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Table 2 Item means, variance and distance between item thresholds for the GHQ-12

From: A Rasch and confirmatory factor analysis of the General Health Questionnaire (GHQ) - 12

Item: Mean Variance Distance between item thresholds:
Positive    1 2 3
Q1 1.37 0.438 -4.37 5.20 2.71
Q3 1.28 0.463 -4.05 5.09 1.97
Q4 1.14 0.287 -4.92 6.39 1.98
Q7 1.51 0.566 -3.73 4.37 2.45
Q8 1.12 0.277 -4.91 6.31 2.11
Q12 1.20 0.405 -4.23 5.45 1.79
Negative      
Q2 1.00 0.686 -2.60 2.90 2.00
Q5 1.22 0.650 -2.91 2.87 2.99
Q6 0.95 0.546 -3.11 3.61 2.12
Q9 1.12 0.790 -2.29 2.09 2.69
Q10 0.84 0.696 -2.28 2.27 2.30
Q11 0.24 0.492 2.46 -6.11 4.84
Q11* 0.14 0.166 -1.28 2.56