Table 4 Test for differential item functioning by ethnicity.
From: Reliability and validity of a short form household food security scale in a Caribbean community
| Â | Afro-Trinidadian | Indo-Trinidadian | Mixed |
|---|---|---|---|
Mean threshold | 0.773 | 1.162 | 1.133 |
Adjustment | 0.000 | 0.389 | 0.360 |
Adjusted threshold estimates from differential item function model | |||
3 'Balanced meal' | 0.346 (0.081) | -0.010 (0.077) | 0.032 (0.073) |
2 'Food last' | 0.553 (0.075) | 0.614 (0.083) | 0.471 (0.047) |
5 'Skip meal' | 0.642 (0.081) | 0.743 (0.121) | 0.630 (0.058) |
8 'How often' | 0.879 (0.113) | 0.839 (0.144) | 0.980 (0.079) |
7 'Eat less' | 0.730 (0.062) | 0.941 (0.171) | 1.095 (0.088) |
10 'Hungry' | 1.486 (0.112) | 1.510 (0.166) | 1.428(0.072) |