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Table 5 KPCS means, standard deviations, and differences between and within groups for nine- and 15-item versions at two and six months

From: Maternal confidence after birth in at-risk and not-at-risk mothers: internal and external validity of the Danish version of the Karitane Parenting Confidence Scale (KPCS)

  2 months 6 months Δ
Mean SD Mean SD Mean SD
15-item version (0–45)
 All 41.08 3.37 42.03 2.69 0.95*** 2.72
 Not-at-risk 41.75 2.86 42.41 2.37 0.67*** 2.26
 At-risk 39.51 3.92 41.12 3.15 1.60*** 3.49
 Group Δ 1.7***   0.99***   −0.93**  
9-item version (0–27)
 All 23.52 2.87 24.45 2.23 0.93*** 2.37
 Not-at-risk 24.03 2.49 24.74 1.97 0.72*** 2.00
 At-risk group 22.33 3.22 23.75 2.63 1.42*** 3.02
Group Δ 1.70***   0.99***   −0.70**  
  1. *** p < 0.000; ** p < 0.01; * p < 0.05
  2. Δ: Difference between means at two and six months. Positive value indicates higher score at six months
  3. Group Δ: Difference between at-risk and not at risk group. A positive value indicates a higher score in the not-at-risk group