Table 2 Description of the selected variables in the five waves (percentage)
|  | 2010 N = 8358 | 2012 N = 9061 | 2014 N = 8774 | 2016 N = 9021 | 2018 N = 9148 |
|---|---|---|---|---|---|
Health care-seeking behavior | 68.8 | 65.4 | 72.3 | 74.9 | 76.1 |
Current smoking | 28.8 | 27.4 | 26.2 | 24.9 | 25.7 |
Former smoking | 7.3 | 5.0 | 5.2 | 5.2 | 8.2 |
Never smoking | 63.9 | 67.5 | 68.6 | 69.8 | 66.2 |
Regular drinking | 12.9 | 13.2 | 13.1 | 11.7 | 12.5 |
Physical inactivity | 72.0 | 56.9 | 63.2 | 58.8 | 52.8 |
Age group | |||||
 16–24 | 6.8 | 7.4 | 6.4 | 7.3 | 6.4 |
 25–64 | 76.0 | 74.5 | 73.7 | 70.9 | 69.9 |
  > =65 | 17.2 | 18.2 | 20.0 | 21.8 | 23.7 |
 Male | 42.7 | 43.4 | 42.3 | 42.0 | 42.8 |
Educational attainment | |||||
 Illiteracy | 36.1 | 35.4 | 35.4 | 34.5 | 30.4 |
 Elementary school | 21.5 | 21.6 | 22.2 | 21.5 | 21.6 |
 Middle school | 25.0 | 23.8 | 24.4 | 24.4 | 26.1 |
 High school | 11.8 | 12.4 | 11.7 | 11.7 | 12.5 |
 Above three-year college | 5.7 | 6.8 | 6.3 | 8.0 | 9.5 |
 Married | 82.5 | 82.5 | 82.3 | 80.4 | 79.9 |
 Urban residency | 44.8 | 45.4 | 47.1 | 47.5 | 47.7 |
Medical insurance | |||||
 GMI | 4.7 | 3.7 | 2.9 | 1.9 | 2.4 |
 UEMI | 9.5 | 12.2 | 12.6 | 12.4 | 13.1 |
 URMI | 7.0 | 7.6 | 8.2 | 8.0 | 7.9 |
 NRCMI | 58.1 | 64.6 | 67.5 | 68.2 | 67.7 |
 Other Insurance | 0.5 | 0.3 | 0.6 | 0.4 | 0.3 |
 No Insurance | 20.2 | 11.7 | 8.2 | 9.1 | 8.6 |
 Household income a | 3.3 (5.3) | 4.2 (5.0) | 4.6 (6.1) | 5.4 (12.5) | 5.6 (8.5) |
 Economically active | 45.4 | 67.5 | 71.5 | 75.3 | 73.2 |
Health status | |||||
 Poor | 38.9 | 41.0 | 36.1 | 36.2 | 36.4 |
 Fair | 42.0 | 23.0 | 19.5 | 22.6 | 16.7 |
 Good | 19.1 | 36.0 | 44.4 | 41.3 | 46.9 |
 Chronic conditions | 29.0 | 22.1 | 34.6 | 34.0 | 32.7 |
Severity of physical discomfort | |||||
 Mild | 22.2 | 24.1 | 20.8 | 20.9 | 17.3 |
 Moderate | 40.1 | 39.7 | 47.2 | 42.3 | 44.4 |
 Serious | 37.7 | 36.2 | 32.0 | 36.8 | 38.4 |