A Mobile Health Team Challenge to Promote Stepping and Stair Climbing Activities: Exploratory Feasibility Study.

Background: Mobile health (mHealth) approaches are growing in popularity as a means of addressing low levels of physical activity (PA).

Objective: This study aimed to determine the validity of wearables in measuring step count and floor count per day and assess the feasibility and effects of a 6-week team challenge intervention delivered through smartphone apps.

Methods: Staff and students from a public university were recruited between 2015 and 2016.