4) | 10(2.5) | < 0.001** |
Parkinson disease | 24(0.04) | 20(0.03) | 4(1.0) | < 0.001** |
Epilepsy | 112(0.2) | 108(0.2) | 4(1.0) | < 0.001** |
Tuberculosis | 59(0.1) | 59(0.1) | 0 | – |
Asthma | 892(1.6) | 883(1.6) | 9(2.2) | 0.338 |
Chronic kidney disease | 145(0.3) | 140(0.3) | 5(1.2) | < 0.001** |