Description of the responding researchers, n (%)
| n=116 | |
| Experience with accelerometer data | |
| Interpretation only | 21 (18.1) |
| Interpretation and data preprocessing | 13 (11.2) |
| Interpretation, (data preprocessing) and data analysis | 82 (70.7) |
| Studied populations | |
| Only children and adolescents (0–17 years) | 28 (24.8) |
| Only adults (18–64 years) | 16 (14.2) |
| Only older adults (≥65 years) | 15 (13.3) |
| Children and adolescents (0–17 years)+adults (18–64 years) | 13 (11.5) |
| Children and adolescents (0–17 years)+older adults (≥65 years) | 3 (2.7) |
| Adults (18–64 years)+older adults (≥65 years) | 23 (20.4) |
| All three age groups | 15 (13.3) |
| Purpose of measurement | |
| Outcome only | 69 (59.5) |
| Exposure or confounder only | 12 (10.3) |
| Outcome and exposure/confounder | 31 (26.7) |
| Other | 4 (3.4) |
| Accelerometer placement (multiple answers) | |
| Hip | 69 (59.5) |
| Wrist | 54 (46.6) |
| Thigh | 21 (18.1) |
| Ankle | 11 (9.5) |
| Other placements | 17 (14.7) |
| Accelerometer brand (multiple answers) | |
| ActiGraph | 78 (67.2) |
| activPAL | 18 (15.5) |
| Axivity | 14 (12.1) |
| GENEActiv | 14 (12.1) |
| SenseWear | 7 (6.0) |
| Other devices | 26 (22.4) |
| Software used | |
| Shelf software | 82 (73.2%) |
| Of these (multiple answers)… | |
| …ActiLife | 51 (62.2%) |
| …R package GGIR | 17 (20.7%) |
| Own software implementations | 30 (26.8%) |