Unpaid productive activities and loneliness in later life: Results from the Indonesian Family Life Survey (2000-2014).

Introduction: Contributing to society constitutes an essential part of healthy ageing. To date, however, it remains unclear how valuable contributions such as caregiving and volunteering, also described as unpaid productive activities, are related to older adults' loneliness. The present longitudinal study addresses this question in a lower-middle-income country, in Indonesia.