Table 3.

Quantitative ultrasound parameters in groups with different awareness

	BUA (dB/MHz)	SOS (m/sec)
Heard of osteoporosis
Yes	72.46 ± 16.83a,a’	1534.85 ± 30.12a,a’
No	74.22 ± 16.10	1538.43 ± 30.17
Heard of osteoporotic fracture
Yes	73.48 ± 16.85	1536.01 ± 31.60b,b’
No	73.72 ± 16.74	1537.63 ± 29.86
Drinking milk
Yes	73.91 ± 16.70	1537.91 ± 30.53b’
No	73.42 ± 16.82	1536.69 ± 29.81
Taking calcium
Yes	71.90 ± 17.25a	1534.57 ± 30.00a
No	74.02 ± 16.64	1537.86 ± 30.21
Taking vitamin D
Yes	71.57 ± 17.46b	1534.85 ± 29.79b
No	73.84 ± 16.69	1537.52 ± 30.22
Doing physical activity
Yes	73.38 ± 16.61	1536.61 ± 30.16b
No	73.94 ± 16.89	1537.97 ± 30.22

Notes:

^aP < 0.001;

^bP < 0.05;

^a’P < 0.001;

^b’P < 0.05 in model adjusted for sex, age, body mass index, educational background, and a history of osteoporotic fracture.

Abbreviations: BUA, broadband ultrasound attenuation; SOS, speed of sound.