Karen Miller-Kovach

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CONTEXT Although commercial weight loss programs provide treatment to millions of clients, their efficacy has not been evaluated in rigorous long-term trials. OBJECTIVE To compare weight loss and health benefits achieved and maintained through self-help weight loss vs with a structured commercial program. DESIGN AND SETTING A 2-year, multicenter(More)
OBJECTIVE: To determine weight loss maintenance among participants in a commercial weight loss program (Weight Watchers) who had reached their goal weights 1–5 y previously.DESIGN: A national sample (n=1002) was surveyed by phone to obtain demographic and weight-related information. An oversample (n=258) was recruited and weighed in person to develop a(More)
Greater use of key self-regulatory behaviors (e.g., self-monitoring of food intake and weight) is associated with greater weight loss within behavioral weight loss treatments, although this association is less established within widely-available commercial weight loss programs. Further, high hedonic hunger (i.e., susceptibility to environmental food cues)(More)
BACKGROUND The US Preventive Services Task Force (USPSTF) recommends that clinicians refer obese adults for intensive, multicomponent behavioral counseling, yet most obese Americans choose a self-help approach to lose weight. The current study examined weight loss between a community-based, intensive behavioral counseling program (Weight Watchers program)(More)
OBJECTIVE Modest weight loss from clinical interventions improves glycemic control in type 2 diabetes (T2DM). Data are sparse on the effects of weight loss via commercial weight loss programs. This study examined the effects on glycemic control and weight loss of the standard Weight Watchers program, combined with telephone and email consultations with a(More)
AIMS Type 2 diabetes mellitus (T2DM) can substantially decrease quality of life (QOL). This study examined the effects on QOL-relevant psychosocial measures of a widely available commercial weight loss program enhanced for individuals with T2DM. METHODS A year-long multi-site randomized clinical trial compared the Weight Watchers (WW) approach,(More)
OBJECTIVE This study assessed changes in cardiovascular disease risk factors among participants in a 12-week behavioral weight loss intervention featuring a commercial format. METHOD 132 participants were enrolled in a randomized controlled trial of a 12-week group-based lifestyle intervention that involved two structured food plan conditions. Of them,(More)
OBJECTIVE This paper describes an initial, 4-week evaluation of a commercial weight loss program. RESEARCH METHODS AND PROCEDURES Respondents (n = 985) to newspaper advertisements in two metropolitan areas were assigned to 4 weeks of either the Weight Watchers program or to a Self-Help condition. Weight loss, psychological vitality, and eating behavior(More)
PURPOSE There have been few randomized controlled trials of commercial weight-loss programs. This ongoing study compares the effects of a self-help program and a commercial program on weight loss and other measures of obesity in overweight and obese men and women. SUBJECTS AND METHODS We report the results of the first 26 weeks of a multicenter,(More)