Get a Grip on Factors Related to Grip Strength in Persons With Hand Osteoarthritis: Results From an Observational Cohort Study.

Individuals with hand OA have lower grip strength than the general population. Our results support the idea that studies on thumb base OA should include grip strength as an outcome measure. However, other biopsychosocial factors should also be considered when the grip strength is being interpreted, because other factors such as sex, socioeconomic factors, physical fitness, and comorbidities are negatively associated with grip strength.