Skip to main content

Table 1 Demographic characteristics of study populations in Taiwan from 2000 to 2013

From: Antepartum urinary tract infection and postpartum depression in Taiwan – a nationwide population-based study

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**
  1. a.p-values are two-sided
  2. b TWD refers to New Taiwan dollars, of which 1 US dollar = 30TWD
  3. **p < 0.001, *p < 0.05