Utilization of a Peer-Based Approach for the Promotion of Physical Activity in Inactive Women

Inclusion Criteria: * Self-identify as female * Age 18-65 years * Speak English or Spanish * Physically able to engage in low-to-moderate PA as assessed by the PA Readiness Questionnaire (PAR-Q), or with medical clearance * Insufficient self-reported moderate-to-vigorous PA (\< 150 minutes/week) * Able to enroll with one eligible adult female partner * Valid home address in the greater Houston area * Have a functioning smartphone and able and willing to send and receive text messages * Willing to use the Fitbit app and device * Blood pressure reading \< 160/100 mm Hg, or with medical clearance Exclusion Criteria: * Pregnancy or considering pregnancy during the study period, self-reported * Currently participating in a program or research study to promote physical activity or weight loss * Plans to move outside the greater Houston area during the study period