A) From a societal and health care perspective, is the Call for Life UgandaTM intervention, in comparison with usual care, preferable in terms of costs, effects and utilities? B) What is the incremental cost-effectiveness ratio (ICER) of Call for Life UgandaTM in comparison with usual care? C) In comparison with usual care, is the Call for Life UgandaTM intervention preferable in terms of cost and utilities during the remaining life expectancy of the study population?(model based economic evaluation).