Skip to main content
. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: J Am Geriatr Soc. 2011 Sep 21;59(10):1793–1801. doi: 10.1111/j.1532-5415.2011.03601.x

Table 3.

25-Hydroxyvitamin D (25[OH]D) Status and Muscle Strength (LS Means ± SE): CHS All Stars

25(OH)D
<20 ng/mL 20–<30 ng/mL ≥30 ng/mL P for trend
Absolute grip strength (Kg)
 N 295 348 324
 Model 1 24.8 ± 0.4 25.0 ± 0.4 25.2 ± 0.4 0.46
 Model 2 25.4 ± 0.6 25.4 ± 0.6 25.6 ± 0.6 0.62
Grip strength adjusted for body size (Kg)
 N 295 348 324
 Model 1 23.2 ± 0.4 † 23.9 ± 0.4 * 25.0 ± 0.5 <0.001
 Model 2 24.7 ± 0.6 * 25.1 ± 0.6 26.0 ± 0.6 0.02
Absolute knee extensor strength (Nm)
 N 262 308 292
 Model 1 71.9 ± 1.9 73.9 ± 1.9 72.8 ± 2.0 0.73
 Model 2 72.3 ± 2.6 74.2 ± 2.5 73.0 ± 2.6 0.77
Knee extensor strength adjusted for body size (Nm)
 N 262 308 292
 Model 1 67.0 ± 1.9 * 70.7 ± 1.9 72.9 ± 2.0 0.02
 Model 2 70.2 ± 2.6 72.9 ± 2.5 73.9 ± 2.6 0.12

Model 1 adjusted for age, gender, race, education, field center, and season.

Model 2 adjusted for variables in model 1 plus BMI status (for absolute strength only), walking for physical activity, smoking, alcohol use, creatinine, depression, cognition, diabetes, osteoporosis, and cardiovascular disease.

*

= p<0.05,

†

= p<0.001 from 25(OH)D ≥30 ng/mL.