Evaluation of a Walking School Bus Program

NCT ID: NCT01626807

Last Updated: 2017-04-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

838 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-12-31

Study Completion Date

2016-12-31

Brief Summary

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Just two generations ago, walking or bicycling to school was the norm for a substantial number of US children, e.g. 48% of children walked or biked to school in 1969 versus only 13% in 2009. This decline occurred in the same timeframe as the childhood obesity epidemic, which is at record high levels in the US and affects low-income and ethnic minority children the most. This project will test "the walking school bus" (WSB) program, in which children walk to and from school with adults, and its impact on low-income, ethnic minority children's walking to school, physical activity, and risk for obesity. Ultimately, this line of research has the potential to provide a low-cost, easy to disseminate program to reduce risk of obesity and cancer for at-risk children.

The investigators Specific Aims among 3rd-5th grade children include:

SA1) To recruit 770 child-parent dyads from 22 elementary schools over 4 years and conduct a cluster randomized controlled trial to assess the efficacy of a WSB program on children's walking to school, physical activity, and BMI z-score over a school-year SA2) To collect and analyze data on individual-, school-, and macro-level influences on changes to children's walking to school resulting from the WSB program

The Primary Hypotheses to be tested, in comparison to control children, include:

H1) The WSB program will increase children's walking to school over a school-year.

H1a) Parents' outcome expectations and self-efficacy will mediate the relationship between the WSB and changes to children's walking to school.

H1b) Walkability, safety, and acculturation will moderate changes to children's walking to school.

H2) The WSB program will increase children's physical activity and decrease BMI z-scores over a school-year.

H3) The WSB program will increase school-level pedestrian safety behaviors over a school-year.

Detailed Description

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Conditions

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Obesity Physical Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Walking school bus

Group Type EXPERIMENTAL

Walking School Bus

Intervention Type BEHAVIORAL

Children will have the option of walking to and/or from school with study staff who are trained in Safe Routes to School methods.

Usual care

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Walking School Bus

Children will have the option of walking to and/or from school with study staff who are trained in Safe Routes to School methods.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* physically capable of walking to and from school
* live within 1-mile of school or parents agree to regularly drop off children within 1-mile of school
* attend a study school and enrolled in 3rd, 4th, or 5th grade

Exclusion Criteria

* another child from the same household is enrolled in the study
Minimum Eligible Age

7 Years

Maximum Eligible Age

14 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Seattle Children's Hospital

OTHER

Sponsor Role lead

Responsible Party

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Jason Mendoza

Associate Professor of Pediatrics

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jason A Mendoza, MD, MPH

Role: PRINCIPAL_INVESTIGATOR

Seattle Children's Hospital

Locations

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Seattle Children's Research Institute

Seattle, Washington, United States

Site Status

Countries

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United States

References

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Johnson AM, Zhou C, Haviland M, Mendoza JA. Evaluation of a walking school bus program: a cluster randomized controlled trial. Int J Behav Nutr Phys Act. 2024 May 10;21(1):55. doi: 10.1186/s12966-024-01602-w.

Reference Type DERIVED
PMID: 38730407 (View on PubMed)

Related Links

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Other Identifiers

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1R01CA163146-01A1

Identifier Type: NIH

Identifier Source: org_study_id

View Link

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