A Cross-Sectional Study of the Association between Autoantibodies and Qualitative Ultrasound Index of Bone in an Elderly Sample without Clinical Autoimmune Disease
Table 5
Effect of covariates on QUS index.
Variable
Coefficient
95% confidence interval
Age
−0.01
−0.02; −0.004
0.006
Gender
0.32
0.20; 0.44
0.000
PA (step count)
0.00
0.00; 0.00
0.285
TARFS
0.01
0.00; 0.02
0.034
Antidepressants
0.06
−0.15; 0.27
0.582
Inhaled steroids
−0.16
−0.47; 0.15
0.304
Antiepileptics
−0.57
−1.33; 0.19
0.145
Vitamin D
−0.59
−1.098; −0.073
0.025
Calcium
−0.35
−0.55; −0.15
0.001
Smoking class “ever”
0.13
0.00; 0.26
0.050
Smoking class “never”
Ref
—
—
Smoking class “now”
−0.36
−0.60; −0.12
0.003
BMI < 18.5 “underweight”
−0.59
−1.52; 0.34
0.215
18.5 ≤ BMI < 25 “normal”
Ref
—
—
25 ≤ BMI< 30 “overweight”
0.33
0.17; 0.49
0.000
BMI ≥ 30 “obese”
0.48
0.31; 0.65
0.000
PA: physical activity; TARFS: Total Australian Recommended Food Score.
