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Table 3 Participant characteristics by parity compared to state and national birthing populations

From: Prevalence of childbirth fear in an Australian sample of pregnant women

Characteristics Nulliparous women Multiparous women Total sample State birthing population National birthing population
n = 609 n = 801 n = 1,410 n = 61,020 n = 294,814
  n (%) n (%) n (%) n (%) n (%)
Age yrs Mean (SD, range) 28.8 yrs (5.2, 17 to 42) 30.1 yrs (5.2, 18 to 51) 28.8 yrs (5.5, 17 to 51) 29.2 yrs (ns, <20 to >40)a 30 yrs (ns,<15 to 60)a
Missing - 1 ( 0.1) 1 (0.1) - 74 (0.0)a
Marital status      
Single/divorced/separated 38 ( 6.2) 59 ( 7.4) 97 (6.8) 7,334 (11.9)b -
Married/defacto/relationship 566 (93.0) 741 (92.5) 1307 (92.8) 52,834 (86.5)b 64% (All)c
Missing/Other 5 (0.8) 1 (0.1) 6 (0.4) 937 (1.5)b  
Education 606 (99.5) 800 (99.9) 1406 (99.7) - -
≤Year 12 307 (50.4) 395 (49.3) 702 (49.8) - -
Post Year 12 299 (49.1) 405 (50.6) 704 (49.9) - -
Missing 3 (0.5) 1 (0.1) 4 (0.3)   
Employment 605 (99.3) 798 (99.6) 1403 (99.5)   
Full time/part-time 519 (85.2) 498 (62.2) 1017 (72.1) 1,474,107 (74)c 7,203,234 (73)c
No paid work 86 (14.1) 300 (37.4) 386 (27.4) 507,319 (26)c 2,652,926 (27)c
Missing 4 (0.7) 3 (0.4) 7 (0.5)   
Income 570 (93.6) 769 (96.0) 1339 (95.0)   
<$52,000 170 (28.0) 239 (29.8) 409 (29.0) 569,175 (41)c 2,844,563 (41)c
≥$52,000 400 (65.6) 530 (66.2) 930 (66.0) 1,390,246 (59)c 6,935,474 (59)c
Missing 39 (6.4) 32 (4.0) 71 (5.0)   
Country of birth      
Australia 455 (74.7) 591 (73.8) 1046 (74.2) 47,190 (77.3)a 210,382 (71.4)a
Other 132 (21.7) 193 (24.1) 325 (23.0) 13,792 (22.6)a 82,740 (28.0)a
Missing 22 (3.6 ) 17 (2.1) 39 (2.8) 38 (0.1)a 1,692 (0.6)a
Aboriginal Torres Straits Islander 12 ( 2.0) 15 (1.9) 27 (1.9) 3,504 (5.7)a 11,494 (3.9)a
Missing - 2 (0.2) 2 (0.1) - 792 (0.3)a
BMI Mean (SD, range)a = Mean (n,%) 26.2 (5.9, 15.8 to 59.2) 27.0 (6.4, 13.4 to 78.4) 26.7 (6.2, 13.4 to 78.4) 25.9 (59,522, 97.5)a 26.0 (79,432, 82.4)a
<18.5 n (%) 10 (1.6) 11 (1.4) 29 (2.0) 2,625 (4.4)a 3,273 (4.1)a
18.5 – 24.9 n (%) 296 (48.6) 327 (40.8) 615 (43.6) 27,262 (45.8)a 36,488 (45.9)a
25.0 - 29.9 n (%) 154 (25.3) 221 (27.6) 375 (26.6) 16,419 (27.6)a 21,851 (27.5)a
>30 n (%) 110 (18.1) 190 (23.7) 300 (21.3) 13,216 (22.2)a 17,820 (22.4)a
Missing n (%) 39 (6.4) 52 (6.5) 91 (6.5) 1,498 (2.5)a 16,930 (17.6)a
Obstetric factors      
Nulliparous 609 (100) - 609 (43.2) 24,876 (40.8)a 93,482 (42.1)a
Multiparous - 801 (100) 801 (56.8) 36,144 (59.2)a 128,608 (57.9)a
Characteristics of last birth      
Non operative vaginal - - 522 (65.2) 35,071 (57.5)a 166,208 (56.4)a
Operative vaginal - - 78 (9.7) 5,892 ( 9.7)a 35,405 (12.0)a
Caesarean section - - 194 (24.2) 20,057 (32.9)a 93,157 (31.6)a
Labour/CS - - 131 (16.4) 7,450 (12.2)a 38,274 (13.0)a
No labour/CS - - 63 (7.9) 12,607 (20.7)a 54,876 (18.6)a
Missing - - 7 (0.9) - 51 (0.0)a
Last Birth Pre-term - - 57 (7.1) 4,754 (7.8)a 22,004 (7.5)a
Last Birth Term - - 737 (92.1) 56,260 (92.2)a 272,760 (92.5)a
Missing - - 6 (0.8) 6 (0.0)a 50 (0.0)a
Live born - - 784 (97.9) 61,612 (98.9)a 297,357 (99.3)a
Stillborn - - 7 (0.87) 413 ( 0.7)a 2,206 (0.7)a
Neonatal death - - 3 (0.4) 235 (0.4)a 641 (0.2)a
  1. a[45]; b[46]; c[47]. State and National Employment figures pertain to all Australian women aged 16 to 49 [48].