Table 1.

Characteristics of the study sample according to breast-feeding status; Kingston, Frontenac, and Lennox & Addington (KFL&A) Infant Feeding Survey, Ontario, Canada, 2008

	All mothers		Any breast-feeding at 6 months		Non-breast-feeding at 6 months
	%	n	%	n	%	n
Mother’s age**	n 320		n 164		n 155
15–24 years	14·4	46	7·9	13	21·3	33
25–34 years	66·6	213	68·3	112	64·5	100
≥35 years	19·1	61	23·7	39	14·2	22
Mother’s education**	n 320		n 164		n 155
High school or less	10·9	35	5·5	9	16·1	25
Some post-secondary or college/university diploma or degree	89·1	285	94·5	155	83·9	130
Household income***	n 286		n 148		n 137
≤$CAN 39 999	19·9	57	14·9	22	24·8	34
$CAN 40 000–79 999	33·2	95	27·0	40	40·1	55
≥$CAN 80 000	46·9	134	58·1	86	35·0	48
Parity	n 317		n 164		n 152
1 child	49·2	156	46·0	77	52·0	79
≥2 children	50·8	161	53·0	87	48·0	73
Smoking during pregnancy***	n 319		n 164		n 154
Yes	10·3	32	3·7	6	16·2	25
No	90·2	287	96·3	158	83·8	129
Infant admission to ICU	n 268		n 138		n 129
Yes	7·8	21	5·8	8	10·1	13
No	92·2	247	94·2	130	89·9	116
Infant birth weight	n 299		n 153		n 145
1500–2499 g	2·7	8	1·3	2	4·1	6
2500–3999 g	82·3	246	80·4	123	84·1	122
≥4000 g	15·1	45	18·3	28	11·7	17
Attendance at breast-feeding or prenatal class***	n 319		n 164		n 154
Yes	48·3	154	38·4	63	58·4	90
No	51·7	165	61·6	101	41·6	64
Previously breast-fed an infant***	n 141		n 78		n 62
Yes	89·4	126	97·4	76	79·0	49
No	10·6	15	2·6	2	21·0	13

ICU, intensive care unit.

Significant difference between groups: **P<0·01, ***P<0·001.