Results 51 to 60 of about 32,042,665 (190)

Moderate to vigorous physical activity and sedentary time and cardiometabolic risk factors in children and adolescents.

open access: yesJournal of the American Medical Association (JAMA), 2012
CONTEXT Sparse data exist on the combined associations between physical activity and sedentary time with cardiometabolic risk factors in healthy children.
U. Ekelund   +5 more
semanticscholar   +1 more source

"Day of week, monthly and seasonal variation of acute myocardial infarction " [PDF]

open access: yesActa Medica Iranica, 2002
The chronobiology of the acute myocardial infarction (AMI) is an interesting matter for recognition of the biological mechanism that might trigger AMI. The present study was aimed to investigate the circadian, seasonal and circannual variation of the AMI
Jalali F   +1 more
doaj   +1 more source

Factors of Perceived Waiting Time and Implications on Passengers’ Satisfaction with Waiting Time

open access: yesPromet (Zagreb), 2016
In order to explore the influence factors on perceived waiting time, a multiple linear regression model has been used to quantitatively describe the relationship between perceived waiting time and various factors.
Shumin Feng   +3 more
doaj   +1 more source

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