Nutritional knowledge as a determinant of vitamin and mineral supplementation during pregnancy

BMC Public Health

Table 2 Associations between use of supplements and socio-demographic factors, pre-natal care and nutritional knowledge

	Folic acid			Iron			Vitamins
	YES			YES			YES
	N	%	p	n	%	p	n	%	p
Urban environment	138	63.6	<0.001	171	78.8	0.14	171	78.8	<0.001
Rural environment	54	36.4	<0.001	101	55.2	0.14	101	55.2	<0.001
Education (number of years)
≤8	11	5.7	<0.001	45	24.9	<0.001	43	15.8	<0.001
9-12	82	42.7	<0.001	75	41.4	<0.001	110	40.4	<0.001
> 12	99	51.6		61	33.7		119	43.8
Age (years old)
< 18	0	0	<0.001	9	42.9	0.043	9	42.9	0.011
≥ 18	192	50.7	<0.001	263	69.4	0.043	263	69.4	0.011
Number of births
≤ 2	173	52.6		242	73.6		242	73.6
> 2	19	26.8		30	42.3		30	42.3
Wanted pregnancy	179	49.9	0.017	254	70.8	0.009	254	70.8	<0.001
Unwanted pregnancy	12	30.0	0.017	17	42.5	0.009	17	42.5	<0.001
Married	176	54.5	<0.001	235	72.8	0.01	235	72.8	<0.001
Single	16	20.8	<0.001	37	48.1	0.01	37	48.1	<0.001
Pregnancy registration
General practitioner
Yes	189	49.1	0.027	267	69.4	0.006	267	69.4	0.003
No	3	20	0.027	5	33.3	0.006	5	33.3	0.003
Obstetrician
Yes	185	55.4		255	76.3		255	76.3
No	7	10.6		17	25.8		17	25.8
Total number or prenatal visits
≤ 4	2	2.8	<0.001	18	25.0	<0.001	18	25.0	<0.001
> 4	190	57.9	<0.001	254	77.4	<0.001	254	77.4	<0.001
Gestational age at registration (months)
<4	180	53.7	<0.001	192	57.3	0.019	244	72.8	<0.001
≥4	12	18.5	<0.001	27	41.5	0.019	28	43.1	<0.001
Nutritional questionnaire score
Low	7	10.1	<0.001	23	33.3	<0.001	22	31.9	<0.001
Medium	137	47.1		147	56.8		192	74.3
High	48	65.8		49	67.6		58	79.7

ISSN: 1471-2458