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Table 2 Item Summary, Internal Consistency Reliability, and Results of Exploratory Factor Analysis for Females (n = 147) and Males (n = 157)

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
Females PLA 1.707 .817 - .770 .691 - 68.4
   Planning for .478 .337 .58 .718 - .824 -
   Interference with .551 .333 .65 .641 - .858 -
   Prevention from .678 .317 .59 .707 - .798 -
Males PLA 1.919 .742 - .711 .653 - 63.2
   Planning for .486 .332 .46 .701 - .796 -
   Interference with .618 .306 .59 .534 - .826 -
   Prevention from .815 .295 .53 .615 - .762 -