TABLE 5.

Average healthfulness perception scores by FoPNL (control, octagon, triangle, and magnifying glass), food category (cereal bar, cookie, and snack), type of product (containing 1 and 2 excessive nutrients), nutrition claims (absence and presence), and their interactions.

Effect	Healthfulness perception Mean (95% Confidence interval)
Food category
Cereal bar	1.96 (1.92–2.01)b
Cookie	2.00 (1.96–2.05)a
Snack	1.99 (1.95–2.03)a
Nutrition claims
Absence	1.95 (1.91–2.00)a
Presence	2.02 (1.98–2.06)b
FoPNL × type of product	1 excessive nutrient	2 excessive nutrients
Control	2.61 (2.52–2.07)b A	2.55 (2.47–2.64)c B
Octagon	1.82 (1.73–1.91)a A	1.64 (1.56–1.73)a B
Triangle	1.84 (1.75–1.93)a A	1.63 (1.54–1.71)a B
Magnifying glass	1.98 (1.89–2.07)a A	1.82 (1.73–1.90)b B

Different lowercase letters on the same column and uppercase letters on the same line indicate a significant difference using Sidak’s test (p < 0.050). Model adjusted for the questions about interest in health with p < 0.05 and random effects on individuals.