Variables	Terms and conditions	Absolute frequencies (n)	Relative frequencies (%)
Education level	Not in school	943	65
	Primary	362	25
	Secondary	135	9
	Superior	2	1
Level of household well-being	The poorest	962	67
	Intermediate	398	27
	The richest	82	6
Existence of income-generating activities for women	Any	747	52
	Crafts	38	3
	Cash crops	239	17
	Small business	285	20
	Domesticated	22	2
Distance between home and antenatal care	Less than 5 km	783	55
	Between 5 and 10 km	271	19
	Between 10 and 15 km	118	12
	More than 15 km	175	12
Number of deliveries of women	<4	767	52
Number of deliveries of women	≥4	675	48
Receiving advice on the 4 PNCS	Yes	912	63
	No	511	35
	Do not remember	19	2
Knowledge of anemia medications	Iron-folic acid	1336	93
Knowledge of anemia medications	Other	106	7
Receiving advice on taking iron	Yes	1201	83
Receiving advice on taking iron	No	241	17
Number of PNCS performed	≥4 PNC	459	32
Number of PNCS performed	<4 PNC	983	68
Age of pregnancy at CPN1	<3 months	326	52
Age of pregnancy at CPN1	≥3 months	307	48
Taking iron during the last pregnancy	Yes	1319	91
	No	80	6
	Do not remember	43	3
Prescription of iron supplementation during the last pregnancy	Yes	1020	71
	Self-medication	209	14
	Do not remember	213	15
Number of iron intake days	0 - 59 days	664	43
	60 - 89	18	1
	90 days and more	760	56