Table 1.
Socioeconomic characteristics and health-related characteristics of participants
| Variable | Category | N (%a) |
|---|---|---|
| Age(years)b | 50–59 | 1,301(40) |
| 60–69 | 1,433(31) | |
| 70+ | 1,258(29) | |
| Subjective monthly income | Low | 974(24) |
| Middle-low | 1,011(25) | |
| Middle-high | 996(26) | |
| High | 953(25) | |
| Education level | Less than elementary school | 2,723(65) |
| Less than middle school | 543(15) | |
| Less than high school | 545(15) | |
| Graduate of college or higher | 164(4.7) | |
| Body mass index | Underweight | 102(2.2) |
| Normal | 2,394(61) | |
| Obesity | 1,489(37) | |
| Family history of parents with osteoporosis | Yes | 646(16) |
| No | 3,320(84) | |
| Bone mineral density | Normal | 490(13) |
| Osteopenia | 1,910(49) | |
| Osteoporosis | 1,592(38) | |
| Total | 3,992(100) | |
aWeighted percent
bThe mean age participants was 64 ± 0.2 years, Range: 50 ~ 95 years