Table 1

Fit indices for all models and scoring methods

Model

H0 χ2 (DF)

χ2 (DF)

NFI

CFI

RMSEA (90% CLs)

BIC

AIC

CAIC

ECVI


Likert method: all items (0-1-2-3)

1. One dimension

20520.61 (66)

3161.52 (54)

0.85

0.85

0.13 (0.12, 0.13)

3358.74

3209.52

3382.74

0.87

2. Three dimensions

20520.61 (66)

1061.74 (51)

0.95

0.95

0.07 (0.07, 0.07)

1283.61

1115.74

1310.61

0.30

3. Response bias

20520.61 (66)

713.26 (39)

0.97

0.97

0.07 (0.06, 0.07)

1033.74

791.26

1072.74

0.21

GHQ method: all items (0-0-1-1)

1. One dimension

19497.47 (66)

1487.90 (54)

0.92

0.93

0.09 (0.08, 0.09)

1685.12

1535.90

1709.12

0.42

2. Three dimensions

19497.47 (66)

1162.49 (51)

0.94

0.94

0.08 (0.07, 0.08)

1384.36

1216.49

1411.36

0.33

3. Response bias

19497.47 (66)

869.10 (39)

0.96

0.96

0.08 (0.07,0.08)

1189.58

947.10

1228.58

0.26

C-GHQ method: PP items (0-0-1-1), NP items (0-1-1-1)

1. One dimension

11954.89 (66)

4006.40 (54)

0.68

0.68

0.16 (0.15, 0.16)

4203.62

5102.66

5275.88

1.38

2. Three dimensions

11954.89 (66)

916.14 (51)

0.95

0.95

0.07 (0.06, 0.07)

1138.01

917.40

1112.27

0.25

3. Response bias

11954.89 (66)

569.00 (39)

0.97

0.97

0.05 (0.05,0.06)

889.48

524.84

806.33

0.14


Hankins BMC Public Health 2008 8:355   doi:10.1186/1471-2458-8-355

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