Comparison 2. Low‐sodium salt substitutes versus regular salt or no active intervention in children.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Change in DBP (mmHg) at > 3 to 12 months	1	92	Mean Difference (IV, Fixed, 95% CI)	1.28 [‐1.56, 4.12]
2.2 Change in SBP (mmHg) at > 3 to 12 months	1	92	Mean Difference (IV, Fixed, 95% CI)	0.12 [‐4.41, 4.64]
2.3 Change in BMI (kg/m2) at > 3 to 12 months	1	92	Mean Difference (IV, Fixed, 95% CI)	0.94 [0.85, 1.03]
2.4 Change in 24‐h urinary sodium (mmol/24‐h)	1	92	Mean Difference (IV, Fixed, 95% CI)	14.60 [‐11.22, 40.42]
2.5 Change in 24‐h urinary potassium (mmol/24‐h)	1	92	Mean Difference (IV, Fixed, 95% CI)	4.10 [‐5.13, 13.33]