| Current pregnancy status | Pregnant | | 133 (13.3) |
| Non-pregnant | | 867 (86.7) |
| Previous birth experience | Yes | | 800 (80.0) |
| No | | 200 (20.0) |
| Age group (yr) | 25–29 | | 121 (12.1) |
| 30–35 | | 396 (39.6) |
| 36–39 | | 483 (48.3) |
| Educational level | Graduated middle school | | 2 (0.2) |
| Graduated high school | | 177 (17.7) |
| Current college student/graduated college | | 735 (73.5) |
| Postgraduate level | | 86 (8.6) |
| Monthly income level (million Korean won) | <2 | | 67 (6.7) |
| 2–3 | | 274 (27.4) |
| 3–4 | | 260 (26.0) |
| 4–5 | | 227 (22.7) |
| 5–6 | | 88 (8.8) |
| >6 | | 84 (8.4) |
| Occupational status | Employed | Management/executive position | 1 (0.1) |
| Officer | 352 (35.2) |
| Skilled worker | 24 (2.4) |
| Sales worker | 17 (1.7) |
| Self-employed | 21 (2.1) |
| Profession | 40 (4.0) |
| Not-employed | Student | 5 (0.5) |
| Housewife | 532 (53.2) |
| No occupation | 1 (0.1) |
| Others | 6 (0.6) |
| Not known | 1 (0.1) |
| Regional group | Seoul metropolitan area | Seoul | 238 (23.8) |
| Incheon | 56 (5.6) |
| Gyeonggi | 251 (25.1) |
| Gangwon | 25 (2.5) |
| Busan/Ulsan | Busan | 67 (6.7) |
| Ulsan | 21 (2.1) |
| Gyeongsang Province | Gyeongnam/Gyeongbuk | 106 (10.6) |
| Daegu | 48 (4.8) |
| Jeolla Province | Jeonnam/Jeonbuk | 54 (5.4) |
| Gwangju | 30 (3.0) |
| Chungcheong Province | Chungnam/Chungbuk | 65 (6.5) |
| Daejeon | 31 (3.1) |
| Jeju Special Self-Governing Province | Jeju | 8 (0.8) |