Table 1

Data sources

Parameter/variableBest estimateSource
BMI (kg/m2)23.38Zambia STEPS Survey 2017
Average weekly consumption of sugary drinks (300 mL servings)1.55Zambia Living Conditions and Monitoring Survey (LCMS) 2015
Average price of sugary drinks (per 300 mL serving)ZMW 3.77 (or US$0.40)Zambia Central Statistics Office
Average all-cause mortality rate (per 100 000 population)30.1Zambia Central Statistics Office
Potential impact fractions (PIF) (1+ PIF)0.0001 (1.0001)Manyema et al38
Own-price elasticities for SSBs−1.30 (95% CI −1.10 to –1.51)Meta-analysis
Cross-price elasticities0.32 (95% CI 0.01 to 0.77) for fruit juice, and 0.18 (95% CI −0.10 to 0.34) for milk.Escobar et al45
Pass-on rate100% (80%–120%)Crawford et al,41 Berardi, Sevestre et al,42 and Manyema et al38
  • BMI, body mass index; CI, confidence interval; SSB, sugar sweetened beverage; STEPS, STEPwise approach to noncommunicable disease risk factor surveillance; ZMW, Zambian Kwacha .