| Sample size | Total | P | ||
---|---|---|---|---|---|
n | % | Mean | SD | ||
Age | |||||
 18–44 | 4161 | 43.8 | 15.7 | 4.5 | < 0.001* |
 45–59 | 3426 | 36.0 | 15.4 | 4.8 | |
 60–94 | 1920 | 20.2 | 14.9 | 4.9 | |
Gender | |||||
 Men | 4861 | 51.1 | 15.4 | 4.8 | 0.559** |
 Women | 4646 | 48.9 | 15.4 | 4.7 | |
Work | |||||
 Employed | 5254 | 55.3 | 15.1 a | 4.7 | < 0.001* |
 Seeking work | 348 | 3.7 | 17.0 a | 3.9 | |
 Doing housework | 1492 | 15.7 | 16.6 b | 4.2 | |
 Retired | 1684 | 17.7 | 14.5 c | 5.0 | |
Total sample | 9507 | 100.0 | 15.4 | 4.7 | – |