Multilevel analysis of survey data.
van Oyen
Herman
H
D015982:Bias; D016000:Cluster Analysis; D003625:Data Collection / Q000706:statistics & numerical data; D004522:Educational Status; D006306:Health Surveys; D006801:Humans; D055361:Multilevel Analysis; D011634:Public Health / Q000706:statistics & numerical data*; D012931:Social Environment; D014481:United States