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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