Table 3. Single logistic regression analysis between IRS scores and ICCE responses (Recoded Variable II).

Items (Change)	Recoded Variable I		Recoded Variable II	n	%	OR	CI	P
	18M	30M
Human stimulation
Play with your child	0	0	0	15	6.1	0.91	0.43–1.90	0.7922
	1	0	1	46	18.7
	0	1
	1	1	2	185	75.2
Reading books to your child	0	0	0	130	52.9	1.11	0.66–1.86	0.7022
	1	0	1	60	24.4
	0	1
	1	1	2	56	22.8
Sing songs with your child	0	0	0	46	18.7	1.82a	1.10–3.01	0.0204
	1	0	1	68	27.6
	0	1
	1	1	2	132	53.7
Work together with your partner to raise	0	0	0	71	28.9	1.66a	1.02–2.71	0.0416
your child	1	0	1	61	24.8
	0	1
	1	1	2	114	46.3
Eat meals together as a family	0	0	0	35	14.2	1.44	0.85–2.43	0.1709
	1	0	1	60	24.4
	0	1
	1	1	2	151	61.4
Social stimulation
Go grocery shopping with your child	0	0	0	144	58.5	1.05	0.61–1.82	0.8610
	1	0	1	60	24.4
	0	1
	1	1	2	42	17.1
Go to the park with your child	0	0	0	157	63.8	1.33	0.74–2.40	0.3441
	1	0	1	45	18.3
	0	1
	1	1	2	44	17.9
Go to friends’ or relatives’ house	0	0	0	225	91.5	1.13	0.27–4.83	0.8681
	1	0	1	20	8.1
	0	1
	1	1	2	1	0.4
Social support
Talk with your partner about your child	0	0	0	45	18.3	1.00	0.59–1.71	0.9902
	1	0	1	67	27.2
	0	1
	1	1	2	134	54.5
Have child care support	0	0	0	5	2.0	0.71	0.19–2.62	0.6024
	1	0	1	19	7.7
	0	1
	1	1	2	222	90.2
Have consult	0	0	0	1	0.4	—	—	—
	1	0	1	1	0.4
	0	1
	1	1	2	244	99.2

Because there is one person in each of Recoded Variable II ‘0’ and ‘1’ of ‘Have consult’.

^aP < 0.05.