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Items for "physical activity"

Decreased Fractal Correlation in Diurnal Physical Activity in Chronic Fatigue Syndrome

OBJECTIVES: Our objectives were to study the temporal correlation of physical activity time series in patients with chronic fatigue syndrome (CFS) during normal daily life and to examine if it could identify the altered physical activity in these patients. METHODS: Fractal scaling exponents of diurnal and nocturnal physical activity time series in 10 CFS patients and 6 healthy control subjects (CON) were calculated by the detrended fluctuation analysis (DFA) and the wavelet transform modulus maxima (WTMM) method...

Keywords: Chronic fatigue syndrome, physical activity, detrended fluctuation analysis, wavelet transform modulus maxima method

01/2004 | Methods of Information in Medicine, Schattauer

Behavioral Interventions and the Role of Television in the Growing Epidemic of Adolescent Obesity Data from the 2001 Youth Risk Behavioral Survey

OBJECTIVE: To test television exposures contribution to overweight (BMI > 95th percentile /age) status in 11.3% of 2001 YRBS respondents, when controlling for moderate/vigorous activity, and eating habits. METHODS: Controlling for age, ethnicity, smoking, moderate/vigorous activity, and diet habits, gender-specific SUDAAN models estimate likelihood (O.R.) for overweight in teens watching 2+ hours of TV/day. RESULTS: TV exposure independently increases odds of overweight by 50% for both genders (boys: OR 1.5 [1.2-1.8]; girls: OR 1.6 [1.2-2.0]), when other covariates are controlled...

Keywords: Adolescents, obesity, physical activity, television, diet

01/2005 | Methods of Information in Medicine, Schattauer

Comparison of the lipid profile and lipoprotein(a) between sedentary and highly trained subjects

Background: There is consolidated evidence that physical activity exerts beneficial effects on several chronic conditions and longevity, on the basis of its proposed biological effects, especially on lipid profiles...

Keywords: aerobic training, cardiovascular disease, lipid profile, lipoprotein(a), physical activity, sports

03/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

The Gene-Diet Attica Investigation on childhood obesity (GENDAI): overview of the study design

Background: There is limited evidence on the role of genetic and environmental factors in the etiology of childhood obesity, a major health problem worldwide.

Methods: The Gene-Diet Attica Investigation on childhood obesity (GENDAI) evaluates the contributions to and pivotal interactions of genetic, dietary and physical activity variables on children's weight...

Keywords: children, diet, gene, obesity, physical activity