Results 201 to 210 of about 1,836,276 (227)
Some of the next articles are maybe not open access.

Pulmonary function of a firemen-diver population: a longitudinal study

European Journal of Applied Physiology and Occupational Physiology, 1994
Non smoking, male professional firemen-divers (n = 20) underwent two pulmonary function tests (PFT) separated by 8-9 years. Measured data were compared to European Coal Steel Community recommended reference values to permit cross-sectional and then longitudinal studies.
S, Bermon   +4 more
openaire   +2 more sources

Longitudinal study on pediatric dyslipidemia in population‐based claims database

Pharmacoepidemiology and Drug Safety, 2009
AbstractPurposeTo examine the rate of lipid testing among children from a large US medical insurance claims database, describe the characteristics of pediatric dyslipidemia, and assess the sensitivity of the International Classification of Disease, Ninth Revision, Clinical Modification (ICD‐9‐CM) codes for identifying dyslipidemic children.MethodsThis ...
Jie, Li   +5 more
openaire   +2 more sources

The association between stress and headache: A longitudinal population-based study

Cephalalgia, 2014
Introduction We studied the association between stress intensity and headache frequency for tension-type headache (TTH), migraine and migraine with coexisting TTH (MigTTH). Method We studied a population-based sample of 5159 participants (21–71 years) who were asked quarterly between March 2010 and April 2012 about headache and stress.
Schramm, Sara   +8 more
openaire   +2 more sources

Bias in population oral health research: longitudinal studies.

Community dental health, 2020
Bias in longitudinal studies have been well described and the longer the follow-up, the higher the proportion of drop-outs. Here, I present some key issues related to selection bias, time-varying confounders, solutions to bias and challenges in longitudinal studies in dental research.
openaire   +1 more source

Intensive Longitudinal Data Analyses With Dynamic Structural Equation Modeling

Organizational Research Methods, 2021
Le Zhou, Mo Wang
exaly  

Home - About - Disclaimer - Privacy