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Table 2 Comparison of the high (poor mental health status) and low (good mental health status) GHQ-12 score groups

From: Mental health problems and influencing factors in Japanese women 4 months after delivery

       (n =584)
   Variable   High GHQ-12 score   Low GHQ-12 score   P value
   (n =45)   (n =539)   
   Average SD Average SD  
Age (years)   33.6 5.5 31.2 5.1 <0.01
Height (cm)   158.3 5.1 158.1 5.3 0.80
Weight (kg)   51.7 7.3 51.9 6.9 0.86
Gestational age at delivery (weeks)   39.0 1.6 38.9 1.5 0.86
   N % N %  
Parity Primiparous 22 48.9 257 47.7 0.50
Method of birth Caesarean section 4 8.9 73 13.5 0.49
Term Preterm 4 8.9 26 4.8 0.28
Marital status Single or Divorced 3 6.3 14 2.6 1.00
Pregnancy Not planned 16 35.6 128 23.7 0.10
Breastfeeding status Partially breastfeeding or Formula feeding 21 46.7 180 33.4 0.08
Eating meals regularly No 12 26.7 65 12.1 0.01
Appetite Poor 5 11.1 20 3.7 0.04
Frequency of going out No or 1–2 times a month 1 5.9 16 94.1 1.00
Financial difficulty Yes 16 35.6 101 18.7 0.01
Stressful life events experienced Yes 14 31.1 169 31.4 1.00
History of depression Yes 11 24.4 25 4.6 0.01