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Distribution of rural elderly women according to their sun exposure index and different categories of serum 25(OH)D level (n=236)
| Vitamin D status | Sun exposure index, median (IQR)* |
|---|---|
| Sufficient | 540 (270-1080) |
| Insufficient | 540 (270-1080) |
| Deficient | 270 (90-540) |
| Total | 540 (135-1080) |
*IQR was represented as Q1–Q3. IQR: Interquartile range
