Frailty in older adults is an increasing burden for public health, both globally as well as in The Netherlands. To focus on frailty prevention from a public health perspective, a clear understanding of frailty prevalence is needed.

Rationale: The number of obese older adults with diabetes type 2 is increasing worldwide. Weight loss treatment in this group seems beneficial for cardio-metabolic and other health outcomes, but it might reduce muscle mass and bone mineral density (BMD). The association between obesity and BMD is controversial, …