Table 1

Characteristics of 182 children of birthweight < 2 kg and gestational age ≤ 32 weeks

Characteristic	Category		Tested			Not tested			Refused
Characteristic	Category		No	(%)		No	(%)		No	(%)
Sex	Female	71	45		8	53		4	44
Sex	Male	87	55		7	47		5	56
Plurality	Singleton	129	82		12	80		6	67
Plurality	Twin or triplet	29	18		3	20		3	33
TOMI	<2	50	32
	2≤TOMI <4	41	26
	≥4	67	42		15	100
Maternal age left education (years)	≤16	105	66
	≥17	24	15
	Missing	29	18		15	100		9	100
Housing	Owner-occupied	71	45
	Rented	63	40
	Missing	24	15		15	100		9	100
Number of benefits	0 or 1	59	37
	>1	69	44
	Missing	30	19		15	100		9	100
Mother: No of cigarettes per day during pregnancy	Nil	61	39		5	33		2	22
	<10	18	11		1	7		0	0
	10-19	45	28		6	40		5	56
	≥20	28	18		2	13		0	0
	Missing	6	4		1	7		2	22