Table 3.
Longitudinal Association over a Mean of 4.5 Years Between Hydroxyvitamin D Status Change and Weight Change, by Weight Change Category
| n (%) | Weight change, lbs Mean (SE) | Weight change, % Mean (SE) | p valuea | |
|---|---|---|---|---|
| Lossb | ||||
| Persistent 25(OH)D ≥30 ng/mL or 25(OH)D increase to ≥30 ng/mL by follow-up | 85 (32.4) | −14.36 (0.77) | −9.6 (0.5) | 0.06 |
| Persistent 25(OH)D <30 ng/mL or 25(OH)D decrease to <30 ng/mL by follow-up | 177 (67.6) | −16.15 (0.57) | −10.7 (0.4) | |
| Gainc | ||||
| Persistent 25(OH)D ≥30 ng/mL or 25(OH)D increase to ≥30 ng/mL by follow-up | 42 (30.2) | 14.81 (1.31) | 10.6 (0.9) | 0.04 |
| Persistent 25(OH)D <30 ng/mL or 25(OH)D decrease to <30 ng/mL by follow-up | 97 (69.8) | 16.34 (1.08) | 11.9 (0.8) | |
a
p value is for comparison of percent weight change.
b
Adjusted for baseline weight, age, season, follow-up years, and functional status.
c
Adjusted for baseline weight, age, season, follow-up years, history of diabetes, and smoking status.