Table 1: The table shows general risk factors for osteoporosis versus RA related risk factors.

General Risk Factors for Osteoporosis	RA Related Osteoporosis Risk Factors
Female sex	Steroids
Age	Systemic inflammation
Early Menopause	Osteoclasts activation
Amenorrhea	Osteoblasts inhibition
Asian or European Ethnicity	Disease activity
Low BMD	Disease duration
Steroids	High titer of rheumatoid factor
Smoke and Alcohol	High titer of ACPA
Vitamin D and Ca2+ deficiency	Inactivity due to joint pain
Prolonged immobilization	–
Low weight	–
Poor visual acuity	–