关键词: 老龄化；社会联结；综述

Abstract: Social connectedness is a key driving force for health and well-being of older adults. A high level of social connectedness can promote physical and mental health of older adults. This paper reviewed the concept, assessment tools, research status, influencing factors and interventions of social connectedness of older adults, aiming to raise researchers' attention to social connectedness of older adults and provide references for further studies.

Key words: aging of population; social connectedness; review