Nursing model of midwifery and postural and psychological interventions: Impact on maternal and fetal outcomes and negative emotions of primiparas

Table 1 General data of both groups of primiparas

Factors	Control group (n = 56)	Research group (n = 59)	χ2/t	P value
Age (years)	26.80 ± 7.23	28.46 ± 7.20	1.233	0.220
Gestational age (weeks)	37.71 ± 1.58	37.90 ± 1.77	0.606	0.546
BMI (kg/m2)	22.85 ± 2.95	22.70 ± 3.21	0.261	0.795
History of smoking (yes/no)	14/42	11/48	0.682	0.409
History of alcoholism (yes/no)	10/46	16/43	1.408	0.235
Educational level (primary school or junior high school/senior high school/junior college and above)	17/26/13	18/30/11	0.403	0.818

BMI: Body mass index.