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Table 1 Principal component analysis of the five items in the EDS-5 questionnaire

From: Associations between symptoms of eating disturbance and frequency of physical activity in a non-clinical, population-based sample of adolescents

  Factor loadings on 1 component
Girls (n = 5266) Boys (n = 4611)
EDS Item 1 0.68 0.35
EDS Item 2 0.60 0.71
EDS Item 3 0.84 0.82
EDS Item 4 0.67 0.71
EDS Item 5 0.79 0.71
Total variance accounted for by component 51.8 46.0
  1. Eigenvalue for 1 factor: 2.59 for girls, 2.30 for boys