BACKGROUND: Obesity is associated with many chronic diseases, and weight loss can reduce the risk of developing these diseases. Obesity is highly prevalent among Black women, but weight loss treatment for black women has been understudied until recently. The Obesity Reduction black Intervention Trial (ORBIT) is a randomized controlled trial designed to assess the efficacy of a culturally proficient weight loss and weight loss maintenance program for black women. This paper describes the design of the trial, the intervention, and baseline characteristics of the participants. METHODS:Two hundred thirteen obese black women aged 30-65 years were randomized to the intervention group or a general health control group. The intervention consists of a 6-month weight loss program followed by a 1-year maintenance program. Weight, dietary intake, and energy expenditure are measured at baseline, 6 months, and 18 months. RESULTS: More than 40% of participants had a baseline body mass index (BMI) >40 kg/m(2) (class III obesity). Intake of fat and saturated fat was higher and consumption of fruit, vegetables, and fiber was lower than currently recommended guidelines. Self-reported moderate to vigorous physical activity was high (median 85 min/day). However, objectively measured physical activity among a subgroup of participants was lower (median 15 min/day). CONCLUSIONS:Weight loss among obese black women has received inadequate attention in relation to the magnitude of the problem. Factors that contribute to successful weight loss and more importantly, weight loss maintenance need to be identified.
RCT Entities:
BACKGROUND:Obesity is associated with many chronic diseases, and weight loss can reduce the risk of developing these diseases. Obesity is highly prevalent among Black women, but weight loss treatment for black women has been understudied until recently. The Obesity Reduction black Intervention Trial (ORBIT) is a randomized controlled trial designed to assess the efficacy of a culturally proficient weight loss and weight loss maintenance program for black women. This paper describes the design of the trial, the intervention, and baseline characteristics of the participants. METHODS: Two hundred thirteen obese black women aged 30-65 years were randomized to the intervention group or a general health control group. The intervention consists of a 6-month weight loss program followed by a 1-year maintenance program. Weight, dietary intake, and energy expenditure are measured at baseline, 6 months, and 18 months. RESULTS: More than 40% of participants had a baseline body mass index (BMI) >40 kg/m(2) (class III obesity). Intake of fat and saturated fat was higher and consumption of fruit, vegetables, and fiber was lower than currently recommended guidelines. Self-reported moderate to vigorous physical activity was high (median 85 min/day). However, objectively measured physical activity among a subgroup of participants was lower (median 15 min/day). CONCLUSIONS:Weight loss among obese black women has received inadequate attention in relation to the magnitude of the problem. Factors that contribute to successful weight loss and more importantly, weight loss maintenance need to be identified.
Authors: R Cooper; J Cutler; P Desvigne-Nickens; S P Fortmann; L Friedman; R Havlik; G Hogelin; J Marler; P McGovern; G Morosco; L Mosca; T Pearson; J Stamler; D Stryer; T Thom Journal: Circulation Date: 2000-12-19 Impact factor: 29.690
Authors: Matthew P Buman; Eric B Hekler; William L Haskell; Leslie Pruitt; Terry L Conway; Kelli L Cain; James F Sallis; Brian E Saelens; Lawrence D Frank; Abby C King Journal: Am J Epidemiol Date: 2010-09-15 Impact factor: 4.897
Authors: Rebecca E Lee; Daniel P O'Connor; Renae Smith-Ray; Scherezade K Mama; Ashley V Medina; Jacqueline Y Reese-Smith; Jorge A Banda; Charles S Layne; Marcella Brosnan; Catherine Cubbin; Tracy McMillan; Paul A Estabrooks Journal: Am J Health Promot Date: 2012 Mar-Apr
Authors: Joanna Buscemi; Oksana Pugach; Sparkle Springfield; Jiyeong Jang; Lisa Tussing-Humphreys; Linda Schiffer; Melinda R Stolley; Marian L Fitzgibbon Journal: Eat Behav Date: 2018-02-16
Authors: Susan L Hughes; Lisa Tussing-Humphreys; Linda Schiffer; Renae Smith-Ray; David X Marquez; Andrew D DeMott; Michael L Berbaum; Marian L Fitzgibbon Journal: Gerontologist Date: 2020-04-02
Authors: Renae L Smith-Ray; Marian L Fitzgibbon; Lisa Tussing-Humphreys; Linda Schiffer; Amy Shah; Gail M Huber; Carol Braunschweig; Richard T Campbell; Susan L Hughes Journal: Contemp Clin Trials Date: 2013-12-05 Impact factor: 2.226
Authors: Ben S Gerber; Melinda R Stolley; Allison L Thompson; Lisa K Sharp; Marian L Fitzgibbon Journal: Health Informatics J Date: 2009-03 Impact factor: 2.681