Table 2.

Demographic and infant feeding characteristics of children with cows’ milk allergy and matched controls

(Numbers of participants and percentages; medians and ranges)

	Cows’ milk allergy group (n 22)		Control group (n 44)
Characteristics	n	%	n	%	P
Male	16	73	33	75	0·84
Birth weight (kg)					0·13
Median	3·4		3·6
Range	2·09–4·54		2·66–4·80
Maternal age (years)					0·55
Median	28·5		29·5
Range	21–44		19–43
Maternal education
School	6	27	10	22·7	0·09
Further	8	36·5	27	61·4
Higher	8	36·5	6	13·6
Did not complete school	0	0	1	2·3
Maternal smoking	4	18·2	9	20·5	0·83
Only child	9	40·9	14	31·8	0·58
Maternal asthma	6	27	10	22·7	0·69
Maternal hayfever	10	45·5	16	36·4	0·48
Maternal eczema	8	36·5	11	25	0·34
Maternal food allergy	7	31·8	8	18·2	0·21
Initiation of breastfeeding	15	68·2	32	72·7	0·70
Breastfeeding duration (d)					0·44
Median	15		49
Range	0–730		0–730
Exclusive breastfeeding duration (d)					0·29
Median	2		24·5
Range	0–140		0–168
Age of solid food introduction (d)					0·014*
Median	112		112
Range	84–168		42–168
Bottle feeding introduced (d)					0·12
Median	1		14
Range	0–126		0–259
Any concurrent breastfeeding and cows’ milk consumption	9	40·9	26	59·1	0·16

^*P < 0·05.