Table 3.

Risk factors for moderate or high developmental risk in the 6-month group

Risk factor N (n)% Whole sample	Total 792 (100)	High 21 (2.7%; 95% CI 1.7 to 4.1)	High/moderate 215 (27.2%; 95% CI 24.2 to 30.4)	Low/no 577 (72.9%; 95% CI 69.6 to 75.8)	unadjusted OR (high/moderate vs low/no)−	p Value
Child level
Male gender	344	12 (3.5)	97 (28.2)	247 (71.8)	1.1 (0.8 to 1.4)	0.8
Low birthweight (<2500g)	49	3 (6.1)	16 (32.7)	33 (67.4)	1.3 (0.7 to 2.4)	0.8
Preterm (<37 weeks)	57	2 (3.5)	17 (29.8)	40 (70.2)	1.1 (0.6 to 2.0)	0.7
SCN/NICU	102	3 (2.9)	31 (30.4)	71 (69.6)	1.2 (0.7 to 1.8)	0.7
Parent level
Mother did not complete high school	110	3 (2.7)	37 (33.6)	73 (66.4)	1.4 (0.9 to 2.2)	0.1
Father unemployed at birth	37	1 (2.7)	15 (40.5)	22 (59.5)	1.9 (1.0 to 3.8)	0.06
Mother nationality
Australia, UK, North America, New Zealand	355	7 (2.0)	82 (23.1)	273 (76.9)	1.0 (ref)
Middle East	97	6 (6.1)	38 (39.2)	59 (60.8)	2.1 (1.3 to 3.5)	0.002
Asian (includes India, Bangladesh)	210	6 (2.8)	67 (31.9)	143 (68.1)	1.6 (1.1 to 2.3)	0.02
Other	78	1 (1.3)	18 (23.1)	60 (76.9)	0.9 (0.6 to 1.8)	0.9
Family level
English not primary language	240	7 (2.9)	76 (31.7)	164 (68.3)	1.4 (1.0 to 1.9)	0.06
Household annual income at birth<$A25 001	94	5 (5.3)	35 (37.2)	59 (62.7)	1.7 (1.1 to 2.7)	0.02
Neighbourhood level
SEIFA lowest decile	274	10 (3.7)	90 (32.9)	184 (67.2)	1.5 (1.1 to 2.1)	0.02
Composite measures
Perinatal risk	135	4 (3.0)	39 (28.5)	96 (71.5)	1.1 (0.7 to 1.6)	0.7
Maternal Middle Eastern or Asian nationality	307	12 (3.9)	105 (34.2)	202 (65.8)	1.7 (1.3 to 2.4)	0.001
Household disadvantage	187	8 (4.3)	66 (35.3)	121 (64.7)	1.7 (1.2 to 2.4)	0.005

NICU, neonatal intensive care unit; SCN, special care nursery; SEIFA, Socio-Economic Indexes for Areas.