Table 4.

TPB-extended model unstandardized coefficients (coeff), standard error (se), standardized coefficients (std), and p-values.

	Endogenous Variables
	Intention				Behaviour				Attitudes				Subjective Norms				PBC
R2	0.83				0.69				0.17				0.11				0.15
Determinants	coeff	se	std	p	coeff	se	std	p	coeff	se	std	p	coeff	se	std	p	coeff	se	std	p
Attitude	0.47	0.07	0.30	***
Subjective Norm (SN)	0.58	0.10	0.24	***
Perceived Behavioural Control (PBC)	0.68	0.07	0.52	***	0.17	0.08	0.22	0.032
Intention					0.37	0.06	0.63	***
Gender									0.58	0.10	0.27	***	0.42	0.08	0.29	***	0.69	0.11	0.26	***
Age									0.03	0.02	0.06	0.106	0.02	0.01	0.07	0.072	0.02	0.02	0.04	0.313
Place origin									−0.12	0.06	−0.10	0.060	−0.01	0.04	−0.02	0.765	−0.24	0.08	−0.17	0.001
Living family									0.07	0.04	0.11	0.082	0.01	0.03	0.01	0.824	0.08	0.04	0.12	0.038
Body mass index (BMI)									−0.01	0.02	−0.02	0.644	0.03	0.01	0.12	0.007	0.05	0.02	0.13	0.002
Food study									0.39	0.14	0.11	0.004	0.41	0.10	0.18	***	0.65	0.16	0.16	***
Shopper									0.69	0.13	0.32	***	0.11	0.09	0.08	0.200	0.70	0.15	0.27	***
Cooking									−0.06	0.12	−0.03	0.586	−0.02	0.08	−0.01	0.818	−0.16	0.14	−0.06	0.264
Physical activity									0.10	0.03	0.15	***	0.05	0.02	0.11	0.012	0.09	0.03	0.11	0.006

Model fit measures: χ² (df) = 416.204 (189), p = 0.000; comparative fix index (CFI) = 0.964; Tucker-Lewis Index (TLI) = 0.951; root mean square error of approximation (RMSEA) (90% CI) = 0.040 (0.035–0.045). Signif. codes: *** = p < 0.001.