Results 101 to 110 of about 4,634,663 (237)

Physical activity in relation to risk of chronic obstructive pulmonary disease among Chinese adults: an 11-year prospective study

open access: yesFrontiers in Sports and Active Living
BackgroundChronic obstructive pulmonary disease (COPD) is a leading cause of chronic morbidity and mortality worldwide. Despite its significant public health burden, few studies have reported on the association of physical activity with incident COPD ...
Hao Wang   +17 more
doaj   +1 more source

A ‘non-canonical’ DNA-binding element mediates the response of the Fas-ligand promoter to c-Myc [PDF]

open access: bronze, 2000
Shailaja Kasibhatla   +4 more
openalex   +1 more source

Non-response and population representation in studies of adolescent time use [PDF]

open access: yes
Researchers have debated which methods are most valid and reliable for studying time use. One key instrument for measuring time use is the time diary, which has unique analytic properties that, if not adjusted for, can bias estimates.
Barbara Schneider   +2 more
core  

Renal Mitochondrial Response to Low Temperature in Non-Hibernating and Hibernating Species

open access: green, 2017
George J. Dugbartey   +7 more
openalex   +2 more sources

Effects of Survey Design Features on Response Rates: A Meta-Analytical Approach Using the Example of Crime Surveys

open access: yesSurvey Research Methods
When conducting a survey, many choices regarding survey design features have to be made. These choices affect the response rate of a survey. This paper analyzes the individual effects of these survey design features on the response rate.
Jonas Klingwort, Vera Toepoel
doaj  

Exclusion of non-responses [PDF]

open access: yesAmerican Journal of Hypertension, 1996
M MYERS   +7 more
openaire   +1 more source

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