Loneliness has been described as an epidemic and is one of the most pressing public health concerns in Australia and internationally.1,2 In contrast to social isolation, which is an objective measure of social interactions and relationships, loneliness is defined as a subjective experience where one perceives a discrepancy between desired and actual social relationships in terms of quality or quantity.3 Although it is common and natural to feel lonely at times, prolonged and intense periods of loneliness have been linked to adverse health outcomes.4 Older adults are more prone to loneliness and social isolation compared with other age groups.5 Reasons for this include significant life transitions and events, such as retiring from work, increased financial difficulties, loss of friends and widowhood, changes in living arrangements (eg, transitioning to residential aged care), increase in solitary living, and a decline in both health and independence.5,6 Older people at particular risk of loneliness include those living on low incomes, living with a disability, living in rural areas or with housing stress, who are single, childless or living alone, who are vulnerable or at risk of elder abuse, and those with low levels of literacy or communication technology skills (Box).7 A growing body of evidence has highlighted the significant health burden associated with loneliness, with more recent studies also suggesting that loneliness has become an economic problem due to an increase in service use and demand for institutional care. This development requires both effective and cost‐effective strategies to tackle loneliness.11,12
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