From: Physical activity measured using wearable activity tracking devices associated with gout flares
Wearable tracker compliance classification | Gout flare classification definition | Participants, flare days | Participants, non-flare days | Mean ± SD step count on flare days | Mean ± SD step count on non-flare days | Adjusted difference * (p value) |
---|---|---|---|---|---|---|
Compliant wear with sleep | Single item | Subjects = 25 Total days = 442 | Subjects = 29 Total days = 1791 | 5900 ± 4071 | 6973 ± 5214 | Δ = − 841 (p < 0.0001) |
Compliant wear with sleep + Compliant wear without sleep | Single item | Subjects = 29 Total days = 504 | Subjects = 30 Total days = 1991 | 6171 ± 4096 | 7007 ± 5173 | Δ = − 675 (p = 0.0007) |
All available Fitbit data, ignoring wear pattern | Single item | Subjects = 31 Total days = 666 | Subjects = 30 Total days = 2547 | 5330 ± 4090 | 6236 ± 5032 | Δ = − 472 (p = 0.0121) |
Compliant wear with sleep | Validated | Subjects = 21 Total days = 383 | Subjects = 29 Total days = 1791 | 5930 ± 3983 | 6973 ± 5214 | Δ = − 864 (p < 0.0001) |
Compliant wear with sleep + Compliant without sleep | Validated | Subjects = 24 Total days = 439 | Subjects = 30 Total days = 1991 | 6173 ± 3984 | 7007 ± 5173 | Δ = − 718 (p = 0.0008) |
All available Fitbit data, ignoring wear pattern | Validated | Subjects = 27 Total days = 559 | Subjects = 30 Total days = 2547 | 5482 ± 3977 | 6236 ± 5032 | Δ = − 396 (p = 0.0542) |