Table 1.
Basic characteristics of participants and awareness of osteoporosis
| n (%) | Heard of osteoporosis (%) | Heard of osteoporotic fracture (%) | Drinking milk (%) | Taking calcium (%) | Taking vitamin D (%) | Doing physical activity (%) | BUA (dB/MHz) (mean ± SD) | SOS (m/sec) (mean ± SD) | |
|---|---|---|---|---|---|---|---|---|---|
| Total | 9049 (100) | 30.7 | 18.5 | 52.9 | 16.0 | 7.1 | 47.2 | 73.68 ± 16.76 | 1537.33 ± 30.20 |
| Sex | |||||||||
| Male | 3058 (33.8) | 28.5a | 18.1 | 51.1b | 9.8a | 4.6a | 47.5 | 76.39 ± 15.93a | 1540.88 ± 30.31a |
| Female | 5991 (66.2) | 31.9 | 18.6 | 53.8 | 19.2 | 8.4 | 47.0 | 72.30 ± 17.00 | 1535.52 ± 29.98 |
| Postmenopausal | |||||||||
| No | 1186 (13.1) | 33.2 | 22.5a | 59.4a | 13.4a | 5.1a | 45.1 | 79.15 ± 15.41a | 1549.57 ± 28.21a |
| Yes | 4805 (53.1) | 31.6 | 17.7 | 52.4 | 20.6 | 9.3 | 47.5 | 70.60 ± 16.95 | 1532.05 ± 29.39 |
| Age (years) | |||||||||
| 40–49 | 1885 (20.8) | 29.6b | 20.3b | 52.1a | 10.6a | 5.0a | 40.4a | 77.59 ± 15.13a | 1545.34 ± 27.67a |
| 50–59 | 3232 (35.7) | 29.0 | 18.0 | 51.1 | 15.0 | 6.7 | 45.5 | 74.74 ± 16.42 | 1539.52 ± 29.92 |
| 60–69 | 2758 (30.5) | 32.7 | 18.7 | 52.6 | 18.1 | 7.9 | 51.2 | 71.42 ± 16.97 | 1532.56 ± 29.77 |
| ≥70 | 1171 (12.9) | 32.9 | 16.2 | 59.7 | 25.5 | 10.0 | 53.3 | 69.78 ± 18.00 | 1529.67 ± 32.34 |
| Educational background | |||||||||
| Illiteracy | 403 (4.6) | 24.3a | 17.6b | 35.2a | 9.7a | 3.5a | 42.4a | 71.27 ± 17.72a | 1534.09 ± 30.59a |
| Primacy | 758 (8.6) | 29.6 | 17.9 | 44.2 | 8.6 | 3.3 | 42.6 | 71.03 ± 17.63 | 1532.58 ± 34.63 |
| Junior | 2356 (26.7) | 28.3 | 17.5 | 48.6 | 11.2 | 4.2 | 44.4 | 72.72 ± 16.89 | 1535.88 ± 28.58 |
| Senior | 3233 (36.3) | 30.5 | 17.5 | 54.5 | 16.5 | 7.4 | 47.9 | 74.15 ± 16.41 | 1538.01 ± 31.01 |
| University | 2076 (23.5) | 37.4 | 22.6 | 63.8 | 25.7 | 12.8 | 54.4 | 75.41 ± 16.45 | 1540.28 ± 28.65 |
| With osteoporotic fracture | |||||||||
| Yes | 803 (8.9) | 43.8a | 21.7b | 55.3 | 36.5a | 17.9a | 61.0a | 68.22 ± 17.10a | 1527.25 ± 30.24a |
| No | 8246 (91.1) | 29.5 | 18.2 | 52.6 | 14.0 | 6.1 | 45.8 | 74.21 ± 16.63 | 1538.31 ± 30.12 |
Notes:
a
P < 0.001;
b
P < 0.05.
Abbreviations: BUA, broadband ultrasound attenuation; SOS, speed of sound; SD, standard deviation.