Here you find the numbers from the studies cited in our articles. Our own measurements and comparisons of watches and sensors will follow.
Numbers from the studies
| Topic | What the review found | Article |
|---|---|---|
| Steps per day | 7,000 steps versus 2,000: 47% lower risk of death from any cause | → |
| Weight and waist | Older adults on average 1.76 kg lighter and 2.21 cm smaller waist (22 studies) | → |
| Heart rate from a watch | Wrist-sensor error 6.60 beats/min in Nordic Walking, 3.68 in ordinary walking | → |
| Talk test | 10 studies, 414 people: comfortable speech matches the first ventilatory threshold | → |
| Seniors | 15 studies, ages 60 to 92: aerobic fitness (effect 0.92), but standing balance −0.72 | → |
| Heart failure | 4 studies, 282 people: oxygen uptake 2.18 ml/kg/min more, six-minute walk 16.51 m more | → |
| Exercise in green space | 15 trials, 980 adults: moderate beneficial effect on mental health (−0.40) | → |
| Walking and sleep | 21 trials, 1,707 people: better subjective sleep (−0.76), certainty of evidence very low | → |
| Neck and shoulders | 34 women, 10 weeks of 30 minutes twice a week: pain fell similarly to strength training | → |
| Hip | 8 trials, 468 people: better rising, stairs and walking | → |
| Parkinson's disease | 12 trials: walking improved, other changes were not clinically meaningful | → |
