Technical advance
Fitting multilevel models in complex survey data with design weights: Recommendations
BMC Medical Research Methodology 2009, 9:49 doi:10.1186/1471-2288-9-49
Technical advance
BMC Medical Research Methodology 2009, 9:49 doi:10.1186/1471-2288-9-49
Correction
Adam Carle (2009-08-21 15:28) Division of Health Policy and Clinical Effectiveness
Equation C.2.2 contains a typographical error. It should not include the line reading B_1j=B_1+u_1j. This line indicates a random effect for family income. It does not belong in the fixed effects only model. When reading these equations, please ignore this typographical error.
Competing interests
None.
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