Overall and site-specific sample characteristics in Malawi and USA
| Malawi | US | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) or % | Mean (SD) or % | |||||||||
| All ages† | 15–19 | 20–39 | 40–64 | 65–85 | All ages† | 15–19 | 20–39 | 40–64 | 65–85 | |
| Overall N | 414 | 75 | 198 | 113 | 28 | 3258 | 375 | 674 | 1413 | 796 |
| Age | 35.1 (16.1) | 16.7 (1.5) | 28.9 (5.8) | 49.1 (7.1) | 72.0 (6.2) | 48.6 (19.3) | 15.6 (0.5) | 32.2 (4.8) | 51.0 (6.8) | 73.7 (5.7) |
| Sex, % female | 56.0 | 48.0 | 58.6 | 56.6 | 57.1 | 50.3 | 52.7 | 50.7 | 46.5 | 55.3 |
| Accelerometer wearing hours per day | 14.2 (0.9) | 14.0 (0.9) | 14.2 (0.9) | 14.5 (0.9) | 13.9 (0.9) | 13.6 (1.3) | 13.2 (1.1) | 13.4 (1.3) | 13.8 (1.3) | 13.5 (1.4) |
| Accelerometer wearing days | 13.3 (1.5) | 12.9 (1.8) | 13.2 (1.6) | 13.7 (1.1) | 13.5 (1.6) | 6.3 (1.4) | 5.7 (2.0) | 6.2 (1.5) | 6.4 (1.4) | 6.4 (1.2) |
†Samples in Malawi and the USA differed in age (p<0.001) and sex (p<0.05). The Malawi sample had more wearing days (p<0.001) and hours per wearing day (p<0.001) compared with the USA.