Republic of South Korea.

Trial name or title	Republic of South Korea
Methods	Uncontrolled pre‐post or Interrupted time series
Participants	1998, 2005, 2009 and 2012 Korean National Health and Nutrition Examination Surveys (KNHANES): “…nationally representative samples of noninstitutionalized South Korean civilians ages 1 year and older. KNHANES is based on a multistage, stratified area probability sample of noninstitutionalized South Korean households in different geographic areas and in different age and sex groups” (Lee, Duffey & Popkin, 2013, pg. 299)
Interventions	Initiative includes public information/education campaign; on‐package nutrition information; food procurement policy; and large‐scale food product reformulation.
Outcomes	1998, 2005, 2009 and 2012 KNHANES: mean sodium intake (grams/capita/d) estimated via a detailed 24‐hour dietary recall
Starting date	2012; http://www.worldactiononsalt.com/worldaction/asia/53956.html
Contact information	(review authors have information on file)
Notes	No post‐intervention data point, at the time of writing We considered this country because of its inclusion in the companion review (Trieu 2015) Sources: see Republic of South Korea