Table 8.

Influence of prenatal course on lifestyle during pregnancy.

Item		Participation in prenatal course:
		None	One lesson	Theoretical lessons	Whole course	Total
Average index of dietary habit	N	221	24	29	86	360
	Mean	6.19	6.67	6.38	7.27	6.49
	Std. Deviation	1.99	1.66	1.59	1.79	1.94
Index of dietary habit*	Poor	54.5	33.3	41.7	25.5	44.9
	Good	45.5	66.7	58.3	74.5	55.1
	Total	100.0	100.0	100.0	100.0	100.0
Change of physical activity*	The same	51.0	47.8	53.8	42.2	48.8
	Reduced	45.0	30.4	42.3	37.3	41.9
	Enhanced	4.0	21.7	3.8	20.5	9.3
	Total	100.0	100.0	100.0	100.0	100.0
Smoking*	Never or quit during planning	69.4	75.0	89.7	89.3	76.2
	Quit during pregnancy	18.5	8.3	6.9	7.1	14.2
	Still smoking (or smoking environment)	12.0	16.7	3.4	3.6	9.6
	Total	100.0	100.0	100.0	100.0	100.0
Alcohol*	No	70.8	62.5	58.6	67.4	68.5
	Yes	29.2	37.5	41.4	32.6	31.5
	Total	100.0	100.0	100.0	100.0	100.0
Stress reduction techniques change*	Yes, before the pregnancy	16.3	17.4	22.2	30.5	20.2
	Yes, during the pregnancy	40.2	47.8	33.3	37.8	39.6
	No	43.5	34.8	44.4	31.7	40.2
	Total	100.0	100.0	100.0	100.0	100.0

^*Column percentages presented