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Table 1 Maternal characteristics for symptom-free (SF) women, women with nausea alone (NP), and women with nausea and vomiting (NVP) according to the presence of pelvic girdle paina (PGP) during pregnancy, n = 52,678

From: Nausea and vomiting in pregnancy – association with pelvic girdle pain during pregnancy and 4-6 months post-partum

  SF NP NVP
no PGP (n = 13,045) PGP (n = 1456) P value no PGP (n = 16,908) PGP (n = 3690) P value no PGP (n = 13,953) PGP (n = 3626) P value
  n Mean (SD) Mean (SD)   Mean (SD) Mean (SD)   Mean (SD) Mean (SD)  
Maternal age at delivery (years) 52,678 30.3 (4.6) 30.0 (4.7) 0.06 30.8 (4.5) 30.7 (4.4) 0.06 29.1 (4.7) 29.2 (4.7) 0.60
Maternal weight at delivery (kg) 52,678 67.2 (12.1) 69.9 (13.6) < 0.001 67.3 (11.9) 69.8 (13.4) < 0.001 67.8 (13.3) 71.3 (15.1) < 0.001
Body mass index at pregnancy start (kg/m2) 52,678 23.7 (4.0) 24.8 (4.6) < 0.001 23.7 (3.9) 24.7 (4.5) < 0.001 24.1 (4.4) 25.4 (5.1) < 0.001
Age at menarche (years) 52,025 13.1 (1.4) 12.9 (1.3) < 0.001 13.1 (1.4) 12.9 (1.4) < 0.001 13.0 (1.4) 12.8 (1.4) < 0.001
Years from menarche to pregnancy (years) 26 901b 16.0 (4.5) 15.5 (4.4) 0.008 16.2 (4.4) 15.7 (4.5) 0.001 14.6 (4.4) 14.2 (4.5) < 0.03
  n n (%) n (%)   n (%) n (%)   n (%) n (%)  
Parity 52,678          
 Primiparous 27,758 8329 (63.8) 696 (47.8) < 0.001 8203 (48.5) 1263 (34.2) < 0.001 7741 (55.5) 1526 (42.1) < 0.001
Maternal education (years) 52,678          
  ≤ 12 16,045 3790 (29.1) 547 (37.6) < 0.001 4375 (25.9) 1266 (34.3) < 0.001 4597 (32.9) 1470 (40.5) < 0.001
Smoking during pregnancy 52,320          
 Daily 2685 823 (6.4) 157 (10.9) < 0.001 633 (3.8) 191 (5.2) < 0.001 636 (4.6) 245 (6.8) < 0.001
Incidences of irritability before menses 47,565          
 Yes 29,497 6479 (52.4) 775 (58.2) < 0.001 9984 (63.4) 2350 (70.5) < 0.001 7817 (61.8) 2092 (66.9) < 0.001
Previous experience of NVP 21 639c          
 Yes 7792 347 (8.5) 85 (14.7) < 0.001 1682 (22.5) 629 (32.4) < 0.001 3731 (65.4) 1318 (70.1) < 0.001
  1. aThese include PGP and sPGP during pregnancy, as well as PGP and sPGP 4-6 months post-partum
  2. bPrimiparous women
  3. cMultiparous women