Table 1.

Descriptive statistics.

Demographic characteristics	Mean	95% CI	Economic characteristics	Mean	95% CI
Household size	3.512	[3.468, 3.556]	Monthly income	12,587.957	[12,147.53, 13,028.39]
Female household head	0.344	[0.335, 0.353]	Monthly consumption expenditure	9878.861	[9477.671, 10,280.05]
Black household heada	0.674	[0.664, 0.684]
Colored household head	0.115	[0.110, 0.120]
Asian household head	0.037	[0.033, 0.041]
White household head	0.173	[0.164, 0.182]

Product category	Mean	95% CI	Mean	95% CI
	Mean monthly expenditure (2011 ZAR)		Mean price (2011 ZAR/liter)
Carbonated soft drinks	37.488	[36.111, 38.865]	19.557	[19.532, 19.582]
Concentrates	5.458	[5.017, 5.899]	4.212	[4.201, 4.223]
Fruit juices	14.386	[13.61, 15.162]	13.72	[13.705, 13.735]
Tea & coffee combined	12.977	[12.282, 13.672]	0.731	[0.730, 0.732]
Milk	46.336	[44.839, 47.833]	9.477	[9.469, 9.485]
Sugar	25.454	[24.611, 26.297]	9.121b	[9.109, 9.133]
	Prevalence of non-zero expenditure		Mean of non-zero expenditures (2011 ZAR)
Carbonated soft drinks	0.54	[0.53, 0.55]	69.46	[67.28, 71.64]
Concentrates	0.13	[0.12, 0.14]	40.81	[38.24, 43.38]
Fruit juices	0.25	[0.24, 0.26]	58.25	[55.98, 60.52]
Tea & coffee combined	0.21	[0.2, 0.22]	61.77	[59.5, 64.04]
Milk	0.61	[0.6, 0.62]	75.35	[73.26, 77.44]
Sugar	0.44	[0.43, 0.45]	58.35	[56.88, 59.82]

Notes: IES 2010/2011. N = 13,364 (limited to urban residents only).

^aWe refer to population group designations standard in South Africa, with Black referring to individuals of African ancestry, Colored of mixed ancestry, Asian of Asian ancestry and White of European ancestry.

^bSugar price is in 2011 ZAR per kilogram.