Rationale, design, and baseline characteristics of WalkIT Arizona: A factorial randomized trial testing adaptive goals and financial reinforcement to increase walking across higher and lower walkable neighborhoods.
Adaptive interventions
Built environment
Financial incentives
Physical activity
Rewards
Journal
Contemporary clinical trials
ISSN: 1559-2030
Titre abrégé: Contemp Clin Trials
Pays: United States
ID NLM: 101242342
Informations de publication
Date de publication:
06 2019
06 2019
Historique:
received:
27
02
2019
revised:
19
04
2019
accepted:
02
05
2019
pubmed:
8
5
2019
medline:
4
9
2020
entrez:
8
5
2019
Statut:
ppublish
Résumé
Little change over the decades has been seen in adults meeting moderate-to-vigorous physical activity (MVPA) guidelines. Numerous individual-level interventions to increase MVPA have been designed, mostly static interventions without consideration for neighborhood context. Recent technologies make adaptive interventions for MVPA feasible. Unlike static interventions, adaptive intervention components (e.g., goal setting) adjust frequently to an individual's performance. Such technologies also allow for more precise delivery of "smaller, sooner incentives" that may result in greater MVPA than "larger, later incentives". Combined, these factors could enhance MVPA adoption. Additionally, a central tenet of ecological models is that MVPA is sensitive to neighborhood environment design; lower-walkable neighborhoods constrain MVPA adoption and maintenance, limiting the effects of individual-level interventions. Higher-walkable neighborhoods are hypothesized to enhance MVPA interventions. Few prospective studies have addressed this premise. This report describes the rationale, design, intervention components, and baseline sample of a study testing individual-level adaptive goal-setting and incentive interventions for MVPA adoption and maintenance over 2 years among adults from neighborhoods known to vary in neighborhood walkability. We scaled these evidenced-based interventions and tested them against static-goal-setting and delayed-incentive comparisons in a 2 × 2 factorial randomized trial to increase MVPA among 512 healthy insufficiently-active adults. Participants (64.3% female, M age = 45.5 ± 9.1 years, M BMI = 33.9 ± 7.3 kg/m
Identifiants
pubmed: 31063868
pii: S1551-7144(19)30136-3
doi: 10.1016/j.cct.2019.05.001
pmc: PMC6544173
mid: NIHMS1529741
pii:
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
87-101Subventions
Organisme : NCI NIH HHS
ID : R01 CA198915
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.
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