Table 2 Item responses and item statistics for eight child food security items. (1PL, one parameter logistic model; 2PL, two parameter logistic model; SE, standard error).
Item | Number of responses (3858) | Affirmative (row %) | Item-score correlation | 1PL model Item calibration (SE) | 2PL model Item calibration (SE) | 2PL model Item discrimination parameter (SE) |
|---|---|---|---|---|---|---|
Few kinds cheaper foods for children | 3735 | 1431 (38) | 0.617 | -3.715 (0.025) | -3.688 (0.025) | 0.999 (0.049) |
Couldn't feed children balanced meals | 3753 | 1357 (36) | 0.639 | -3.423 (0.024) | -3.358 (0.026) | 1.162 (0.079) |
Our children not eating enough | 3756 | 721 (19) | 0.729 | -1.275 (0.021) | -1.162 (0.023) | 0.874 (0.051) |
Cut size children's meals | 3745 | 393 (10) | 0.681 | 0.837 (0.032) | 0.873 (0.032) | 0.862 (0.045) |
Children hungry couldn't afford food | 3755 | 372 (10) | 0.721 | 0.998 (0.036) | 0.842 (0.029) | 1.097 (0.063) |
Children skip meals | 3768 | 331 (9) | 0.714 | 1.428 (0.042) | 1.276 (0.035) | 1.112 (0.079) |
Children skip meals often | 3751 | 251 (7) | 0.663 | 2.061 (0.046) | 1.874 (0.036) | 1.173 (0.107) |
Children didn't eat whole day | 3767 | 165 (4) | 0.514 | 3.088 (0.039) | 3.345 (0.064) | 0.798 (0.080) |
Mean (SD) | Â | Â | Â | 0.00 (2.53) | 0.00 (2.51) | 1.01 (0.15) |