Correlation between population variables and measles burden among cities in cross-regional clusters, regional clusters, and all cities.

Variable names are listed in the first column. Numbers in the last three columns show the Spearman’s rank correlation coefficient (ρ) and adjusted p-value (in parentheses) between each variable and the cumulative measles incidence rate (2005–2014) for each category (i.e. cross-regional, regional, or all cities). The Holm-Bonferroni method was used to adjust the p-values, however, only applied to those with unadjusted values below 0.05; bold numbers indicate significant correlation at the 0.05 level.