Assessment of attitudes toward functional foods based on theory of planned behavior: validation of a questionnaire

Table 5 Subscales of TPB model toward use of vitamin enriched foods

variable	Non-user	user	Test statistics (t-test)	p-value
variable	Mean ± SD	Mean ± SD	Test statistics (t-test)	p-value
Attitudes	3.69 ± 0.77	3.87 ± 0.69	−2.275	p < 0.023
Subjective norms	3.51 ± 0.73	3.75 ± 0.61	−3.378	p < 0.001
Perceived control	3.17 ± 0.64	3.25 ± 0.58	−1.230	p < 0.219

ISSN: 1475-2891