Sit Less, Move More (SLMM) for Pregnant Women

This study is testing an intervention called "Sit Less, Move More" (SLMM) to help pregnant women be more physically active and sit less. SLMM involves health coach sessions, text messages, using a Fitbit activity tracker, and exercising with a partner. The goal is to reach the recommended amount of physical activity during pregnancy. Researchers will measure changes in weekly moderate-intensity physical activity and time spent sitting. You may be able to join if you are 18-45 years old, 8-12 weeks pregnant with one baby, speak English, and currently get less than 150 minutes of moderate physical activity per week. The study aims to enroll 60 participants, but its current status is unclear.

Study design
This is an interventional study with 60 pregnant women. All participants will receive the Sit Less, Move More (SLMM) intervention.
What's involved
You will complete questionnaires, wear an ActiGraph physical activity tracker for two weeks at the beginning, and use a Fitbit activity tracker from 10-14 weeks to 28-32 weeks gestation. You will also participate in health coach sessions and receive text messages.
Compensation
Not stated in the trial record.
Follow-up
Your physical activity and sedentary behavior will be measured at 18-22 weeks and 28-32 weeks gestation.

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NCT07223112

Effectiveness of Interventions to Promote Physical Activity During Pregnancy

Recruiting
NAAges 18–45InterventionalPrevention
University of Central Florida
~60 participants
Updated 2026-08-25 on ClinicalTrials.gov
What's tested:Sit Less, Move More (SLMM) for pregnant women

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Change from first two weeks (baseline) ActiGraph device measured weekly moderate-intensity physical activity in minutes/week and time spent in sedentary behavior in hours per day
Measured over Intervention begins at 10-15 weeks, 6 days gestation; 18-26 weeks gestation ActiGraph measured weekly PA & ST; 28 -36 weeks gestation ActiGraph measured weekly PA & ST; Fitbit measured weekly PA & daily ST measured 10-14 to 28-36 weeks gestation
Pregnancy
Sedentary Behavior
Insufficient Physical Activity
1 sites across 1 states
Florida1
  • Jean W Davis, PhD, DNP, EdD · PRINCIPAL_INVESTIGATOR · University of Central Florida

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  • Change from first two weeks (baseline) ActiGraph device measured weekly moderate-intensity physical activity in minutes/week and time spent in sedentary behavior in hours per dayIntervention begins at 10-15 weeks, 6 days gestation; 18-26 weeks gestation ActiGraph measured weekly PA & ST; 28 -36 weeks gestation ActiGraph measured weekly PA & ST; Fitbit measured weekly PA & daily ST measured 10-14 to 28-36 weeks gestation

    Change from first two weeks moderate-intensity physical activity in minutes per week and sedentary time measures in hours per day, baseline measure by participant blinded ActiGraph at 8 to 15 weeks, 6 days gestation, prior to the intervention beginning with goal of pregnancy recommended moderate-intensity physical activity using CDC talk test of 150 minutes/week measured by Fitbit and sedentary time 8 hours/day or less. The intervention begins at 10 to 18 weeks gestation. ActiGraph device measured change from 8 to 15 weeks, 6 days baseline physical activity and sedentary time as described above is measured again at 20 to 26 weeks gestation, and 30 to 36 weeks gestation in minutes of moderate-intensity physical activity per week and hours of sedentary time per day.