Table 2 Descriptive statistics for study variables in 2009 and 2012
Variables | 2009 | 2012 |
|---|---|---|
N (%) | N (%) | |
Economic status (reference group = Quintile1) | ||
 Quintile2 | 194 (19.98) | 139 (20.03) |
 Quintile3 | 194 (19.98) | 138 (19.88) |
 Quintile4 | 194 (19.98) | 139 (20.03) |
 Quintile5 | 194 (19.98) | 139 (20.03) |
Household member ≥ 65 | 256 (26.36) | 223 (32.13) |
Household member ≤ 5 | 194 (19.98) | 96 (13.83) |
Household head | ||
 Sex (male) | 890 (91.66) | 641 (92.36) |
 Education (reference group = below primary school level) | ||
  Junior middle school | 406 (41.81) | 279 (40.20) |
  Senior middle school and above | 99 (10.20) | 65 (9.37) |
 Occupation (farmer) | 826 (85.07) | 600 (86.46) |
Household size (reference group = 1–3 members) | ||
  ≥ 4 members | 525 (54.07) | 382 (55.04) |
Chronic disease | 588 (60.56) | 352 (50.72) |
Self-assessed health (reference group = worse) | ||
 Normal | 261 (26.88) | 168 (24.21) |
 Better | 493 (50.77) | 413 (59.51) |
Total | 971 | 694 |