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Table 3 Estimated changes in the mean oxytocin level in the intervention and control groups using the linear mixed model with the baseline oxytocin level on the first day and the characteristic factors as covariates (N = 37)

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

  Intervention Control p a p b
M SE M SE
First Base ref   ref    
30 min 6.1 25.3 −38.8 28.2 0.053 0.369
60 min −23.7 24.0 −42.1 25.1 0.169 1.000
75 min −8.6 24.9 −49.1 25.8 0.012 0.083
Third Base 18.7 27.4 −40.1 29.1 0.021 0.144
30 min 20.2 26.2 −44.4 27.3 0.003 0.018
60 min −19.7 25.9 −45.9 27.0 0.171 1.000
75 min −19.6 25.7 −49.1 26.9 0.119 0.832
  1. The covariate was evaluated based on the basal oxytocin level on the first day = 121.1, gestational weeks on the first day of intervention = 38.7, age = 29.0
  2. M Mean estimate level, SE Standard error, ref reference
  3. a: Without correction, b: With Bonferroni correction