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Table 3 Variances (95%CL) for PP and NP items

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

PP items Variance 95%CL for variance
p5 0.15 0.14, 0.16
p3 0.16 0.16, 0.17
p1 0.19 0.19, 0.20
p6 0.24 0.23, 0.25
p2 0.25 0.24, 0.27
p4 0.26 0.25, 0.27
NP items   
n6 0.43 0.41, 0.45
n3 0.45 0.43, 0.47
n2 0.51 0.48, 0.53
n1 0.52 0.49, 0.54
n5 0.54 0.51, 0.56
n4 0.59 0.56, 0.61