Table 3.
Minutes per day of moderate to vigorous physical activity (MVPA) based on accelerometry, for the sample data of 114 older women analyzed with the different cut-points identified by a review of the available literature
| MVPA cut-point (counts/minute) | Median minutes/day (IQR) | % (95 % CI) who met criteriaa | Mean Difference (SD) | +/− 1.96 | Median bouted min/day (IQR) | Mean Difference (SD) | +/− 1.96 |
|---|---|---|---|---|---|---|---|
| ≥574 | 80.1 (56.9 to 117.3) | 94.7 (91.6 to 98.8) | 63.75 (29.18) | 57.19 | 24.3 (6.6 to 46.4) | 15.59 (14.69) | 28.80 |
| ≥760 | 61.8 (39.9 to 88.6) | 85.1 (78.5 to 91.6) | 42.35 (21.26) | 41.66 | 17.7 (5.1 to 36.9) | 9.92 (9.64) | 18.90 |
| ≥1041 | 43.1 (25.5 to 62.0) | 64.0 (55.2 to 72.8) | 23.37 (12.88) | 25.25 | 13.9 (2.7 to 31.3) | 5.84 (6.27) | 12.29 |
| ≥1566 | 27.3 (11.7 to 44.8) | 44.7 (35.6 to 53.9) | 6.50 (4.00) | 7.85 | 10.5 (0 to 26.4) | 2.28 (3.02) | 5.92 |
| ≥1952 | 19.7 (6.9 to 35.8) | 33.3 (24.7 to 41.9) | Reference | Reference | 7.4 (0 to 23.5) | Reference | Reference |
| ≥2000 | 19.4 (6.6 to 34.8 | 31.6 (23.05 to 40.1) | −0.59 (0.48) | 0.94 | 7.1 (0 to 22.9) | −0.29 (0.76) | 1.49 |
| ≥2020 | 19.1 (6.6 to 34.6) | 31.6 (23.05 to 40.1) | −0.88 (0.69) | 1.35 | 7.1 (0 to 22.9) | −0.40 (0.90) | 1.77 |
| ≥3250 | 3.6 (0.4 to 12.9) | 4.4 (0.6 to 8.1) | −15.47 (14.09) | 27.61 | 0 (0 to 7.1) | −9.35 (13.38) | 26.22 |
The table includes median minutes of MVPA/day and mean difference (SD +/− 1.96) of different cut-points compared with the mostly frequently used cut-point (≥1,952 counts/min) based on the results from Bland-Altman methods
aRecommended minimum of 30 min average MVPA per day