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Completed

NCT Number: NCT02717663

WalkIT Arizona: Walking Interventions Through Texting

The purpose of this study is to develop adaptive (AI) and micro-incentive (MI) interventions and test them against static (SI) and delayed-incentive (DI) interventions in a 4-arm randomized factorial trial to increase MVPA adoption and maintenance among inactive adults. Using neighborhood walkability and socioeconomic status, participants will be recruited from four neighborhood types: "high walkable/high SES," "high walkable/low SES," "low walkable/high SES," and "low walkable/low SES." We will evaluate synergistic or antagonistic effects of interventions and neighborhood factors on MVPA adoption by 12 months and maintenance by 24 months.

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Key information

Conditions

Physical Activity Behavior Goals Motor Activity

Age range

18 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Arizona State University

Phoenix, Arizona, 85004, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • women and men of all races/ethnicities living in Maricopa County, Arizona

Exclusion criteria

  • Live in one of the eligible neighborhood quadrants in Maricopa County, Arizona
  • Adult men and women between 18 and 60 years old
  • Inactive as screened by the International Physical Activity Questionnaire (IPAQ) short form and confirmed by baseline accelerometer measures
  • No history of heart failure or type 2 diabetes
  • No contraindications to exercise testing or requirement for medically supervised exercise (assessed by Physical Activity Readiness Questionnaire+ (PAR-Q+).
  • Not currently pregnant and not planning to becoming pregnant in the next 2 years
  • Not currently participating in physical activity, diet, or weight loss programs
  • Daily access to a mobile phone with text messaging capabilities or an iOS or Android smartphone
  • Willing to wear a small accelerometer on the wrist daily for 1 year
  • Willing to send and receive 2-3 text messages per day for 1 year
  • Not planning to be outside of Maricopa County for > 30 days consecutively in the next 2 years
  • Not planning to move from their current home in the next 2 years

Treatment and study plan

Adaptive Goals

Behavioral

Prescribed goals change daily based on participant's performance

Static Goals

Behavioral

Prescribed goals remain the same throughout study

Delayed (non-contingent) Incentives

Behavioral

Incentives are provided on bi-monthly basis for participation

Immediate Micro-Incentives

Behavioral

Incentives are provided immediately for each goal attained

Primary outcomes

  1. Change in mean ActiGraph accelerometer-derived moderate-to-vigorous physical activity min/day (MVPA min/day) between study arms.

    Time frame: 12 months

  2. Change in mean ActiGraph accelerometer-derived moderate-to-vigorous physical activity min/day (MVPA min/day) across high walkable (vs. low walkable) neighborhoods by 12 months.

    Time frame: 12 months

  3. Change in mean ActiGraph accelerometer-derived moderate-to-vigorous physical activity min/day (MVPA min/day) across high walkable (vs. low walkable) neighborhoods by 24 months

    Time frame: 24 months

Secondary outcomes

  1. Change in mean fitness (VO2max measured by treadmill test) between study arms.

    Time frame: 12 months

  2. Change in self-reported physical activity measured by the International Physical Activity Questionnaire (IPAQ).

    Time frame: 12 months

Sponsors and collaborators

Lead sponsor

Arizona State University

Other

Collaborators

  • National Cancer Institute (NCI)

Registry information

Official study title

WalkIT: Neighborhood Walkability and Moderation of Adaptive Walking Interventions

Important dates

Study start
2016
Primary completion
2020
Study completion
2020
First posted
Mar 24, 2016
Registry last updated
Oct 28, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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