Table 3 Variability in individual socio-economic position (SEP) indicator Mortality Rate Ratios (MRRs) with 95 % confidence intervals (CIs) and Schwarz’s Bayesian Information Criterion (BIC) in random intercepts and slopes models with predictors at both levels, controlled for age and household position (Belgium, 2001–2011)

From: The geographic pattern of Belgian mortality: can socio-economic characteristics explain area differences?