Table 3 Univariate analysis of factors influencing infant weight at 3 months of age in the two groups

Sex of the infants

boy

220

57.7±26.91

2.65

0.008

girl

202

64.48±25.45

Exclusive breastfeeding or not

yes

242

58.23±27.68

2.52

0.012

no

180

64.60±24.19

Primiparous or not

yes

281

57.58±26.86

3.76

<0.001

no

141

67.66±24.22

Vaginal delivery or not

yes

187

64.26±25.19

2.32

0.021

no

235

58.30±27.10

Birth weight of the infant

422

0.559

190.53

<0.001

Score of coping strategies

422

0.177

13.55

<0.001