Table 3 Perception of requirement for nutritional management of pregnant and lactation periods
| Classifications | n | Maintainment/ care of health | Self control | Doctor's recommend | Daily practice | Others | χ2(P) |
| Age | 20~29 | 17 | 52.9 | 11.8 | 29.4 | 5.9 | 0 | 13.545-0.094 |
| 30~39 | 78 | 100.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 40~49 | 1 | 79.70 | 5.10 | 8.50 | 3.40 | 3.40 |
| Occupation | House work | 59 | 55.00 | 30.00 | 10.00 | 5.00 | 0.00 | 19.325-0.252 |
| Office work | 20 | 57.10 | 28.60 | 7.10 | 0.00 | 7.10 |
| Professional | 14 | 0.00 | 100.00 | 0.00 | 0.00 | 0.00 |
| Part-time | 1 | 100.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| No remark | 2 | 75.80 | 6.10 | 12.10 | 3.00 | 3.00 |
| Income(x1,000 KRW) | < 999 | 33 | 84.60 | 7.70 | 7.70 | 0.00 | 0.00 | 12.106-0.737 |
| 1,000~1,999 | 13 | 61.30 | 22.60 | 6.50 | 6.50 | 3.20 |
| 2,000~2,999 | 31 | 63.60 | 27.30 | 9.10 | 0.00 | 0.00 |
| 3,000~3,999 | 11 | 75.00 | 12.50 | 0.00 | 0.00 | 12.50 |
| > 4,000 | 8 | 100.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Skin type | Not known | 2 | 70.00 | 10.00 | 20.00 | 0.00 | 0.00 | 10.992-0.81 |
| Oily | 10 | 78.30 | 17.40 | 4.30 | 0.00 | 0.00 |
| Dry | 23 | 76.50 | 17.60 | 0.00 | 5.90 | 0.00 |
| Sensitive | 17 | 63.60 | 13.60 | 11.40 | 4.50 | 6.80 |
| Complicate | 44 | 70.80 | 14.60 | 8.30 | 3.10 | 3.10 |