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Table 1 Baseline characteristics of the study participants (N = 42)

From: Oxytocin levels in low-risk primiparas following breast stimulation for spontaneous onset of labor: a quasi-experimental study

  Intervention Control p-value
(n = 22) (n = 20)
n % n %
Age (years) 28.8 [3.8] 29.3 [3.7] 0.714
Gestational weeks 38.8 [0.4] 38.8 [0.5] 0.955
Living with partner 22 (100) 20 (100) 1.000
Married 22 (100) 20 (100) 1.000
Education ≥13 years 18 (81.8) 17 (85.0) 1.000
Due date confirmed by USG ≤ 12 gw 21 (95.5) 19 (95.0) 1.000
Fetal gender (boy) 12 (54.5) 13 (65.0) 0.491
Had contact with children 5 (22.7) 4 (20.0) 1.000
Taking medicine 6 (27.3) 5 (25.0) 0.867
Oral injury 1 (4.5) 0 0.0 1.000
Oxytocin receptor polymorphisms
 rs53576 (GG) 2 (9.5) 2 (11.8) 1.000
 rs2254298 (GG) 10 (47.6) 8 (47.0) 0.976
  1. p-value: using the two-tailed t-test, χ2 test, or Fisher’s exact test of comparisons between the intervention group and the control group
  2. [ ] shows standard deviation; ( ) shows %
  3. USG Ultrasonography