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  • Author: Clara Suemi da Costa Rosa x
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Tiego A. Diniz, Fabricio E. Rossi, Clara Suemi da Costa Rosa, Jorge Mota and Ismael F. Freitas-Junior

The objective of this study was to compare moderate-to-vigorous physical activity (MVPA), minutes per week (min/wk), and fulfillment of the current recommendation (150 min/wk of MVPA) based on different cut-points in postmenopausal women. The sample was composed of 233 postmenopausal women aged 59.8 ± 6.7 years old. MVPA was measured using triaxial accelerometers. Accelerometers were initialized to collect in 60-s epochs. Participants were included if using at least 5 days. MVPA min/wk were obtained using Freedson, Troiano, Copeland, and Sasaki cut-points. Box-plot indicated large mean differences between almost all cut-points, except for Freedson and Troiano (9.3 [95% LoA: –5.6; 24.3] min/wk). The proportion of women who achieved 150 min/wk of MVPA was similar between Freedson and Troiano (31% vs. 30%). Sasaki and Copeland cut-points resulted in a greater proportion than other cut-points. We concluded that the cut-points analyzed generated different results in MVPA min/wk and low agreement when using current guidelines for MVPA pattern classification, except for the comparisons between Freedson and Troiano cut-points.

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Clara Suemi da Costa Rosa, Danilo Yuzo Nishimoto, Ismael Forte Freitas Júnior, Emmanuel Gomes Ciolac and Henrique Luiz Monteiro

Background:

Patients on hemodialysis (HD) report lower physical activity (PA) levels. We analyzed factors associated with low levels of PA in patients with chronic kidney disease (CKD) and compared PA on HD day and non-HD.

Methods:

79 patients wore an accelerometer and were classified according to time spent on moderate-to-vigorous PA (MVPA). Demographic data, BMI, comorbidities, clinical status, and health-related quality of life (HRQoL) were checked for association with PA. In addition, PA level was compared between days of HD and non-HD.

Results:

Accelerometer compliance was 78.5% [33 men and 29 women (53.96 ± 15.71 yrs) were included in analysis]. 35.5% of sample achieved ≥150min/week on MVPA. Lower MVPA was associated with older age (OR = 5.80, 95% CI = 1.11 to 30.19, P = .04), and lower score of physical function HRQoL (OR = 4.33, 95% CI = 1.23 to 15.23, P = .02). In addition, patients spent 9.73% more time on sedentary behavior, 38.9% less on light PA and 74.9% less on MVPA on HD day versus non-HD day.

Conclusion:

Age and physical function HRQoL were the main factors associated to lower PA levels. In addition, lower time spent on PA during HD day suggest that strategies for increasing physical activity levels during HD day such exercising during HD session could help CKD patients to reach current PA recommendations.

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Denise Rodrigues Bueno, Maria de Fátima Nunes Marucci, Clara Suemi da Costa Rosa, Rômulo Araújo Fernandes, Yeda Aparecida de Oliveira Duarte and Maria Lucia Lebão

Research using questionnaires has shown that physical activity level (PAL) is associated with healthcare costs. The purpose of this study was to examine the association between objectively measured PAL and healthcare costs among hypertensive and diabetic noninstitutionalized Brazilian older people. The method consisted of a cross-sectional study forming part of the SABE Study, composed of 377 older people interviewed in 2010. Expenditures were estimated taking into account self-reported medicine prescription, outpatient service, and hospitalizations, with the highest quartile of expenditures considered as a risk category. PAL was estimated using an Actigraph accelerometer. Associations were expressed as odds ratios and 95% confidence intervals, adjusted for covariates. Overall expenditures were higher in the sedentary group. The insufficiently active group presented greater odds for higher total, outpatient, and hospitalization expenditure. It was concluded that healthcare expenditures were lower in more active hypertensive and diabetic older people. The promotion of physical activity could be relevant in the attenuation of the burden of chronic diseases in economic losses.