Availability and advertising of sugar sweetened beverages in South African public primary schools following a voluntary pledge by a major beverage company: a mixed methods study

Figures & data

Table 1. Weighted sample characteristics

	All (N = 105)	Fee Schools (N = 44)	No-Fee Schools (N = 61)
Geography (Percentage)
Rural	13	5	16
	(7–21)	(1–16)	(9–28)
Urban	87	95	84
	(79–93)	(84–99)	(72–91)
District (Percentage)
City of Johannesburg Metro	40	36	41
	(31–49)	(24–51)	(29–54)
City of Tshwane Metro	22	16	25
	(15–31)	(8–30)	(15–37)
Ekurhuleni Metro	20	23	18
	(13–28)	(13–37)	(10–30)
Sedibeng	11	16	0.08
	(6–18)	(8–30)	(3–18)
West Rand	8	9	8
	(4–16)	(4–22)	(3–18)
Numbers of educators and learners (Mean)
Number of educators, 2017	31.25	38.74	27.85
	(28.43–34.06)	(32.98–44.49)	(24.64–31.06)
Number of learners, 2017	872.53	957.91	833.51
	(789.89–955.17)	(855.98–1059.84)	(721.20–945.82)
Tuck shop on school premises (Percentage)	63	100	46
	(54–71)	(. – .)	(34–58)
Food and beverage outlets within 50 m (Percentage)	51	36	57
	(41–60)	(24–51)	(45–69)

Notes: 95% confidence intervals in parentheses.

Table 2. Availability of CCBSA beverages in school tuck shops

	All (N = 72)	Fee Schools (N = 44)	No-Fee Schools (N = 28)	Fee vs No-Fee
Carbonated SSBs (Percentage)
No	46	14	79	P < 0.01
	(37–55)	(6–27)	(59–90)
Yes	54	86	21
	(45–63)	(73–94)	(10–41)
Carbonated ASBs (Percentage)
No	66	43	89	P < 0.01
	(56–75)	(30–58)	(70–97)
Yes	34	57	11
	(25–44)	(42–70)	(3–30)
Non-carbonated SSBs (Percentage)
No	74	52	96	P < 0.01
	(65–81)	(38–66)	(77–100)
Yes	26	48	4
	(19–35)	(34–62)	(0–23)
Any bottled water (Percentage)
No	63	34	93	P < 0.01
	(54–71)	(22–49)	(74–98)
Yes	0.37	66	7
	(29–46)	(51–78)	(2–26)

Notes: 95% confidence intervals in parentheses. Sample restricted to schools with tuck shops on premises. Pearson ${\chi }^2$ p-value for each outcome in Fee vs No-Fee column.

Table 3. Availability of CCBSA ASB products in school tuck shops

	All (N = 72)
Neither carbonated SSBs nor ASBs available (Percentage)	46
	(37–55)
Carbonated SSB available, but not ASBs	20
	(13–30)
Carbonated ASBs available, but not SSBs	0
	(-)
Both carbonated SSBs and ASBs available	34
	(25–44)

Notes: 95% confidence intervals in parentheses. Sample restricted to schools with tuck shops on premises (N = 72).

Table 4. Advertising of Coca-Cola products on school premises (n = 105)

	All (N = 105)	Fee Schools (N = 44)	No-Fee Schools (N = 61)	Fee vs No-Fee
Any Coca-Cola advertising (Percentage)
No	69	30	87	P < 0.01
	(61–75)	(18–44)	(76–93)
Yes	31	70	13
	(25–39)	(56–82)	(7–24)
Any tuck shop Coca-Cola advertising (Percentage)
No	77	36	97	P < 0.01
	(72–82)	(24–51)	(88–99)
Yes	23	64	3
	(18–28)	(49–76)	(1–12)
Any school entrance Coca-Cola advertising (Percentage)
No	90	89	90	P = 0.80
	(82–94)	(76–95)	(80–95)
Yes	10	11	10
	(6–18)	(5–24)	(5–20)

Notes: 95% confidence intervals in parentheses. Presence of tuck shop advertising coded as zero if school did not have tuck shop. Pearson ${\chi }^2$ p-value for each outcome in Fee vs No-Fee column.