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December 11, 2025PLoS ONEOpen Access

Psychometric properties of the social isolation and social network scale in community-dwelling older adults: Construct validity, reliability, and sensitivity

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Authors

KPKang-Hyun ParkSHSun Min Ha

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Overview

Psychometric properties reveal strong reliability and valid assessment of social isolation in community-dwelling older adults, suggesting improvements in health interventions.

Key Points

  • To evaluate the psychometric properties of the Social Isolation and Social Network Scale (SISN) in older adults.
  • 350 community-dwelling older adults completed the SISN and Lubben Social Network Scale (LSNS-K).
  • Reliability analysis assessed internal consistency and test-retest stability.
  • Construct validity was evaluated using confirmatory factor analysis.
  • Diagnostic accuracy was analyzed through ROC curve analysis.
  • The SISN demonstrated excellent internal consistency (Cronbach’s α = 0.94).
  • Test-retest reliability was strong (intraclass correlation coefficient = 0.929).
  • Construct validity supported a two-dimensional structure of social isolation and social network.
  • The SISN showed a strong correlation with the LSNS-K (r = 0.785).
  • ROC analysis indicated good discriminative ability (area under the curve = 0.900).

Cite This Study

Park et al. (2025) studied this question.

synapsesocial.com/papers/69401b1e2d562116f28f7672https://doi.org/10.1371/journal.pone.0338522
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