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Yoga and body image: Findings from a large population-based study of young adults.

ABSTRACT: This study explored the potential for yoga to promote body satisfaction in a general population of young adults. The sample included 1664 participants (M age: 31.1, SD=1.6years) in Project EAT, a 15-year longitudinal study. Data from the third and fourth waves (EAT-III and EAT-IV), collected five years apart, were utilized. Practicing yoga (?30min/week) was reported by 16.2% of young adults. After adjusting for EAT-III body satisfaction and body mass index, yoga practitioners had higher concurrent body satisfaction at EAT-IV than those not practicing yoga (difference: 1.5 units [95% CI: 0.1-2.8], p=.03). Among participants within the lowest quartile of prior (EAT-III) body satisfaction, there was preliminary evidence that body satisfaction at EAT-IV was higher among yoga practitioners than in other young adults. Findings suggest that yoga may be associated with improved body satisfaction, particularly among young adults with low prior body satisfaction.

SUBMITTER: Neumark-Sztainer D

PROVIDER: S-EPMC5869146 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Yoga and body image: Findings from a large population-based study of young adults.

Neumark-Sztainer Dianne D MacLehose Richard F RF Watts Allison W AW Pacanowski Carly R CR Eisenberg Marla E ME

Body image 20171227

This study explored the potential for yoga to promote body satisfaction in a general population of young adults. The sample included 1664 participants (M age: 31.1, SD=1.6years) in Project EAT, a 15-year longitudinal study. Data from the third and fourth waves (EAT-III and EAT-IV), collected five years apart, were utilized. Practicing yoga (≥30min/week) was reported by 16.2% of young adults. After adjusting for EAT-III body satisfaction and body mass index, yoga practitioners had higher concurre ...[more]

PMID: 29288970

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Project description:BackgroundThe young Indian population, which constitutes 65% of the country, is fast adapting to a new lifestyle, which was not known earlier. They are at a high risk of the increasing burden of diabetes and associated complications. The new evolving lifestyle is not only affecting people's health but also mounting the monetary burden on a developing country such as India.AimWe aimed to collect information regarding the prevalence of risk of diabetes in young adults (<35 years) in the 29 most populous states and union territories (7 zones) of India, using a validated questionnaire.MethodsA user-friendly questionnaire-based survey using a mobile application was conducted on all adults in the 29 most populous states/union territories of India, after obtaining ethical clearance for the study. Here, we report the estimation of the prevalence of the risk of diabetes and self-reported diabetes on 58,821 young individuals below the age of 35 years. Risk for diabetes was assessed using a standardized instrument, the Indian diabetes risk score (IDRS), that has 4 factors (age, family history of diabetes, waist circumference, and physical activity). Spearman's correlation coefficient was used to check the correlations.ResultsThe prevalence of high (IDRS score > 60), moderate (IDRS score 30-50), and low (IDRS < 30) diabetes risk in young adults (<35 years) was 10.2%, 33.1%, and 56.7%, respectively. Those with high-risk scores were highest (14.4%) in the Jammu zone and lowest (4.1%) in the central zone. The prevalence of self-reported diabetes was 1.8% with a small difference between men (1.7%) and women (1.9%), and the highest (8.4%) in those with a parental history of diabetes. The south zone had the highest (2.5%), and the north west zone had the lowest (4.4%) prevalence.ConclusionsIndian youth are at high risk for diabetes, which calls for an urgent action plan through intensive efforts to promote lifestyle behavior modifications during the pandemics of both communicable and noncommunicable diseases.

Project description:Thirty-two common variants associated with body mass index (BMI) have been identified in genome-wide association studies, explaining ?1.45% of BMI variation in general population cohorts. We performed a genome-wide association study in a sample of young adults enriched for extremely overweight individuals. We aimed to identify new loci associated with BMI and to ascertain whether using an extreme sampling design would identify the variants known to be associated with BMI in general populations.From two large Danish cohorts we selected all extremely overweight young men and women (n?=?2,633), and equal numbers of population-based controls (n?=?2,740, drawn randomly from the same populations as the extremes, representing ?212,000 individuals). We followed up novel (at the time of the study) association signals (p<0.001) from the discovery cohort in a genome-wide study of 5,846 Europeans, before attempting to replicate the most strongly associated 28 SNPs in an independent sample of Danish individuals (n?=?20,917) and a population-based cohort of 15-year-old British adolescents (n?=?2,418). Our discovery analysis identified SNPs at three loci known to be associated with BMI with genome-wide confidence (P<5×10(-8); FTO, MC4R and FAIM2). We also found strong evidence of association at the known TMEM18, GNPDA2, SEC16B, TFAP2B, SH2B1 and KCTD15 loci (p<0.001), and nominal association (p<0.05) at a further 8 loci known to be associated with BMI. However, meta-analyses of our discovery and replication cohorts identified no novel associations.Our results indicate that the detectable genetic variation associated with extreme overweight is very similar to that previously found for general BMI. This suggests that population-based study designs with enriched sampling of individuals with the extreme phenotype may be an efficient method for identifying common variants that influence quantitative traits and a valid alternative to genotyping all individuals in large population-based studies, which may require tens of thousands of subjects to achieve similar power.

Dataset Information

Yoga and body image: Findings from a large population-based study of young adults.

Publications

Yoga and body image: Findings from a large population-based study of young adults.

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