Table 1.

Descriptive characteristics of the study sample.

Independent variables	Classification	N (%)
Age (years)	80–89	2,207 (46.6)
	90–99	1,654 (34.9)
	≥100	977 (18.5)
Gender	Male	1,957 (41.3)
	Female	2,781 (58.7)
Residence	Urban	2,074 (43.8)
	Rural	2,664 (56.2)
Years of schooling	0	3,192 (67.4)
	1–6	1,224 (25.8)
	≥7	322 (6.8)