TY - JOUR AU - Li, Baoyue AU - Lingsma, Hester F. AU - Steyerberg, Ewout W. AU - Lesaffre, Emmanuel PY - 2011 DA - 2011/05/23 TI - Logistic random effects regression models: a comparison of statistical packages for binary and ordinal outcomes JO - BMC Medical Research Methodology SP - 77 VL - 11 IS - 1 AB - Logistic random effects models are a popular tool to analyze multilevel also called hierarchical data with a binary or ordinal outcome. Here, we aim to compare different statistical software implementations of these models. SN - 1471-2288 UR - https://doi.org/10.1186/1471-2288-11-77 DO - 10.1186/1471-2288-11-77 ID - Li2011 ER -