Table 2 Results of multiple linear regressions of associated factors with vitamin D level conducted by Enter method

age

-0.145

0.803

gender

-0.439

0.117

BMI percentile

0.347

0.291

Puberty

0.870

0.240

Physical activity

0.495

0.147

Sun exposure

-0.852

0820.

Intra uterine fracture

0.087

0.739

courses of Pamidronate injection

-0.575

0.056

fracture episodes during treatment

− 0.198

0.595

Lumbar BMAD

-0.859

0.108

Lumbar z-score

0.820

0.139