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Additional file 1.

Additional file 1: Supplemental Table 1. The 57 select product categories licenced from Numerator included in the study. Supplemental Table 2. Numerator’s methodology used to estimate expenditures by media. Supplemental Table 3. Thresholds against which products containing free sugars, added sodium and added fat are assessed to determine whether they would be classified as “permitted/healthy” or “restricted/unhealthy” advertising according to Health Canada’s proposed nutrient profile model. Supplemental Table 4. Changes in net food advertising expenditures on television in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 5. Changes in net food advertising expenditures classified as “unhealthy” on television in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 6. Changes in net food advertising expenditures on the radio in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 7. Changes in net food advertising expenditures classified as “unhealthy” on the radio in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 8. Changes in net food advertising expenditures in print media in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 9. Changes in net food advertising expenditures classified as “unhealthy” in print media in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 10. Changes in net food advertising expenditures in out-of-home media in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 11. Changes in net food advertising expenditures classified as “unhealthy” in out-of-home media in Canada† between 2016 and 2019, overall and by food category. Supplemental Table 12. Net food advertising expenditures in digital media in Canada† in 2019, overall and by food category.

Supplementary Material 1

Additional file 1 : Supplementary Table 1 A summary of the top 22 packaged food and beverage companies in Canada in terms of their market share, type (i.e., multinational or domestic manufacturer, retailer), area served and location of head office. Supplementary Table 2. Mean (± standard deviation) Health Star Ratings of products offered by each company, presented by food category. Supplementary Table 3. Median (± interquartile range) amounts of calories, sodium, saturated fat and total sugars per 100 g (or mL) and per reference amount in products offered by each company, presented by food category. Supplementary Table 4. The number and percentage of products offered by each company that exceeded Health Canada’s proposed “high in” front-of-package labelling thresholds for saturated fat, sodium and/or total sugars, presented by food category.

Additional file 1 : Supplementary Table 1 A summary of the top 22 packaged food and beverage companies in Canada in terms of their market share, type (i.e., multinational or domestic manufacturer, retailer), area served and location of head office. Supplementary Table 2. Mean (± standard deviation) Health Star Ratings of products offered by each company, presented by food category. Supplementary Table 3. Median (± interquartile range) amounts of calories, sodium, saturated fat and total sugars per 100 g (or mL) and per reference amount in products offered by each company, presented by food category. Supplementary Table 4. The number and percentage of products offered by each company that exceeded Health Canada’s proposed “high in” front-of-package labelling thresholds for saturated fat, sodium and/or total sugars, presented by food category.

Background: High sodium intake is a leading modifiable risk factor for cardiovascular diseases. This study estimated full compliance to Canada’s voluntary sodium reduction guidance (SRG) targets on social inequities and population sodium intake. Methods: We conducted a modeling study using n = 19,645, 24 h dietary recalls (Canadians ≥ 2 years) from the 2015 Canadian Community Health Survey—Nutrition (2015 CCHS-N). Multivariable linear regressions were used to estimate mean sodium intake in measured (in the 2015 CCHS-N) and modelled (achieving SRG targets) scenarios across education, income and food security. The percentage of Canadians with sodium intakes above chronic disease risk reduction (CDRR) thresholds was estimated using the US National Cancer Institute (NCI) method. Results: In children aged 2–8, achieving SRG targets reduced mean sodium intake differences between food secure and insecure households from 271 mg/day (95%CI: 75,468) to 83 mg/day (95%CI: −45,212); a finding consistent across education and income. Mean sodium intake inequities between low and high education households were eliminated for females aged 9–18 (96 mg/day, 95%CI: −149,341) and adults aged 19 and older (males: 148 mg/day, 95%CI: −30,327; female: −45 mg/day, 95%CI: −141,51). Despite these declines (after achieving the SRG targets) the majority of Canadians’ are above the CDRR thresholds. Conclusion: Achieving SRG targets would eliminate social inequities in sodium intake and reduce population sodium intake overall; however, additional interventions are required to reach recommended sodium levels.