4DSQ-scales | Chi-square | df | p | CFI | TLI | RMSEA | 90 % CI |
---|
Distressa
| 442.41 | 204 | 0.000 | 0.994 | 0.993 | 0.058 | 0.050–0.065 |
Depressionb
| 30.99 | 16 | 0.014 | 0.999 | 0.999 | 0.052 | 0.023–0.079 |
Anxiety | 236.93 | 108 | 0.000 | 0.993 | 0.991 | 0.058 | 0.048–0.068 |
Somatizationc
| 356.90 | 200 | 0.000 | 0.989 | 0.987 | 0.047 | 0.039–0.055 |
- Chi-square = mean and variance adjusted model chi-square statistic
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CFI comparative fit index
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TLI Tucker-Lewis index
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RMSEA root mean square error of approximation
- 90 % CI 90 % confidence interval of the RMSEA
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a residual correlations allowed between item pairs #20-#39 (sleep problems), and #47-#48 (upsetting events)
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b residual correlations allowed between item pairs #33-#46 (suicidal ideation)
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c residual correlations allowed between item pair #15-#16 (thoracic symptoms), and item triplet #9-#12-#13 (gastro-intestinal symptoms)