Table 2 Spearman rho correlations between the actigraph accelerometer and the International Physical Activity Questionnaire-Short Form (IPAQ-SF)
N | Accelerometer (mins/day) | N | IPAQ-SF (mins/day) | Spearman’s rho correlation | ||
|---|---|---|---|---|---|---|
Moderate-vigorous physical activity | ||||||
3+ valid days | 49 | Mean (SD) | 40 (31) | 37 | 43 (38) | 0.45 |
Median (25th% - 75th%) | 35 (20–54) | 30 (11–69) | ||||
4+ valid days | 39 | Mean (SD) | 42 (31) | 29 | 45 (38) | 0.46 |
Median (25th% - 75th%) | 36 (22–54) | 30 (16–69) | ||||
Sedentary time (mins/weekday) | ||||||
3+ valid days | 38 | Mean (SD) Median (25th% - 75th%) | 444 (393–550) 474 (119) | 34 | 600 (360–840) 611 (321) | 0.33 |
4+ valid days | 29 | Mean (SD) Median (25th% - 75th%) | 481 (110) 440 (410–536) | 27 | 598 (321) 540 (360–840) | 0.29 |