Table 1.

Characteristics of the study population in relation to indicators of socioeconomic position.

	Included in the analysis (N=66367)		Missing data (N=9044)
	N (%)	dead %	N	dead %
Education: head of household
no schooling	24237 (36.5)	4.3	844 (9.3)	3.8
1–8 years	24674 (37.2)	3.7	472 (5.2)	2.5
9 years or more	17456 (26.3)	2.1	254 (2.8)	2.8
Missing data			7474 (82.6)	3.5
Education: spouse
no schooling	43328 (65.3)	4.2	204 (2.3)	2.0
1–8 years	15697 (23.7)	2.6	74 (0.8)	2.7
9 years or more	7342 (11.1)	1.5	24 (0.3)	0
Missing data			742 (96.7)	3.5
Caste
Scheduled caste	12048 (18.2)	4.0	1512 (16.7)	4.0
Scheduled tribe	9830 (14.8)	4.7	1120 (12.4)	4.9
Other backward caste	18836 (28.4)	3.5	2470 (27.3)	3.6
No caste	3539 (5.3)	3.7	540 (6.0)	2.2
Other caste	22114 (33.3)	2.7	3402 (37.6)	2.9
Household wealth
Poorest quintile	14391 (21.7)	5.2	1723 (20.8)	5.1
Second quintile	13692 (20.6)	4.5	1607 (20.8)	4.8
Third quintile	12300 (18.5)	3.6	1657 (20.6)	3.3
Fourth quintile	13134(19.8)	2.5	1936 (21.2)	3.2
Top quintile	12850 (19.4)	1.4	2121 (16.7)	5.1
Urbanization
Village	49385 (74.4)	4.0	6557 (72.5)	3.6
Town	7783 (11.7)	2.4	1030 (11.4)	3.5
Small city	3427 (5.2)	1.9	545 (6.0)	2.4
Large city	5772 (8.7)	1.5	912 (10.1)	3.2