Table 2.

Demographic Characteristics of Study Groups

Characteristics	Intervention (n=26)	Control (n=29)	P-valuea
Maternal age, years	31.7±5.7	30.2±3.4	0.267
Gestational age, weeks	25.9±7.0	23.2±7.2	0.157
Body mass index (BMI), kg/m2	26.2±4.3	25.6±4.1	0.630
Education
Diploma or under diploma	14 (53.8%)	12 (41.4%)	0.355
University degree	12 (46.2%)	17 (58.6%)
Gravidity
1	6 (23%)	9 (31%)	0.656
2	12 (46.2%)	10 (34.5%)
≥3	8 (30.8%)	10 (34.5%)
Occupation
Housewife	24 (92.3%)	23 (79.3%)	0.256
Employed	2 (7.7%)	6 (20.7%)

Notes: ^aIndependent sample t-test or chi-square as appropriate.

Abbreviation: BMI, body mass index.