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Table 1 List of symbols used and corresponding parameters and data sources

From: Estimating the distribution of morbidity and mortality of childhood diarrhea, measles, and pneumonia by wealth group in low- and middle-income countries

Parameter definition Symbol Parameter value Data source
Proportion of attributable cases and deaths in quintile i Aci, Adi See Additional file 1: Section V Authors’ estimation
Proportion of attributable cases and deaths averted by vaccine/treatment in quintile i Acv,i, Adt,i See Additional file 1: Section V Authors’ estimation
Proportion of all cases and deaths attributable to risk and prognostic factors TCa, TDa See Additional file 1: Section IV [14]
Proportion of all cases and deaths unattributable to risk and prognostic factors TCua, TDua See Additional file 1: Section IV [14]
Disease-specific relative risk of risk factor j or prognostic factor l RRj, RRl See Table 2
Relative weight assigned to risk factor j or prognostic factor l wj, ul Authors’ estimation
Prevalence of risk factor j or prognostic factor l in quintile i Pij, Pil See Table 2
Vaccine effectiveness E MCV1: 0.85 (95% CI 0.83–0.87)
PCV: 0.06 (95% CI 0.03–0.09) for clinically diagnosed pneumonia
RV: 0.14 (95% CI 0.00–0.31) for diarrhea
[17,18,19]
Healthcare treatment efficacy in reducing mortality Eff Measles: 0.62 (95% CI 0.19–0.82)
Pneumonia: 0.70 (95% CI 0.52–0.82)
Diarrhea: 0.93 (95% CI 0.83–0.98)
[19, 32, 33]
  1. CI confidence interval, MCV1 measles vaccine first dose, PCV pneumococcal conjugate vaccine, RV rotavirus vaccine