|
Fit statistics for PHQ-9 items (collapsed across sample size) for the Rating Scale Model |
|||||||||
| Infit MNSQ |
SE |
Infit t |
SE |
Outfit MNSQ |
SE |
Outfit t |
SE |
||
|
|
|||||||||
| PHQ1 |
1.01 |
0.01 |
0.33 |
0.09 |
1.02 |
0.02 |
0.30 |
0.13 |
|
| PHQ2 |
0.72 |
0.01 |
-4.04 |
0.08 |
0.71 |
0.01 |
-3.36 |
0.07 |
|
| PHQ3 |
1.14 |
0.01 |
2.39 |
0.09 |
1.15 |
0.02 |
2.25 |
0.11 |
|
| PHQ4 |
0.87 |
0.01 |
-2.09 |
0.09 |
0.93 |
0.01 |
-0.82 |
0.09 |
|
| PHQ5 |
1.37 |
0.01 |
4.19 |
0.08 |
1.28 |
0.02 |
2.46 |
0.08 |
|
| PHQ6 |
1.10 |
0.01 |
1.27 |
0.08 |
0.95 |
0.02 |
-0.42 |
0.07 |
|
| PHQ7 |
1.04 |
0.01 |
0.60 |
0.08 |
0.86 |
0.01 |
-1.16 |
0.06 |
|
| PHQ8 |
1.25 |
0.02 |
2.46 |
0.08 |
0.97 |
0.02 |
-0.08 |
0.07 |
|
| PHQ9 |
1.17 |
0.03 |
1.48 |
0.10 |
0.84 |
0.05 |
-0.87 |
0.08 |
|
| Underfit |
>1.30 |
1.00 |
>2 |
3.00 |
>1.30 |
0 |
>2 |
2.00 |
|
| Overfit |
<0.70 |
0 |
<-2 |
2.00 |
<0.70 |
0 |
<-2 |
1.00 |
|
Smith et al. BMC Medical Research Methodology 2008 8:33 doi:10.1186/1471-2288-8-33 |
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