Table 2 Item location and fit statistics
Item | Location (SE) in logits | Residual | DF | ChiSq (9 df) | p-value |
|---|---|---|---|---|---|
1 Getting on and off the toilet | 2.30 (0.08) | 0.16 | 681.78 | 13.67 | 0.13 |
2 Open car doors | 2.00 (0.08) | 0.14 | 680.89 | 5.87 | 0.75 |
3 Stand up from straight chair | 0.89 (0.07) | 0.37 | 684.47 | 12.27 | 0.20 |
4 Walk outdoors on flat ground | 0.91 (0.07) | 1.78 | 683.57 | 13.33 | 0.15 |
5 Wait in line for 15 min | −0.25 (0.06) | 1.88 | 675.52 | 11.62 | 0.24 |
6 Reach and get down a 5 lb. object | −0.33 (0.06) | 0.11 | 679.10 | 6.49 | 0.69 |
7 Go up 2 or more flights of stairs | −0.44 (0.06) | −2.67 | 675.52 | 18.72 | 0.03 |
8 Do outside work | −1.21 (0.06) | − 1.61 | 676.42 | 18.22 | 0.03 |
9 Lift heavy objects | −1.83 (0.06) | −4.02 | 687.15 | 14.99 | 0.09 |
10 Move heavy objects | −2.05 (0.06) | − 2.21 | 683.57 | 7.26 | 0.61 |