Cluster effect Keyword: Cluster effect 1 Question Articles Volume 7, Issue 3Caesarean delivery and its associated factors among mothers in Bangladesh: A statistical analysis. F. Hasan, M.M. Alam, P. Bharati and M.G. Hossain August 2, 2018 Epidemiology Bangladeshi women, Caesarean section (CS) delivery, Cluster effect, Multilevel model, Socio-economic factors,