Formal and informal social participation and elder mistreatment in a national sample of older adults.

In this national cohort, older adults who were frequently engaged in formal social activities reported similar or higher levels of mistreatment than those with less frequent organized social participation. Older women with regular informal contact with family or friends were less likely to report some kinds of mistreatment. Strategies for detecting and mitigating elder mistreatment should consider differences in patterns of formal and informal social participation and their potential contribution to mistreatment risk.