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Table 1 Descriptive statistics

From: The association between pelvic girdle pain and sick leave during pregnancy; a retrospective study of a Norwegian population

  Sick leave for PGP No sick leave Sick leave for other reason p**** Total
N (%) 193 (34 %) 139 (24 %) 236 (42 %)   568 (100 %)
Age 29.7 (4.3) 30.5 (4.8) 29.8 (5.0) =.254 30.0 (4.7)
Education 14.5 (2.4) 15.7 (2.4)* 15.4 (2.6)* <.001 15.1 (2.6)
BMI before pregnancy 24.8 (4.6) 23.1 (3.6)* 23.4 (4.2)* <.001 23.8 (4.3)
Total sick leave weeks 10.8 (9.4) 0.0 (0.0)* 8.4 (8.9)* <.001 7.2 (9.0)
Workload 3.0 (1.1) 2.4 (1.1)* 2.6 (1.2)* <.001 2.6 (1.1)
Work satisfaction 4.4 (0.8) 4.6 (0.7)* 4.3 (0.9) <.001 4.4 (0.8)
Average PGP 26.8 (15.1) 6.7 (10.4)* 6.1 (10.0)* <.001 13.3 (15.5)
Average LBP 13.2 (16.9) 4.7 (9.1)* 6.6 (11.4)* <.001 8.4 (13.4)
Pain-related ADL (ODI) 1.9 (0.8) 0.9 (0.9)* 1.0 (0.8)* <.001 1.4 (0.9)
Depressed 1.4 (0.5) 1.3 (0.5) 1.4 (0.6) =.055 1.4 (0.5)
Mean no. of previous births 1.00 (0.06) 0.94 (0.09) 0.79 (0.05)*** <.05 0.90 (1.00)
Regular exercise before pregnancy 63 (33 %) 67 (49 %)** 94 (40 %) =.013 224 (39 %)
Seated work 51 (27 %) 68 (49 %)* 81 (34 %) <.001 200 (35 %)
  1. PGP Pelvic girdle pain, LBP Low back pain. Pairwise comparison with sick-leave for PGP: *p < .001, **p < .01, ***p < .05
  2. ****Kruskal-Wallis omnibus test. Bonferroni-corrected alpha = 0.0038