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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