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Table 2 Rotated component matrix for exploratory factor analysis

From: The factor structure of the twelve item General Health Questionnaire (GHQ-12): the result of negative phrasing?

Item

Factor 1

Factor 2

n4: Been feeling unhappy and depressed

0.82

0.25

n2: Felt constantly under strain

0.78

0.16

n5: Been losing confidence in self

0.77

0.32

n1: Lost sleep over worry

0.75

0.16

n3: Felt couldn't overcome difficulties

0.75

0.29

n6: Been thinking of self as worthless

0.68

0.34

p3: Felt capable of making decisions

0.10

0.76

p2: Felt playing useful part in things

0.16

0.74

p5: Been able to face problems

0.30

0.69

p4: Able to enjoy day-to-day activities

0.29

0.66

p1: Able to concentrate

0.31

0.64

p6: Been feeling reasonably happy

0.47

0.52