Dataset Information

A family and community focused lifestyle program prevents weight regain in Pacific Islanders: a pilot randomized controlled trial.

ABSTRACT: Preventing weight regain after the loss of excess weight is challenging for people, especially for ethnic minorities in the United States. A 6-month weight loss maintenance intervention designed for Pacific Islanders, called the PILI Lifestyle Program (PLP), was compared with a 6-month standard behavioral weight loss maintenance program (SBP) in a pilot randomized controlled trial using a community-based participatory research approach. Adult Pacific Islanders (N = 144) were randomly assigned to either PLP (n = 72) or SBP (n = 72) after completing a 3-month weight loss program. Successful weight maintenance was defined as participants' postintervention weight change remaining ? 3% of their preintervention mean weight. Both PLP and SBP participants achieved significant weight loss maintenance (p ? .05). Among participants who completed at least half of the prescribed sessions, PLP participants were 5.1-fold (95% confidence interval = 1.06, 24; p = .02) more likely to have maintained their initial weight loss than SBP participants. The pilot PLP shows promise as a lifestyle intervention to address the obesity disparities of Pacific Islanders and thus warrants further investigation.

SUBMITTER: Kaholokula JK

PROVIDER: S-EPMC3154977 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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A family and community focused lifestyle program prevents weight regain in Pacific Islanders: a pilot randomized controlled trial.

Kaholokula Joseph Keawe'aimoku JK Mau Marjorie K MK Efird Jimmy T JT Leake Anne A West Margaret M Palakiko Donna-Marie DM Yoshimura Sheryl R SR Kekauoha B Puni BP Rose Charles C Gomes Henry H

Health education & behavior : the official publication of the Society for Public Health Education 20110506 4

Preventing weight regain after the loss of excess weight is challenging for people, especially for ethnic minorities in the United States. A 6-month weight loss maintenance intervention designed for Pacific Islanders, called the PILI Lifestyle Program (PLP), was compared with a 6-month standard behavioral weight loss maintenance program (SBP) in a pilot randomized controlled trial using a community-based participatory research approach. Adult Pacific Islanders (N = 144) were randomly assigned to ...[more]

PMID: 21551421

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Project description:Human genetic diversity in the Pacific has not been adequately sampled, particularly in Melanesia. As a result, population relationships there have been open to debate. A genome scan of autosomal markers (687 microsatellites and 203 insertions/deletions) on 952 individuals from 41 Pacific populations now provides the basis for understanding the remarkable nature of Melanesian variation, and for a more accurate comparison of these Pacific populations with previously studied groups from other regions. It also shows how textured human population variation can be in particular circumstances. Genetic diversity within individual Pacific populations is shown to be very low, while differentiation among Melanesian groups is high. Melanesian differentiation varies not only between islands, but also by island size and topographical complexity. The greatest distinctions are among the isolated groups in large island interiors, which are also the most internally homogeneous. The pattern loosely tracks language distinctions. Papuan-speaking groups are the most differentiated, and Austronesian or Oceanic-speaking groups, which tend to live along the coastlines, are more intermixed. A small "Austronesian" genetic signature (always <20%) was detected in less than half the Melanesian groups that speak Austronesian languages, and is entirely lacking in Papuan-speaking groups. Although the Polynesians are also distinctive, they tend to cluster with Micronesians, Taiwan Aborigines, and East Asians, and not Melanesians. These findings contribute to a resolution to the debates over Polynesian origins and their past interactions with Melanesians. With regard to genetics, the earlier studies had heavily relied on the evidence from single locus mitochondrial DNA or Y chromosome variation. Neither of these provided an unequivocal signal of phylogenetic relations or population intermixture proportions in the Pacific. Our analysis indicates the ancestors of Polynesians moved through Melanesia relatively rapidly and only intermixed to a very modest degree with the indigenous populations there.

Dataset Information

A family and community focused lifestyle program prevents weight regain in Pacific Islanders: a pilot randomized controlled trial.

Publications

A family and community focused lifestyle program prevents weight regain in Pacific Islanders: a pilot randomized controlled trial.

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