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Table 2 Horn’s parallel analysis of the five factors exceeding an eigenvalue of 1

From: The General Health Questionnaire-28 (GHQ-28) as an outcome measurement in a randomized controlled trial in a Norwegian stroke population

Component number Actual eigenvalue from the EFA at T1 Criterion value from the parallel analysis Decision
1 7.795 1.589 Accept
2 2.772 1.497 Accept
3 2.302 1.433 Accept
4 1.596 1.381 Accept
5 1.038 1.331 Reject