Table 1.
Background characteristics of 300 nulliparous women with planned birthplace at Akershus University Hospital, Norway
| Variable | Value |
|---|---|
| Age (years) (±SD) | 28.7±4.3 |
| Weight before this pregnancy (kg) (±SD) | 67.2±12.1 |
| BMI before this pregnancy (m/kg2) (±SD) | 23.9±3.9 |
| Marital status | |
| Married or cohabitant (n (%)) | 287 (95.7) |
| Single or divorced (n (%)) | 13 (4.3) |
| Educational level | |
| College/university (n (%)) | 226 (75.3) |
| Primary school, high school or other (n (%)) | 74 (24.7) |
| Smoking before this pregnancy | |
| Yes, daily (n (%)) | 33 (11.0) |
| Yes, sometimes (n (%)) | 44 (14.7) |
| No (n (%)) | 223 (74.3) |
| General cardio exercise before this pregnancy (n (%)) | |
| <20 min 3 times weekly high or 30 min 5 times weekly moderate intensity | 183 (61) |
| ≥20 min 3 times weekly high or 30 min 5 times weekly moderate intensity | 117 (39) |
| General strength exercise before this pregnancy (n (%)) | |
| <2 times weekly | 245 (81.7) |
| ≥2 times weekly | 55 (18.3) |
| Working before this pregnancy (n (%)) | |
| Yes (including the women who were on sick leave, n=11) | 277 (92.3) |
| No (homemaker, job seeker or student) | 23 (7.7) |
Numbers with percentages (%), mean with SD.
BMI, body mass index.