TY - STAND AU - M. Gulliford AU - G. Adams AU - O. Ukoumunne AU - R. Latinovic AU - S. Chinn AU - M. Campbell BT - J Clin Epidemiol DO - 10.1016/j.jclinepi.2004.08.012 M1 - 3 PY - 2005 SP - 246 EP - 51 T2 - J Clin Epidemiol TI - Intraclass correlation coefficient and outcome prevalence are associated in clustered binary data VL - 58 SN - 0895-4356 (Print) 0895-4356 ER -