Single-level analysis of intervention studies with hierarchically structured data: a cautionary note.
Brown
R L
RL
Research Design and Statistics Unit, School of Nursing, University of Wisconsin, Madison, USA.
Baumann
L J
LJ
Cameron
L
L
D015982:Bias; D006801:Humans; D015233:Models, Statistical; D009010:Monte Carlo Method; D011320:Primary Health Care / Q000706:statistics & numerical data