Table 1

Baseline characteristics of sample (n=14 401)

Characteristics	Frequency*	Percentage (%)
Immunisation status
Fully immunised	4331	31.5
Unimmunised	9414	68.5
External environment
Geographic region
Sumatera	4061	29.5
Java	3079	22.4
Bali and Nusa Tenggara	1220	9.0
Kalimantan	1447	10.5
Sulawesi	2381	17.3
Maluku and Papua	1557	11.3
Place of residence
Urban	6307	45.9
Rural	7438	54.1
Predisposing characteristics
Child’s sex
Male	7092	51.6
Female	6653	48.4
Child’s age (months)
12–23	3501	25.5
24–35	3413	24.8
36–47	3378	24.6
48–59	3453	25.1
Child’s birth order
1st	5929	35.9
2nd–4th	7533	54.8
≥5th	1283	9.3
Mother’s age (years)
15–19	262	1.9
20–24	2381	17.3
25–29	3928	28.6
30–34	3454	25.2
35–39	2410	17.5
40–44	1104	8.0
45–49	206	1.5
Mother’s marital status
Married	13 168	95.8
Living with partner	176	1.3
Widowed	118	0.8
Divorced	231	1.7
No longer living together	43	0.3
Never in union	9	0.1
Family size (number of household members)
≤4	5314	38.6
5–9	7637	55.6
≥10	794	5.8
Mother’s educational level
Higher	1819	13.2
Secondary	7221	52.6
Primary	4291	31.2
No education	414	3.0
Father’s educational level
Higher	1740	12.7
Secondary	7438	54.2
Primary	4204	30.6
No education	311	2.3
Don’t know	24	0.2
Mother’s occupation
Professional	1018	7.4
Agricultural	1855	13.5
Industrial	1571	11.4
Clerical, services and sales	3236	23.6
Did not work	6052	44.1
Do not know	2	0.0
Father’s occupation
Professional	1336	9.8
Agricultural	3550	25.9
Industrial	4884	35.6
Clerical, services and sales	3709	27.0
Did not work	225	1.6
Do not know	12	0.1
Mother’s exposure to media (newspaper, magazine, radio or television)
At least once a week	11 528	83.9
Less than once a week	1527	11.1
Not at all	686	5.0
Mother’s tobacco use history
Smokes nothing	13 317	96.9
Uses tobacco	424	3.1
Enabling resources
Household wealth index
Richest	2108	15.3
Richer	2276	16.6
Middle	2504	18.2
Poorer	2722	19.8
Poorest	4135	30.1
Covered by health insurance
Yes	5580	40.6
No	8156	59.4
Antenatal care
Received some care	10 861	96.2
Received no care	640	3.8
Postnatal care
Received some care	7395	65.7
Received no care	3813	33.8
Don’t know	53	0.5
Child’s place of delivery
Home	6325	46.2
Public health institution	2527	18.4
Private health institution	4823	35.2
Other	28	0.2
Distance to health facilities
Not a big problem	11 915	86.9
Big problem	1792	13.1
Maternal healthcare decision-making
By herself	4758	35.7
Jointly with husband	6567	49.3
Husband alone	1972	14.7
By others	34	0.3
Child healthcare decision-making
By herself	4497	36.3
Jointly with husband	1407	50.5
Husband alone	6255	11.4
By others	225	1.8

*Total number varies between categories because of missing values.