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Summary
This summary is machine-generated.

The factor structure of the Medical Outcomes Study Social Support Survey (MOS-SSS) depends on the analysis method. Confirmatory factor analysis (CFA) supported a four-factor structure, while exploratory factor analysis (EFA) suggested a two-factor structure in people with HIV/AIDS.

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Area of Science:

  • Psychometrics
  • Health Services Research
  • Social Science Research

Background:

  • The Medical Outcomes Study Social Support Survey (MOS-SSS) is a widely used instrument to measure social support.
  • Understanding the factor structure of the MOS-SSS is crucial for accurate interpretation of its results, especially in specific populations like people living with HIV/AIDS.
  • Previous research has primarily assumed a four-factor structure for the MOS-SSS.

Purpose of the Study:

  • To evaluate and compare the factor structure of the MOS-SSS using confirmatory factor analysis (CFA) and exploratory factor analysis (EFA).
  • To examine the factor structure in two distinct samples of people living with HIV/AIDS in China.
  • To determine the impact of analytical methods on the MOS-SSS factor structure.

Main Methods:

  • Secondary analysis of data from two comparable samples (N=320) of people living with HIV/AIDS in China.
  • Confirmatory factor analysis (CFA) was performed on the original four-factor structure for both samples.
  • Exploratory factor analysis (EFA) was conducted to explore alternative factor structures, followed by CFA for model comparison.

Main Results:

  • Confirmatory factor analysis (CFA) supported the original four-factor structure in both samples.
  • Exploratory factor analysis (EFA) consistently yielded a two-factor solution across both samples.
  • Both the four-factor and two-factor structures demonstrated acceptable model fit, with the four-factor model showing a slightly better fit.

Conclusions:

  • The factor structure of the MOS-SSS is method-dependent, with CFA favoring a four-factor structure and EFA favoring a two-factor structure.
  • Researchers should carefully select analytical methods when applying the MOS-SSS to diverse samples.
  • The choice of factor structure should align with the theoretical model and the specific research context.