A Bayesian spatio-temporal framework to assess the effect of seasonal malaria chemoprevention on children under 5 years in Cameroon from 2016 to 2021 using routine data

Table 2 Effects of SMC on malaria incidence estimated from the controlled interrupted time-series model

Periods	Uncomplicated malaria cases		Severe malaria cases
Periods	IRR	95% BCI	IRR	95% BCI
2011–2015	1		1
2016	0.88*	0.84–0.93	0.90*	0.84–0.95
2017	0.85*	0.81–0.90	0.49*	0.46–0.53
2018	0.90*	0.85–0.95	0.81*	0.76–0.86
2019	0.90*	0.86–0.95	0.93*	0.87–0.99
2020	0.90*	0.85–0.95	0.95	0.89–1.02
2021	0.90*	0.86–0.96	1.03	0.97–1.10

ISSN: 1475-2875