Readers guide to critical appraisal of cohort studies: 3. Analytical strategies to reduce confounding.
Normand
Sharon-Lise T
SL
Department of Health Care Policy, Harvard Medical School, Boston, MA, USA.
Sykora
Kathy
K
Li
Ping
P
Mamdani
Muhammad
M
Rochon
Paula A
PA
Anderson
Geoffrey M
GM
D015331:Cohort Studies; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D012044:Regression Analysis