Table 1 Socioeconomic status and demographic characteristics of the participants
ALL (n = 51) | University Hospital, Kyoto Prefectural University of Medicine (n = 17) | Obstetrics and gynecology department clinic (n = 34) | P values | |
|---|---|---|---|---|
Age | 33.7 ± 0.6 | 34.1 ± 1.0 | 33.5 ± 0.7 | 0.554 |
Employment statusab | ||||
Employed | 31(60.8) | 8(15.7) | 23(45.1) | 0.156 |
Unemployed | 20(39.2) | 9(17.6) | 11(21.6) | |
Family structureab | ||||
Nuclear family | 50(98.0) | 17(33.3) | 33(64.7) | 1.000 |
Extended family | 1(2.0) | 0 | 1(2.0) | |
Period of pregnancy (week) | 39.2 ± 0.2 | 39.4 ± 0.3 | 39.1 ± 0.2 | 0.633 |
Pre-pregnancy BMI (kg/m2) | 20.1 ± 0.3 | 20.0 ± 0.6 | 20.2 ± 0.4 | 0.849 |
Pre-pregnancy BMI groupab | ||||
BMI of <18.5 | 14(27.5) | 6(11.8) | 8(15.7) | 0.555 |
BMI of 18.5-25.0 | 35(68.5) | 10(19.6) | 25(48.9) | |
BMI of > 25.0 | 2(4.0) | 1(2.0) | 1(2.0) | |