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Table 2 Sick leave and degree of sick leave due to PLBP/PGP at Q1, Q2 and Q3 with 95 % confidence intervals. Test for difference between respondents and non-respondents (Pearson's Chi test)

From: Sick leave and healthcare utilisation in women reporting pregnancy related low back pain and/or pelvic girdle pain at 14 months postpartum

  No paina Recurrent painb Continuous painc Non-respondents
  Number of subjects 95 % CIe Number of subjects 95 % CIe Number of subjects 95 % CIe Number of subjects p-valued
  34   115   27   24  
Sick leave Q1, N (%)
 Yes 16 (72.7) 1.07–1.47 61 (67.8) 1.22–1.42 22 (84.6) 1.01–1.30 10 (58.8) 0.271
 No 6 (27.3) 29 (32.2) 4 (15.4) 7 (41.2)
Sick leave Q2, N (%)
 Yes 2 (5.9) 1.86–2.02 5 (4.4) 1.92–1.99 6 (22.2) 1.61–1.95 1 (4.2) 0.554
 No 32 (94.1) 108 (94.7) 21 (77.8) 23 (95.8)
Sick leave Q3, N (%)
 Yes - - 6 (5.3) 1.91–1.99 5 (18.5) 1.66–1.97 - -
 No 3 (8.8) 108 (94.7) 22 (81.5) -
Degree of sick leave Q1, N (%)
 Full-time 8 (47.1) 1.29–2.01 50 (73.5) 1.20–1.51 19 (82.6) 1.00–1.61 10 (90.9) 0.276
 Part-time 7 (41.2) 12 (17.6) 1 (4.3) -
 Both full- and part-time sick leave 2 (11.8) 6 (8.8) 3 (13.0) 1 (9.1)
Degree of sick leave Q2, N (%)
 Full-time 2 (100) - 4 (80.0) 0.64–1.76 6 (100) - 1 (100.0) 0.773
 Part-time - 1 (20.0) -  
Degree of sick leave Q3, N (%)
 Full-time - - 4 (66.7) 0.79–1.88 3 (60.0) 0.72–2.08 - -
 Part-time - 2 (33.3) 2 (40.0) -
  1. a‘No pain’ denotes respondents reporting remission of LBP/PGP at Q3
  2. b‘Recurrent pain’ denotes respondents reporting recurrent LBP/PGP at approximately 14 months after pregnancy at Q3
  3. c‘Continuous pain’ denotes respondents reporting continuous LBP/PGP at approximately 14 months after pregnancy at Q3
  4. dRespondents vs.non- respondents at Q3
  5. e95 % confidence interval (CI) regarding sick leave yes/no and degree of sick leave at Q1, Q2 and Q3
  6. Significance test p < 0.05