Table 4 Control methods for nutritional management of during pregnant and lactation periods

Classifications		n	No control(%)	Diet control(%)	Vitamin or supplementary foods (%)	Exercise(%)	χ2(P)
Age	20~29	17	5.9	35.3	47.1	11.8	8.483(0.205)
	30~39	78	12.80	28.20	52.60	6.40
	40~49	1	100.00	0.00	0.00	0.00
Occupation	House work	59	15.30	30.50	44.10	10.20	17.756(0.123)
	Office work	20	15.00	25.00	60.00	0.00
	Professional	14	0.00	21.40	78.60	0.00
	Part-time	1	0.00	100.00	0.00	0.00
	No remark	2	0.00	50.00	0.00	50.00
Income(x1000 KRW)	< 999	33	3.00	42.40	39.40	15.20	22.807*(0.029)
	1,000~1,999	13	7.70	38.50	53.80	0.00
	2,000~2,999	31	16.10	25.80	58.10	0.00
	3,000~3,999	11	36.40	9.10	45.50	9.10
	> 4,000	8	12.50	0.00	75.00	12.50
Skin type	Not known	2	0.00	0.00	50.00	50.00	14.322(0.281)
	Oily	10	10.00	30.00	50.00	10.00
	Dry	23	8.70	43.50	47.80	0.00
	Sensitive	17	23.50	29.40	47.10	0.00
	Complicate	44	11.40	22.70	54.50	11.40

^* P<0.05.