Consumer physical activity tracking device ownership and use among a population-based sample of adults | PLOS ONE
![Kaufe Full Touch Fitness Tracker Gesundheit Blutdruck Smart Armband Armband Wasserdichte Sportuhr | Joom Kaufe Full Touch Fitness Tracker Gesundheit Blutdruck Smart Armband Armband Wasserdichte Sportuhr | Joom](https://img.joomcdn.net/a40a748470437dea90d8aa18e8c9f680d7d7a2db_original.jpeg)
Kaufe Full Touch Fitness Tracker Gesundheit Blutdruck Smart Armband Armband Wasserdichte Sportuhr | Joom
![Fitness Tracker BT6 | Fitnesstracker | Sport & Fitness | Smartwatches & mehr | Jay-tech GmbH - Small products for a great world Fitness Tracker BT6 | Fitnesstracker | Sport & Fitness | Smartwatches & mehr | Jay-tech GmbH - Small products for a great world](https://jaycdn.dbscloud.systems/media/image/38/b5/43/fitness-tracker-bt6-6130-77001487.jpg)
Fitness Tracker BT6 | Fitnesstracker | Sport & Fitness | Smartwatches & mehr | Jay-tech GmbH - Small products for a great world
![EFFECT OF ACTIVITY TRACKERS AND TEXT MESSAGING ON EXERCISE, FITNESS, AND PHYSICAL ACTIVITY SELF-EFFICACY OF MIDDLE SCHOOL STUDENTS | Semantic Scholar EFFECT OF ACTIVITY TRACKERS AND TEXT MESSAGING ON EXERCISE, FITNESS, AND PHYSICAL ACTIVITY SELF-EFFICACY OF MIDDLE SCHOOL STUDENTS | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/0b0738f3d1e74b1189c32305389f5e87ff9042aa/69-Table4.1-1.png)