@misc{indiciae685927aae4da,
  title = {Intraclass correlation coefficient and outcome prevalence are associated in clustered binary data.},
  author = {M C Gulliford and G Adams and O C Ukoumunne and R Latinovic and S Chinn and M J Campbell},
  year = {2005},
  doi = {10.1016/j.jclinepi.2004.08.012},
  url = {https://pubmed.ncbi.nlm.nih.gov/15718113/},
  note = {Source identifier: 15718113}
}