Table 3.
The association between serum Vitamin D quartiles and low skeletal muscle mass
| Quartiles of vitamin D levels | Unadjusted Model | Model 1 | Model 2 | Model 3 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OR (95%CI) | P value | OR (95%CI) | P value | OR (95%CI) | P value | OR (95%CI) | P value | ||||
| Q1 (< 8.91) | 1.617 (1.143, 2.287) | 0.007 | 1.457 (1.016,2.090) | 0.041 | 1.433 (1.005,2.071) | 0.047 | 1.720 (1.201,2.674) | 0.016 | |||
| Q2 (8.91 ~ 12.07) | 1.480 (1.041, 2.104) | 0.029 | 1.281 (0.893,1.838) | 0.178 | 1.272 (0.886,1.825) | 0.192 | 1.386 (0.892,2.154) | 0.146 | |||
| Q3 (12.07 ~ 15.74) | 0.959 (0.658, 1.404) | 0.828 | 0.967 (0.655,1.427) | 0.866 | 0.967 (0.655,1.428) | 0.868 | 1.142 (0.710,1.835) | 0.585 | |||
| Q4 (≥ 15.74) | Reference | Reference | Reference | Reference | |||||||
| P for trend | 0.003 | 0.003 | 0.003 | 0.003 | |||||||
Notes: The model 1 adjusted for age, residence, marital status, and educational level; Model 2 adjusted for model 1 and smoking status, drinking status, physical activity; Model 3 adjusted for model 2 and BMI, FM, triglyceride, menopausal status, dietary energy