Table 1 General characteristics of the study population by survey year
Characteristics | Survey year | |||||
|---|---|---|---|---|---|---|
2009 | 2016 | |||||
Male (n = 3067) | Female (n = 3283) | All (n = 6350) | Male (n = 3143) | Female (n = 3216) | All (n = 6359) | |
Age | ||||||
35–44 years | 712 (23.2) | 761 (23.2) | 1473 (23.2) | 737 (23.4) | 714 (22.2) | 1451 (22.8) |
45–54 years | 764 (24.9) | 813 (24.8) | 1577 (24.8) | 830 (26.4) | 895 (27.8) | 1725 (27.1) |
55–64 years | 780 (25.4) | 838 (25.5) | 1618 (25.5) | 740 (23.5) | 839 (26.1) | 1579 (24.8) |
≥ 65 years | 811 (26.4) | 871 (26.5) | 1682 (26.5) | 836 (26.6) | 768 (23.9) | 1604 (25.2) |
Approximate yearly household income (%) | ||||||
Low | 1230 (40.1) | 1768 (53.9)* | 2998 (47.2) | 1264 (40.2) | 1614 (50.2)* | 2878 (45.3) |
High | 1837 (59.9) | 1515 (46.1) | 3352 (52.8) | 1879 (59.8) | 1602 (49.8) | 3481 (54.7) |
Level of education (%) | ||||||
Illiterate | 740 (24.1) | 1671 (50.9)** | 2411 (38.0) | 856 (27.2) | 1244 (38.7)** | 2100 (33.0) |
Primary (grade 1–6) or higher | 2327 (75.9) | 1612 (49.1) | 3939 (62.0) | 2287 (72.8) | 1972 (61.3) | 4259 (67.0) |