Association between steps per day with all-cause mortality among 1181 British men without pre-existing CHD, stroke or heart failure
| Quartile 1 (121–2927) | Quartile 2 (2928–4532) | Quartile 3 (4533–6412) | Quartile 4 (6413–17 781) | Total* | |||||
| Number of participants (n deaths) | 293 (93) | 295 (45) | 299 (39) | 294 (17) | 1181 (194) | ||||
| Person-years | 1281 | 1428 | 1467 | 1470 | 5646 | ||||
| Mortality/1000 person-years | 72.6 | 31.5 | 26.6 | 11.6 | 34.4 | ||||
| HR | 95% CI | HR | 95% CI | HR | 95% CI | HR | 95% CI | ||
| Model 1† | Reference | 0.56 | 0.39 to 0.81 | 0.53 | 0.36 to 0.79 | 0.29 | 0.17 to 0.51 | 0.84 | 0.78 to 0.91 |
| Model 2‡ | Reference | 0.63 | 0.43 to 0.93 | 0.59 | 0.39 to 0.90 | 0.31 | 0.17 to 0.57 | 0.84 | 0.78 to 0.91 |
| Model 3§ | Reference | 0.63 | 0.43 to 0.93 | 0.59 | 0.39 to 0.90 | 0.31 | 0.17 to 0.57 | 0.86 | 0.80 to 0.93 |
*HR for mortality per 1000 steps per day (continuous variable).
†Model 1=age+ region of residence+season of wear+accelerometer wear time.
‡Model 2=model 1+social class+alcohol use+smoking+sleep time+living alone+body mass index.
§Model 3=model 2+mobility disability.
CHD, coronary heart disease.