Community Based Obesity Prevention Among Blacks
연구 개요
상세 설명
Long-term promotion of physical activity is necessary to achieve obesity prevention. This represents a particular challenge for our intervention design, as few studies have demonstrated positive long-term physical activity promotion outcomes among Black women. We have demonstrated the utility of pedometers among low income, ethnically diverse populations. The efficacy of pedometer utilization for the prevention of weight gain, however, hinges on long-term utilization of the devices. We hypothesize that recommendation for the step count attainment may affect individual's long-term utilization of pedometers, as well as physical activity levels and BMI.
This study is a 24-week experimental trial to examine whether intervention recommendations promote long-term adherence to a pedometer-based physical activity regimen. A two-group, block design will be used in the proposed study. Eligible women will be randomly assigned to one of two experimental conditions (n=75 per condition): 1) receiving a 10,000 steps/day recommendation and 3 health education sessions or 2) receiving an adaptive recommendation and an obesity prevention intervention. The adaptive step recommendation will update participants' recommended step counts, starting at 7,000 steps/day, then 8,000 steps/day, then finally 10,000 steps/day. Participants in the adaptive recommendation group will be provided with 3 educational sessions and will be asked to report their daily progress on weight maintenance goals via text message.
Participants will be provided pedometers and will be asked to wear them every day of the 24-week trial period.
Assessments (including self-report survey and anthropometric measurements) will be conducted at baseline, 12 weeks and 24 weeks post-baseline.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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North Carolina
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Durham, North Carolina, 미국, 27705
- Duke University
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Female
- Ages 25 and over
- BMI 25 and over
- English fluency
- Not currently pregnant
- No restrictions to ambulatory activity
Exclusion Criteria:
- Current pregnancy
- Childbearing in the past 12 months
- History of myocardial infarction or stroke in last 2 years
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 방지
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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활성 비교기: 10,000 step/day recommendation
Participants will receive a standard 10,000 step/day recommendation and 3 education sessions: at baseline, at 3 months and at 6 months.
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Participants will receive a standard 10,000 step/day recommendation and 3 education sessions: at baseline, at 3 months and at 6 months.
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실험적: Adaptive recommendation
The adaptive recommendation will update the participant's recommended step count attainment from 7,000 to 8,000, then 10,000 steps/day.
The SMS-based self-monitoring system will collect three data points each day from participants in this group: 1) total number of steps/d recorded by the pedometer during the previous day (steps/d); 2) performance on 2nd weight loss goal; and 3) performance on 3rd weight loss goal.
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Participants in this group receive 3 education sessions: at baseline, at 3 months and at 6 months.
The adaptive recommendation will update the participant's recommended step count attainment from 7,000 to 8,000, then 10,000 steps/day.
The SMS-based self-monitoring system will collect three data points each day from participants in this group: 1) total number of steps/d recorded by the pedometer during the previous day (steps/d); 2) performance on 2nd weight loss goal; and 3) performance on 3rd weight loss goal.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
|---|---|
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Adherence to the pedometer-based physical activity regimen
기간: 24 weeks post baseline
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24 weeks post baseline
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2차 결과 측정
결과 측정 |
기간 |
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Change in physical activity
기간: 24 weeks post baseline
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24 weeks post baseline
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Change in BMI
기간: 24 weeks post baseline
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24 weeks post baseline
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공동 작업자 및 조사자
스폰서
수사관
- 수석 연구원: Gary Bennett, PhD, Duke University
간행물 및 유용한 링크
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
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