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Table 4 Intercept survey results of food outlet customers categorized according to intervention

From: The Effect of Energy Labelling on Menus and a Social Marketing Campaign on Food-Purchasing Behaviours of University Students

Percentage of students (%) Menu labelling (n = 318) (%) Mean (SD) energy consumed (kJ) Social marketing campaign (n = 264) (%) Mean (SD) energy consumed (kJ) Chi squarea Significancea
Aware of kJ intervention 30 3353 (732) 51 3811 (1272)b 13.82 0.0015
Aware but not influenced by intervention 25 3392 (871) 42 3968 (1382)c 9.25 0.0005
Aware and influenced by intervention 5 3313 (966) 9 2833 (1182)b, c 5.99 0.0604
  1. aChi-squared tests for differences in proportions of awareness and influence of intervention
  2. ANOVA with Bon-ferroni post-hoc test
  3. bReported mean kJ consumed between respondents who recalled campaign and used labels and respondents who did not recall campaign: p-value < 0.01, 99 % 978 kJ CI (129.7, 1721.6)
  4. cReported mean kJ consumed between respondents who recalled campaign elements but differed in reported label use p-value < 0.01, 99 % 1135 kJ CI (126.9, 1796.2)