Table 2.

Carbonated soft drink expenditure by household characteristics.

	Mean expenditure (2011 ZAR)		Prevalence of non-zero expenditure		Mean of non-zero expenditures (2011 ZAR)
	Mean	95% CI	Mean	95% CI	Mean	95% CI
Income quintile
1	18.69	[16.72, 20.66]	0.40	[0.38, 0.42]	47.25	[43.10, 51.40]
2	21.52	[19.80, 23.24]	0.44	[0.42, 0.46]	49.37	[46.39, 52.35]
3	27.74	[26.00, 29.48]	0.51	[0.49, 0.53]	54.03	[51.48, 56.58]
4	40.28	[38.07, 42.49]	0.60	[0.58, 0.62]	66.65	[63.63, 69.67]
5	61.79	[57.67, 65.91]	0.64	[0.62, 0.66]	96.18	[90.59, 101.77]
Population group of household head
Black	30.39	[29.25, 31.53]	0.52	[0.51, 0.53]	58.47	[56.68, 60.26]
Colored	49.62	[46.09, 53.15]	0.59	[0.57, 0.61]	84.43	[79.45, 89.41]
Indian	34.13	[28.17, 40.09]	0.48	[0.42, 0.54]	70.48	[60.89, 80.07]
White	57.71	[51.95, 63.47]	0.60	[0.57, 0.63]	96.66	[88.26, 105.06]
Gender of household head
Male	42.38	[40.47, 44.29]	0.57	[0.56, 0.58]	74.37	[71.49, 77.25]
Female	28.16	[26.56, 29.76]	0.48	[0.46, 0.50]	58.42	[55.69, 61.15]
Household size
1–3	33.07	[31.26, 34.88]	0.52	[0.51, 0.53]	63.49	[60.51, 66.47]
4–6	44.47	[42.05, 46.89]	0.58	[0.56, 0.60]	77.00	[73.38, 80.62]
7–9	36.88	[32.46, 41.30]	0.51	[0.47, 0.55]	72.71	[65.63, 79.79]
10 +	38.21	[27.54, 48.88]	0.50	[0.42, 0.58]	75.70	[57.20, 94.20]

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