Screening for physical inactivity among adults: the value of distance walked in the six-minute walk test. A cross-sectional diagnostic study

Screening for physical inactivity among adults: the value of distance walked in the six-minute walk test. A cross-sectional diagnostic study

Title: Screening for physical inactivity among adults: the value of distance walked in the six-minute walk test. A cross-sectional diagnostic study;
Triagem para inatividade física em adultos: o valor da distância percorrida no teste de caminhada de seis minutos. Um estudo transversal diagnóstico
Author Sperandio, Evandro Fornias Autor UNIFESP Google Scholar
Arantes, Rodolfo Leite Autor UNIFESP Google Scholar
da Silva, Rodrigo Pereira Autor UNIFESP Google Scholar
Matheus, Agatha Caveda Autor UNIFESP Google Scholar
Lauria, Vinicius Tonon Autor UNIFESP Google Scholar
Bianchim, Mayara Silveira Autor UNIFESP Google Scholar
Romiti, Marcello Autor UNIFESP Google Scholar
de Toledo Gagliardi, Antonio Ricardo Autor UNIFESP Google Scholar
Dourado, Victor Zuniga Autor UNIFESP Google Scholar
Abstract CONTEXT AND OBJECTIVES: Accelerometry provides objective measurement of physical activity levels, but is unfeasible in clinical practice. Thus, we aimed to identify physical fitness tests capable of predicting physical inactivity among adults. DESIGN AND SETTING: Diagnostic test study developed at a university laboratory and a diagnostic clinic. METHODS: 188 asymptomatic subjects underwent assessment of physical activity levels through accelerometry, ergospirometry on treadmill, body composition from bioelectrical impedance, isokinetic muscle function, postural balance on a force platform and six-minute walk test. We conducted descriptive analysis and multiple logistic regression including age, sex, oxygen uptake, body fat, center of pressure, quadriceps peak torque, distance covered in six-minute walk test and steps/day in the model, as predictors of physical inactivity. We also determined sensitivity (S), specificity (Sp) and area under the curve of the main predictors by means of receiver operating characteristic curves. RESULTS: The prevalence of physical inactivity was 14%. The mean number of steps/day (<= 5357) was the best predictor of physical inactivity ( S = 99%

Sp = 82%). The best physical fitness test was a distance in the six-minute walk test and <= 96% of predicted values (S - 70%

Sp - 80%). Body fat > 25% was also significant ( S = 83%

Sp = 51%). After logistic regression, steps/day and distance in the six-minute walk test remained predictors of physical inactivity. CONCLUSION: The six-minute walk test should be included in epidemiological studies as a simple and cheap tool for screening for physical inactivity.
Keywords Motor Activity
Physical Fitness
Accelerometry
Roc Curve
Body Mass IndexBioelectrical-Impedance Analysis
Energy-Expenditure
Healthy-Adults
Daily-Life
Accelerometer
Guidelines
Equations
Exercise
Disease
Copd
Language English
Sponsor Sao Paulo Research Foundation (FAPESP), in the State of State of Sao Paulo, Brazil [2011/07282-6]
Grant number FAPESP: 2011/07282-6
Date 2016
Published in Sao Paulo Medical Journal. Sao paulo, v. 134, n. 1, p. 56-62, 2016.
ISSN 1516-3180 (Sherpa/Romeo, impact factor)
Publisher Associacao paulista medicina
Extent 56-62
Origin http://dx.doi.org/10.1590/1516-3180.2015.0087160
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000373498400009
SciELO ID S1516-31802016000100056 (statistics in SciELO)
URI http://repositorio.unifesp.br/handle/11600/49557

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