Mean (SEM) item calibrations and strata for PF-10 based on the third Oxford health and lifestyles survey (OHLS III, n=8853)
| n |
Average item calibration (logit) | SEM | Infit statistic | Strata | |
| Vigorous activities | 5332 | 3.98 | 0.03 | 0.3 | 9 |
| Climbing several flights of stairs | 5339 | 1.19 | 0.03 | 1.6 | 8 |
| Bending, kneeling, or stooping | 5340 | 0.97 | 0.03 | 7.1 | 7 |
| Walking more than a mile | 5345 | 0.32 | 0.04 | 0.7 | 6 |
| Lifting or carrying groceries | 5349 | 0.10 | 0.04 | 1.7 | 5 |
| Moderate activities | 5352 | −0.17 | 0.04 | −4.6 | 4 |
| Walking half a mile | 5318 | −0.96 | 0.05 | −5.1 | 3 |
| Climbing one flight of stairs | 5319 | −1.30 | 0.05 | −4.4 | 2 |
| Bathing or dressing | 5355 | −2.03 | 0.06 | 9.9 | 1 |
| Walking 100 yards | 5314 | −2.11 | 0.06 | 2.2 | 1 |