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Table 2 Sample characteristics by sector of birth and compared to the total population of birthing women

From: Beyond the hospital door: a retrospective, cohort study of associations between birthing in the public or private sector and women’s postpartum care

  Public facility Private facility Whole sample Population of birthing women Chi-square (df)p1
% (N) % (N) % (N) % (N) [33]  
Parity      
Primiparous 45.2 (1696) 46.2 (1239) 45.6 (2935) 40.8 (24,878) χ2(1) = 62.68
Multiparous 54.8 (2055) 53.8 (1443) 54.4 (3498) 59.2 (36,149) p < .001
Area of residence      
City 58.8 (2204) 71.3 (1911) 64.0 (4115) 59.7(36,452) χ2(3) = 57.03,
Inner Regional 22.2 (833) 15.6 (418) 19.4 (1251) 20.7 (12,661) p < .001
Outer Regional 16.1 (604) 11.5 (308) 14.2 (912) 16.2 (9,980)  
Remote 2.9 (110) 1.7 (45) 2.4 (155) 3.3 (1980)  
Age      
<20 years 3.5 (133) 0.2 (6) 2.2 (139) 5.5 (3,344) χ2(5) = 660.72
20-24 16.6 (622) 4.3 (114) 11.4 (736) 17.4 (10,616) p < .001
25-29 33.0 (1239) 23.8 (638) 29.2 (1877) 28.4 (17,314)  
30-34 28.3 (1060) 42.1 (1129) 34.0 (2189) 28.9 (17,607)  
35-39 15.2 (571) 25.1 (674) 19.4 (1245) 16.5 (10,037)  
>40 3.4 (126) 4.5 (121) 3.8(247) 3.5 (2,109)  
Aboriginal and/or Torres Strait Islander   
No 97.4 (3654) 99.7 (2674) 98.4 (6328) 94.2 (57,511) χ2(1) = 200.78
Yes 2.6 (97) 0.3(8) 1.6 (105) 5.8 (3,511) p < .001
Country of Birth      
Australia 77.3 (2898) 84.9 (2276) 80.4 (5174) 77.3 (47,191) χ 2 (1) = 34.27
Outside Australia 22.7 (853) 15.1 (406) 19.6 (1259) 22.7 (13,798) p < .001
Level of Education     
Year 10 14.2 (531) 3.4 (90) 9.7 (621)   
Year 12 23.2 (869) 13.8 (370) 19.3 (1239)   
Trade/Diploma 33.8 (1269) 23.9 (641) 29.7 (1910)   
University 28.8 (1082) 58.9 (1581) 41.4 (2663)   
  1. 1Difference between sample and population.