Fig. 3
Key factors that are affecting the spread and severity of COVID-19 epidemic in Java, Indonesia. a Proportion of the population aged over 50 years old at the district level. b Number of regular hospital beds per one thousand population at the district level. c Proportion of Jakarta residents who spent their day in other districts in Java during a non-Ramadan period. d Increased proportion of people of Jakarta who spent their day in other districts in Java during Ramadan compared to the non-Ramadan period. e The relationship between the estimated Rt values based on C19P funerals data and average reduction in non-residential mobility in Jakarta using data only before the lifting of the first PSBB. Grey dots represent 100 samples of Rt values. Orange lines show the modelled smoothing spline relationship between 100 samples of Rt values and mobility reduction. f Extrapolations of Rt values in provinces in Java based upon Google Mobility trends for each province and the 100 sampled smoothing splines in Fig. 3e (orange lines). Light green shaded areas denote periods of PSBB whilst the dark green shaded areas represent the period of Ramadan domestic travel restrictions