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Table 1 Baseline demographics, sick leave, health care use during first 6-weeks post-partum and utility for each group: Supervisor telephone contact (STC) and Common Practice (CP).

From: Cost-utility analysis of a one-time supervisor telephone contact at 6-weeks post-partum to prevent extended sick leave following maternity leave in The Netherlands: results of an economic evaluation alongside a randomized controlled trial

Patients baseline measures STC (N= 265) CP (N= 276)
Mean age in years (S.D.; range) 32 (4.0; 19-45) 32 (4.3; 19-42)
Marital status, N (%) Single/Divorced 6 (2%) 8 (3%)
  Common law/Married 259 (98%) 268 (97%)
Level of education, N (%) Low 25 (9%) 24 (9%)
  Intermediate 87 (33%) 96 (35%)
  High 153 (58%) 156 (57%)
1st pregnancy, N (%) 126 (48%) 133 (48%)
Hours worked per week, N (%) 12-23 64 (24%) 61 (22%)
  24-35 122 (46%) 145 (53%)
  > 36 79 (30%) 70 (25%)
Predominant type of work, N (%) Seated 94 (36%) 77 (28%)
  Standing 58 (22%) 71 (25%)
  Hand 109 (41%) 115 (42%)
  Heavy 4 (2%) 13 (5%)
Pre-partum sick leave hours, mean (S.D.) 1 year before pregnancy 69 (155) * 66 (147) *
  Pregnancy until start of maternity leave 112 (158) * 109 (178) *
Health care use, mean (S.D.) General practitioner 0.3 (0.7) 0.3 (0.6)
  Midwife 0.2 (0.5) 0.3 (0.7)
  Gynaecologist 0.2 (0.5) 0.2 (0.5)
  Post-partum home care 40.0 (19.5) 39.3 (19.2)
  Partner 27.2 (43.3) 28.3 (45.6)
  Family/friends/volunteers 8.1 (21.4) 11.7 (25.4)
Utility, mean (S.D.; range) 0.92 (0.12; 0.31-1.0) 0.91 (0.13; 0.17-1.0 )
  1. * N for pre-partum sick leave based on company data: STC = 263; CP = 274; Units of health care use are reported in the number of consultations. Available data at baseline for STC was N = 259 and CP was N = 271. Units of health care use are reported in the number of hours. Available data at baseline for STC was N = 259 and CP was N = 271. Available data at baseline for STC: N = 257 (97%) and CP: N = 269 (97%).