Comparison 1. Reduced availability of SSB at school vs. no or minimal intervention.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Share of female students consuming SSB	2		Mean Difference (Random, 95% CI)	Totals not selected
1.1 Share of female students consuming > 0 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
1.2 Share of female students consuming > 1 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
1.3 Share of female students consuming > 2 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
1.4 Share of female students consuming > 3 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
1.5 Share of female students consuming > 4 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
2 Share of male students consuming SSB	2		Mean Difference (Random, 95% CI)	Totals not selected
2.1 Share of male students consuming > 0 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
2.2 Share of male students consuming > 1 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
2.3 Share of male students consuming > 2 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
2.4 Share of male students consuming > 3 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
2.5 Share of male students consuming > 4 servings SSB/day	2		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
3 SSB purchases outside school by households with school‐aged children [ml/day]	2		Mean Difference (Random, 95% CI)	Totals not selected
3.1 All school types	1		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
3.2 High schools	1		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
3.3 Middle schools	1		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]
3.4 Elementary schools	1		Mean Difference (Random, 95% CI)	0.0 [0.0, 0.0]