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Table 3 Odds ratios for school characteristics associated with availability vs. non-availability of several beverage categories in school vending machines in secondary schools (n = 78) representing three policy groups in Alberta and Ontario that participated in Waves 1–3 (2013/14–2015/16) of the COMPASS study

From: Examining changes in school vending machine beverage availability and sugar-sweetened beverage intake among Canadian adolescents participating in the COMPASS study: a longitudinal assessment of provincial school nutrition policy compliance and effectiveness

Characteristic

Beverage categories

Adjusted odds ratioa (95% CI)

Sugar-containing carbonated soft drinks

Sugar-containing non-carbonated soft drinks

Sugar-containing sports drinks

Flavoured milk

Diet carbonated soft drinks

Diet non-carbonated soft drinks

Diet sports drinks

Plain white milk

100% fruit juice

Water

Policy group

 Ontario – Public

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

 Ontario –Private

28.03 (5.44–144.39)***

26.00 (2.82–239.77)**

111.14 (10.69–1155.51)***

0.50 (0.08–3.34)

0.45 (0.10–2.07)

0.61 (0.07–5.35)

13.75 (1.97–96.20)**

0.81 (0.09–7.03)

0.19 (0.01–2.51)

1.00 (0.11–8.85)

 Alberta

16.81 (2.54–111.11)**

6.25 (1.12–34.90)*

10.18 (2.39–43.38)**

0.43 (0.11–1.67)

1.02 (0.27–3.81)

1.10 (0.32–3.74)

0.98 (0.16–5.89)

0.20 (0.02–2.08)

2.09 (0.48–9.05)

2.90 (0.48–17.34)

 Waveb

0.86 (0.54–1.36)

0.77 (0.64–0.92)**

1.37 (0.82–2.29)

1.17 (0.96–1.42)

0.88 (0.71–1.11)

1.14 (0.91–1.43)

0.95 (0.77–1.18)

0.98 (0.73–1.31)

0.92 (0.62–1.35)

0.81 (0.69–0.95)

  1. aOdds adjusted for all other variables in the column, in addition to geographic location, school neighbourhood median income, and the presence of restaurants, variety stores, and food stores within schools’ 1-km circular buffer
  2. bWave was treated as a continuous variable, where Wave 1 = 0, Wave 2 = 1, and Wave 3 = 2
  3. *P < 0.05, **P < 0.01, ***P < 0.001