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Table 3 Item Summary, Internal Consistency Reliability, and Results of Exploratory Factor Analysis for Black Americans (n = 69) and White Americans (n = 177)

From: Reliability and construct validity of the Participation in Life Activities Scale for children and adolescents with asthma: an instrument evaluation study

    Internal Consistence Reliability Factor Analysis Principal Components
  M SD Item to Total Correlation Scale Alpha & if Item Deleted KMO Sampling Adequacy Rescaled Factor Loading (PC) Rescaled Amount of Variance Explained
Black PLA 1.737 .914 - .823 .704 - 73.8
   Planning for .491 .362 .62 .814 - .828 -
   Interference with .549 .336 .72 .716 - .867 -
   Prevention from .696 .366 .70 .730 - .883 -
White PLA 1.929 .716 - .685 .646 - 60.7
   Planning for .495 .334 .49 .601 - .851 -
   Interference with .636 .301 .57 .497 - .818 -
   Prevention from .798 .277 .44 .658 - .665 -