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Table 1 Descriptive information of the study group

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 Total
  N = 34 N = 115 N = 27 N = 176
BMI at Q3, mean (SD) 26.23 (4.3) 25.40 (4.8) 24.22 (3.7) 25.37 (4.6)
Pre-pregnancy Q1 (SD) 26.30 (4.9) 25.13 (4.7) 24.33 (4.2) 25.24 (4.7)
  < 18.50, n (%) 1 (2.9) 4 (3.5) - 5 (2.9)
 18.50–24.99, n (%) 13 (38.2) 60 (53.1) 16 (59.3) 89 (51.1)
  ≥ 25.00, n (%) 15 (44.1) 33 (29.2) 8 (29.6) 56 (32.2)
  ≥ 30.00, n (%) 5 (14.7) 16 (14.2) 3 (11.1) 24 (13.8)
End-pregnancy Q1 (SD) 32.12 (5.3) 30.38 (4.8) 30.15 (4.5) 30.68 (4.9)
 Underweight, n (%) - - - -
 Normal range, n (%) 3 (8.8) 14 (12.4) 2 (7.4) 19 (10.9)
 Overweight, n (%) 7 (20.6) 41 (36.3) 12 (44.4) 60 (34.5)
 Obesity, n (%) 24 (70.6) 58 (51.3) 13 (48.1) 95 (54.6)
At 6 month post-partum Q2 (SD) 26.57 (4.7) 25.37 (4.49) 24.98 (3.9) 25.54 (4.4)
  < 18.50 (underweight), n (%) 1 (3.0) 3 (2.8) - 4 (2.4)
 18.50–24.99 (normal range), n (%) 11 (33.3) 56 (51.4) 15 (55.6) 82 (48.5)
  ≥ 25.00 (overweight), n (%) 16 (48.5) 35 (32.1) 8 (29.6) 59 (34.9)
  ≥ 30.00 (obesity), n (%) 5 (15.2) 15 (13.8) 4 (14.8) 24 (14.2)
At 14 months post-partum Q3 (SD) 26.23 (4.3) 25.40 (4.8) 24.22 (3.7) 25.37 (4.5)
  < 18.50 (underweight), n (%) 1 (3.1) 2 (1.8) - 3 (1.8)
 18.50–24.99 (normal range), n (%) 10 (31.3) 58 (52.3) 19 (70.4) 87 (51.2)
  ≥ 25.00 (overweight), n (%) 16 (50.0) 34 (30.6) 6 (22.2) 56 (32.9)
  ≥ 30.00 (obesity), n (%) 5 (15.6) 17 (15.3) 2 (7.4) 24 (14.1)
Employment status Q1
 Gainfully employed 24 (70.6) 77 (68.1) 19 (70.4) 120 (69.0)
 Student 4 (11.8) 10 (8.8) 1 (3.7) 15 (8.6)
 Maternity leave 3 (8.8) 11 (9.7) 3 (11.1) 17 (9.8)
 Unemployed 1 (2.9) 3 (2.7) - 4 (2.3)
 On sick-leave 2 (5.9) 12 (10.6) 4 (14.8) 18 (10.3)
Work description Q1
 Mainly sitting 8 (23.5) 16 (14.0) 6 (33.3) 30 (17.2)
 Physical active 18 (52.9) 58 (50.9) 10 (38.5) 89 (49.4)
 Alternate sitting/physically active 8 (23.5) 40 (35.1) 10 (38.5) 58 (33.3)
 Physically challenging 8 (24.2) 38 (33.9) 8 (33.3) 54 (32.0)
 Physically easy 13 (39.4) 33 (29.5) 6 (25.0) 52 (30.8)
 Alternate physically challenging/easy 12 (36.4) 41 (36.6) 10 (41.7) 63 (37.3)
 Mentally challenging 5 (16.7) 35 (32.1) 8 (32.0) 48 (29.3)
 Mentally not challenging 11 (36.7) 17 (15.6) 4 (16.0) 32 (19.5)
 Alternate mentally challenging/not challenging 14 (46.7) 57 (52.3) 13 (52.0) 84 (51.2)
 Intellectually stimulating 14 (42.4) 56 (50.5) 8 (33.3) 78 (46.4)
 Intellectually not stimulating 5 (15.2) 10 (9.0) 4 (16.7) 19 (11.3)
 Alternate intellectually stimulating/not stimulating 14 (42.4) 45 (40.5) 12 (50.0) 71 (42.3)
Hypermobility diagnosis Q1
 Yes 7 (20.6) 23 (20.5) 9 (33.3) 39 (22.5)
 No 27 (79.4) 89 (79.5) 18 (66.7) 134 (77.5)
Number of visits to healthcare providers the past 6 months at Q3, median (IQR)
 Acupuncture - 4 (4–4) 1 (1–1) 2.5 (1–2.5)
 Chiropractic - 5 (2–5) 1 (0–1) 2 (1–6)
 Medical doctor - 1 (1–1.25) 2 (1–2.5) 1 (1–2)
 Naprapathy - 3 (1–3) 5.5 (3–5.5) 3 (2–6.5)
 Physiotherapy - 3 (1–5.25) 7 (1–12) 3 (1–7.5)
 Other (including visits to midwife) - 2 (1–2) 1 (1–1) 1 (1–2.5)
  1. Numbers in parenthesis are percentage unless otherwise specified
  2. a‘No pain’ denotes respondents reporting remission of LBP/PGP at Q3
  3. b‘Recurrent pain’ denotes respondents reporting recurrent LBP/PGP at approximately 14 months post-partum at Q3
  4. c‘Continuous pain’ denotes respondents reporting continuous LBP/PGP at approximately 14 months post-partum at Q3