Table 2 Means, standard deviations, and correlations of the constructs

Construct	Mean	SD	1	2	3	4	5	6	7	8	9	10
1. Attitude	3.47	0.744	0.79
2. Food safety	3.92	0.645	0.293***	0.725
3. Purchase Intention	3.99	0.566	0.185**	0.285***	0.716
4. Environmental friendliness	4.16	0.582	-0.064	0.321***	0.278***	0.717
5. Trust	3.69	0.65	0.494***	0.376***	0.268***	0.145*	0.757
6. Lack of knowledge	3.13	0.878	-0.134*	0.05	-0.015	-0.052	-0.09	0.763
7. Limit of availability	3.14	0.853	-0.007	0.172*	0.063	0.128†	0.01	0.625***	0.831
8. Nutritional value	3.59	0.734	0.272***	0.555***	0.188**	0.178*	0.316***	0.096	0.220**	0.787
9.Price barrier	2.17	0.594	0.063	0.015	0.247**	0.136†	-0.130†	-0.125†	-0.100	-0.276***	0.715
10.Health benefits	4.27	0.645	0.581***	0.352***	0.311***	0.274***	0.237**	-0.066	0.071	0.243**	0.239**	0.708

Notes: the square roots of AVE for discriminant validity are made bold the diagonal; significance of correlation:
p < 0.100,
p < 0.050,
p < 0.010,
p < 0.001.