|
n
|
Average item calibration (logit)
|
SEM
|
Infit statistic
|
Strata
|
Item order in population survey
|
Vigorous activities | 278 | 3.31 | 0.18 | −0.7 | 7 | 10 |
Walking more than a mile | 277 | 0.65 | 0.13 | 0.0 | 6 | 7 |
Moderate activities | 275 | 0.58 | 0.13 | −1.7 | 6 | 5 |
Lifting or carrying groceries | 278 | 0.42 | 0.13 | −0.3 | 5 | 6 |
Climbing several flights of stairs | 277 | 0.40 | 0.13 | 0.5 | 5 | 9 |
Bending, kneeling, or stooping | 279 | −0.29 | 0.13 | −0.5 | 4 | 8 |
Walking half a mile | 276 | −0.48 | 0.13 | −1.7 | 3 | 4 |
Bathing or dressing | 281 | −1.14 | 0.12 | 6.3 | 2 | 2 |
Climbing one flight of stairs | 278 | −1.66 | 0.13 | −2.4 | 1 | 3 |
Walking 100 yards | 272 | −1.80 | 0.13 | −1.6 | 1 | 1 |