Variables r p Age 0,087 0,278 Sun ray exposure 0,739 0,001* Physical activity 0,338 0,001* Vitamin D intake 0,044 0,587 Calcium serum level -0,005 0,950 Analysis using Pearson’s correlation; significant value: p<0.05 Correlations: weak (r<0.4), moderate (r=0.4-0.6), strong (r>0.6).

Table 3: Correlation Analysis Among 25(OH)D Levels With Other Variables.