Seven-year change in graded exercise treadmill test performance in young adults in the CARDIA study. Cardiovascular Risk Factors in Young Adults

Medicine and Science in Sports and Exercise
S SidneyR J Thomas

Abstract

Most studies of physical fitness change have been relatively small, not population-based, and lacking in women and nonwhites. The purpose of this analysis was to evaluate the 7-yr change in physical fitness in a biracial (black and white) population of young men and women. We evaluated change in exercise treadmill test performance in a biracial (black and white) population of 1,962 young adults, ages 18-30 yr at baseline, who completed symptom-limited graded exercise treadmill tests at the baseline (1985-1986) and year 7 (1992-1993) examinations of the CARDIA study. Mean test duration decreased 58 s (9.5%) over 7 yr (black men, 13.6% decrease, white men, 7.4%; black women, 11.1%; white women, 7.0%). Mean time to heart rate 130 (WL130), a measure of submaximal performance, decreased 31 s (11.3%) (black men, 16.9%; white men, 10.0%; black women, 12.3%; white women, 6.1%). Baseline body mass index (BMI) and physical activity were not statistically significant predictors of test duration change in any race-gender group, but change in BMI and activity were. Seven-year weight gain >20 lbs (31% of cohort) was associated with a large decrease in fitness (18.5% decrease in mean duration, 21.8% decrease in WL130). These data suggest that...Continue Reading

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Citations

Apr 6, 2005·Medicine and Science in Sports and Exercise·Mercedes R CarnethonKiang Liu
Jul 20, 2010·Medicine and Science in Sports and Exercise·Na ZhuDavid R Jacobs
Jul 6, 2004·Medicine and Science in Sports and Exercise·Andrew S JacksonSteven N Blair
Sep 5, 2019·Sports Medicine - Open·Johannes ZeiherJonas D Finger
Nov 15, 2000·Journal of Epidemiology and Community Health·J N MorrisE A Dowler
Oct 15, 2010·Sports Medicine·Heikki KyröläinenTommi Vasankari
Aug 29, 2013·Sports Medicine·Damon L SwiftTimothy S Church
Jul 9, 2008·International Journal of Obesity : Journal of the International Association for the Study of Obesity·C MartinsH Truby
May 28, 2019·American Journal of Preventive Medicine·Amanda E PaluchMercedes R Carnethon

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