Table 1 Item responses and item statistics for 10 adult food security items. (1PL, one parameter logistic model; 2PL, two parameter logistic model; SE, standard error).
Item | Number of item responses (3858) | Affirmative (row %) | Item-score correlation | 1PL model Item calibration (SE) | 2PL model Item calibration (SE) | 2PL model Item discrimination parameter (SE) |
|---|---|---|---|---|---|---|
Worried food would run out | 3744 | 1920 (51) | 0.591 | -4.082 (0.019) | -4.230 (0.020) | 0.997 (0.043) |
Couldn't afford balanced meals | 3732 | 1645 (44) | 0.605 | -3.203 (0.017) | -3.237 (0.021) | 0.603 (0.023) |
Food didn't last | 3756 | 1469 (39) | 0.687 | -2.622 (0.021) | -2.685 (0.019) | 1.103 (0.054) |
Adults skip meals | 3766 | 755 (20) | 0.782 | -0.039 (0.027) | -0.148 (0.024) | 1.228 (0.065) |
Eat less than should | 3760 | 794 (21) | 0.781 | -0.254 (0.023) | -0.255 (0.021) | 1.015 (0.045) |
Adults skip meals often | 3741 | 564 (15) | 0.750 | 0.907 (0.032) | 0.911 (0.022) | 1.278 (0.085) |
Hungry but didn't eat | 3756 | 458 (12) | 0.705 | 1.547 (0.028) | 1.634 (0.023) | 0.970 (0.058) |
Lose weight, not enough food | 3680 | 318 (9) | 0.648 | 2.289 (0.031) | 2.504 (0.029) | 0.881 (0.063) |
Did not eat for whole day | 3781 | 340 (9) | 0.625 | 2.434 (0.034) | 2.530 (0.047) | 0.983 (0.081) |
Adult did not eat whole day often | 3777 | 270 (7) | 0.599 | 3.023 (0.042) | 2.975 (0.051) | 1.128 (0.088) |
Mean (SD) | Â | Â | Â | 0.00 (2.53) | 0.00 (2.60) | 1.02 (0.19) |