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Table 2 A Comparison of Infants Weight-for-Age (kg), Height-for-Age (cm) and Weight-for-Height between the intervention and comparison groups participating in the study on influence of ergonomic breastfeeding training on some health parameters in infants and mothers based on World Health Organization Child Growth Standards Z Score (Girl = 62, Boy = 42)

From: The influence of ergonomic breastfeeding training on some health parameters in infants and mothers: a randomized controlled trial

Variable Intervention (n = 52)
M (SD)
Comparison (n = 52)
M (SD)
P-value
Weight-for-age At birth Girl 0.10(1.04) 0.20(0.92) 0.69
Boy −0.12(0.91) 0.11(1.00) 0.43
2 months post birth Girl 0.13(0.65) 0.27(0.61) 0.37
Boy −0.55(0.65) − 0.44(0.62) 0.59
4 months post birth Girl 1.02(0.56) 1.02(0.70) 0.96
Boy 0.36(0.54) 0.33(0.61) 0.89
6 months post birth Girl 2.09(0.91) 2.40(0.49) 0.10
Boy 1.75(0.56) 1.44(0.94) 0.21
Height-for-age At birth Girl 0.34(0.88) 0.41(0.82) 0.75
Boy −0.50(1.11) −0.11(0.71) 0.19
2 months post birth Girl 0.80(0.90) 0.57(0.85) 0.32
Boy −0.21(1.04) −0.52(1.37) 0.41
4 months post birth Girl 0.90(1.08) 0.43(1.37) 0.13
Boy −0.33(1.32) −0.20(1.25) 0.73
6 months post birth Girl 1.68(1.20) 0.78(1.53) 0.01
Boy 0.29(1.27) 0.38(1.52) 0.84
Weight-for-height At birth Girl −0.08(1.05) 0.01(0.93) 0.69
Boy −0.40(1.25) 0.02(0.80) 0.20
2 months post birth Girl −0.08(1.03) 0.14(0.96) 0.37
Boy −0.07(1.00) −0.36(1.31) 0.41
4 months post birth Girl −0.05(0.93) −0.04(1.15) 0.96
Boy −0.09(1.02) 0.012(0.98) 0.73
6 months post birth Girl −0.21(1.22) 0.20(0.65) 0.10
Boy −0.06(0.86) 0.00(1.03) 0.84
  1. Independent samples t-test at α = 0.002 (Bonferroni correction)