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Table 1 Exploratory factor analysis factor loadings for the GHQ-12 items with one and two factors, including orthogonal (varimax) and oblique (geomin) rotation

From: Positive versus negative mental health in emerging adulthood: a national cross-sectional survey

  

Orthogonal

Oblique

Item

One factor

Factor 1

Factor 2

Factor 1

Factor 2

GHQ 1: Have you recently been able to concentrate on daily tasks? (pos)

−.676

.562

−.434

.556

−.211

GHQ 2: Have you recently been able to enjoy your normal day-to-day activities? (pos)

−.653

.692

−.311

.764

.007

GHQ 3: Have you recently lost much sleep due to worrying? (neg)

.625

−.170

.646

.016

.678

GHQ 4: Have you recently been able to face up to your problems? (pos)

−.614

.647

−.309

.707

−.015

GHQ 5: Have you recently felt that you were playing a useful part in things? (pos)

−.544

.647

−.205

.744

.109

GHQ 6: Have you recently been feeling unhappy or depressed? (neg)

.823

−.334

.768

−.148

.733

GHQ 7: Have you recently felt capable of making decisions about things? (pos)

−.595

.625

−.291

.686

−.006

GHQ 8: Have you recently been losing confidence in yourself? (neg)

.868

−.264

.848

−.032

.867

GHQ 9: Have you recently felt yourself to be constantly under strain? (neg)

.696

−.159

.736

.061

.791

GHQ 10: Have you recently been thinking of yourself as a worthless person? (neg)

.862

−.236

.859

.008

.896

GHQ 11: Have you recently felt that you couldn’t overcome your difficulties? (neg)

.797

−.285

.768

−.086

.761

GHQ 12: Have you recently been feeling reasonably happy, all things considered? (pos)

−.657

.545

−.430

.535

−.215

χ2

43183

9255

9255

Df

54

43

43

CFI

.913

.981

.981

TLI

.894

.972

.972

RMSEA

.139

.072

.072

  1. CFI, comparative fit index; Df, TLI, Tucker–Lewis index; RMSEA, root-mean-square error of approximation.
  2. Model fit at the bottom.