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Table 4 Nutrition related knowledge of grade 12 adolescents required for reading labels on packaged snacks (n = 533)a

From: Use of food labels by adolescents to make healthier choices on snacks: a cross-sectional study from Sri Lanka

Knowledge domain

Students with good knowledge

No.

%

 Interpretation of “best before date” on the label

471

88.5 %

 Interpretation of “high in fats” on the label

434

81.7 %

 Use of permitted preservatives in snacks

470

88.5 %

 Fibre content in snacks

360

67.8 %

 Use of permitted colours and additives in snacks

281

52.9 %

 Unhealthy fat types in snacks

252

47.5 %

 Interpretation of serving size

274

51.6 %

 Definition of % RDA

143

26.9 %

 Interpretation of "natural product” on the label

52

9.8 %

Overall ‘Good’ knowledge

448

84.1 %

  1. aOf the 542 in the sample, 9 students who never read labels were excluded