Web-Based Weight Loss & Weight Maintenance Intervention for Older Rural Women, Also Known as Women Weigh-in for Wellness

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

301 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-05-01

Study Completion Date

2016-08-01

Brief Summary

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This project will evaluate an Internet delivery strategy to address weight loss and maintenance among rural midlife and older women.

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Detailed Description

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According to the National Institutes of Health, "obesity is one of the most daunting health challenges of the 21st century". Approximately 2/3 of all adults are overweight or obese. Efforts to abate the growing prevalence of obesity have not been successful. The Strategic Plan for NIH Obesity Research proposes preventing and treating obesity through lifestyle modification. The purpose of this study is to evaluate the effectiveness of a theory-based intervention framed within the Health Promotion Model (HPM) in facilitating weight loss and maintenance through promotion of healthy eating and physical activity among an underserved, vulnerable population of overweight or obese rural women aged 40-69. During these years, women experience increases in peri- and post-menopausal health risks that are magnified if they are overweight or obese. Weight loss will reduce risks and enhance functional status as they age. Maintenance of weight loss will be emphasized. The Internet offers a way to reach isolated rural women who have limited options for weight loss guidance. PUBLIC HEALTH RELEVANCE: Obesity is recognized as a major and growing public health problem. While many weight loss programs have been successful in the short term, they have not been successful in helping to maintain weight loss.

Conditions

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Overweight and Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Caregivers

Study Groups

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Web-based only (WO) weight intervention

A comprehensive lifestyle modification intervention for healthy eating and activity delivered by web only to facilitate Phase I weight loss (weekly messages baseline to 6 months), Phase 2 guided weight loss and weight maintenance (bi-weekly hot topics news, 6-18 months) and Phase 3 self-managed weight maintenance (6 monthly and 3 bi-monthly new content, 18-30 months).

Group Type EXPERIMENTAL

Experimental: Web-based only (WO) weight intervention

Intervention Type BEHAVIORAL

The WO intervention included evidence-based lifestyle modification for healthy eating and activity, with self-monitoring and goal setting, and messages based on constructs from the Health Promotion Model across 3 phases. The intent of the phases was to deliver more intensive intervention during Phase 1, transitioning to less intensive intervention during phase 2, to providing support for self managed weight maintenance during Phase 3.

WO & peer-led discussion board (WD)

Includes WO intervention, including all 3 Phases for weight loss and weight maintenance, supplemented with peer-lead discussion board. A peer leader will facilitate the asynchronous discussion group. The primary purpose of this group is to provide support, increase self-efficacy (role modeling by successful women and leader) and discuss progress toward goals.

Group Type EXPERIMENTAL

Experimental: Web-based only (WO) weight intervention

Intervention Type BEHAVIORAL

The WO intervention included evidence-based lifestyle modification for healthy eating and activity, with self-monitoring and goal setting, and messages based on constructs from the Health Promotion Model across 3 phases. The intent of the phases was to deliver more intensive intervention during Phase 1, transitioning to less intensive intervention during phase 2, to providing support for self managed weight maintenance during Phase 3.

Experimental: WO plus peer-led discussion board (WD)

Intervention Type BEHAVIORAL

Includes WO intervention plus asynchronous discussion board managed by peer leader, whose identity is masked. The peer leader who posted theme-based messages, called primers, that were consistent with WO themes across phases.

WO & professional email counseling (WE)

Includes WO intervention, including all 3 Phases for weight loss and weight maintenance, supplemented with professional email-counseling by experienced counselor who will review women's web-logs of eating, activity, weight and goal-setting on web-site and send e-mail feedback.

Group Type EXPERIMENTAL

Experimental: Web-based only (WO) weight intervention

Intervention Type BEHAVIORAL

The WO intervention included evidence-based lifestyle modification for healthy eating and activity, with self-monitoring and goal setting, and messages based on constructs from the Health Promotion Model across 3 phases. The intent of the phases was to deliver more intensive intervention during Phase 1, transitioning to less intensive intervention during phase 2, to providing support for self managed weight maintenance during Phase 3.

Experimental: WO & professional email counseling (WE)

Intervention Type BEHAVIORAL

Includes WO intervention plus professional email counseling provided by a registered dietitian whose identity is masked. The email counselor is responsible for reviewing eating, activity, weight logs, and goals on the web-site and send e-mail feedback, in addition to responding to email questions. The e-mail process will follow the 5A's Model for Behavioral Counseling (assess, advise, agree, assist, and arrange) that was adapted for this study.

Interventions

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Experimental: Web-based only (WO) weight intervention

The WO intervention included evidence-based lifestyle modification for healthy eating and activity, with self-monitoring and goal setting, and messages based on constructs from the Health Promotion Model across 3 phases. The intent of the phases was to deliver more intensive intervention during Phase 1, transitioning to less intensive intervention during phase 2, to providing support for self managed weight maintenance during Phase 3.

Intervention Type BEHAVIORAL

Experimental: WO plus peer-led discussion board (WD)

Includes WO intervention plus asynchronous discussion board managed by peer leader, whose identity is masked. The peer leader who posted theme-based messages, called primers, that were consistent with WO themes across phases.

Intervention Type BEHAVIORAL

Experimental: WO & professional email counseling (WE)

Includes WO intervention plus professional email counseling provided by a registered dietitian whose identity is masked. The email counselor is responsible for reviewing eating, activity, weight logs, and goals on the web-site and send e-mail feedback, in addition to responding to email questions. The e-mail process will follow the 5A's Model for Behavioral Counseling (assess, advise, agree, assist, and arrange) that was adapted for this study.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* women aged 40-69
* overweight or Class I \& II obese (BMI 28 to 39.9)or BMI 40 to 45 with physician clearance
* state a commitment to losing weight
* speak and read English
* able to communicate over the telephone
* able to use a computer with minimal assistance and complete electronic forms and surveys
* have access to and are able to access the Internet
* commitment to access the website as required by the research intervention including weekly self-reporting of calories and fat grams, weekly self-reporting of physical activity, pedometer steps, and body weight, and weekly (or more often) participation in other website components as determined by group to which randomized and phase of intervention
* have or are willing to obtain an email account
* have access to a DVD player
* able to walk without an assistive device
* answer 'no' to all questions on the Physical Activity Readiness Questionnaire (PAR-Q) or obtain clearance from their physician to become more active

Exclusion Criteria

* diagnosed with Type 1 diabetes
* diagnosed with Type 2 diabetes and require insulin
* ≥ 10% weight loss in last six months
* enrolled in a weight loss management program
* enrolled in a formal program of cardiac rehabilitation or undergoing physical rehabilitation
* taking medications that affect weight loss or weight gain
* other physical or medical restrictions that would preclude following the minimum recommendations for moderate physical activity and healthy eating.

Minimum Eligible Age

40 Years

Maximum Eligible Age

69 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No