| Summary: | Social networks and loneliness are correlates of life satisfaction in old age. However, the
evidence of the combined effects of social isolation and loneliness on life satisfaction is lacking;
therefore, this study also aimed to investigate the combined effects of social networks and loneliness
on life satisfaction in Malaysian older adults. Data from two waves of the “Neuroprotective Model
for Healthy Longevity among Malaysian Older Adults” study were extracted. The first wave of data
collection was completed in February 2013, while the second wave was conducted three years after
the first wave. The main statistical analysis used was multivariable logistic regression. For individual
effect, social networks (B = 0.375, p = 0.007), but not loneliness (B = −0.178, p = 0.368) significantly
determined life satisfaction. Increasing social network size causes increasing life satisfaction. For
combined effects, those in “the lone farmers” group (B = 0.279, p = 0.044) and “the majority” group
(B = −0.413, p = 0.004) were linked to life satisfaction. Social engagement in older people is important
for wellbeing in later life. Therefore, community programs and investing in a quality relationship
should be encouraged to obtain adequate support and ultimately promote higher life satisfaction.
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