Table 4.
PCC and difference in scores for all MET categories
| 2–2.99 METs | 3–5.99 METs | ≥6 METs | All METs (≥2) | |
|---|---|---|---|---|
| PCC LAPAQ T = 1/T = 2 (95% CI) |
0.58 (0.42–0.72) | 0.79 (0.69–0.88) | 0.75 (0.47–0.87) | 0.68 (0.55–0.80) |
| Mean difference score (SD) (LAPAQ T = 1 minus LAPAQ T = 2) |
309 (1004) | 102 (436) | 23 (258) | 436 (1260) |
| Median difference score (LAPAQ T = 1 minus LAPAQ T = 2) |
70 | 0 | 0 | 248 |
| PCC LAPAQ T = 1/accelerometer (95% CI) | 0.05 (−0.16–0.24) | 0.27 (0.07–0.48) | 0.01 (−0.07−0.25) | 0.25 (0.07–0.44) |
| Mean difference score (SD) (LAPAQ T = 1 minus accelerometer) |
−267 (1423) | −234 (852) | 148 (403) | −354 (1830) |
| Median difference score (LAPAQ T = 1 minus accelerometer) |
−363 | −277 | 0 | −510 |
Abbreviations: PCC, Pearson correlation coefficient; MET, metabolic exercise equivalent; LAPAQ, Longitudinal Ageing Study Amsterdam Physical Activity Questionnaire; SD, standard deviation; T = 1, 2 weeks; T = 2, 4 weeks; CI, confidence interval.