Table 7 Perception of requirement for enhancing of skin, nail and hair during pregnant and lactation periods (%)
| Classifications | n | Care of health | Self control | Doctor's recommend | Daily practice | Others | χ2(P) |
| Age | 20~29 | 17 | 58.80 | 23.50 | 0.00 | 5.90 | 11.80 | 4.162(0.842) |
| 30~39 | 78 | 48.70 | 39.70 | 1.30 | 6.40 | 3.80 |
| 40~49 | 1 | 100.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Occupation | House work | 59 | 55.90 | 37.30 | 0.00 | 3.40 | 3.40 | 13.536(0.633) |
| Office work | 20 | 40.00 | 35.00 | 0.00 | 15.00 | 10.00 |
| Professional | 14 | 50.00 | 28.60 | 7.10 | 7.10 | 7.10 |
| Part-time | 1 | 0.00 | 100.00 | 0.00 | 0.00 | 0.00 |
| No remark | 2 | 50.00 | 50.00 | 0.00 | 0.00 | 0.00 |
| Income(x1,000 KRW) | < 999 | 33 | 57.60 | 36.40 | 0.00 | 3.00 | 3.00 | 25.789(0.057) |
| 1,000~1,999 | 13 | 84.60 | 15.40 | 0.00 | 0.00 | 0.00 |
| 2,000~2,999 | 31 | 38.70 | 35.50 | 3.20 | 16.10 | 6.50 |
| 3,000~3,999 | 11 | 36.40 | 63.60 | 0.00 | 0.00 | 0.00 |
| > 4,000 | 8 | 37.50 | 37.50 | 0.00 | 0.00 | 25.00 |
| Skin type | Not known | 2 | 100.00 | 0.00 | 0.00 | 0.00 | 0.00 | 17.839(0.333) |
| Oily | 10 | 60.00 | 20.00 | 0.00 | 20.00 | 0.00 |
| Dry | 23 | 52.20 | 39.10 | 0.00 | 8.70 | 0.00 |
| Sensitive | 17 | 58.80 | 23.50 | 5.90 | 0.00 | 11.80 |
| Complicate | 44 | 43.20 | 45.50 | 0.00 | 4.50 | 6.80 |