Table 4. Percentage of animal welfare certified livestock products sold within the expiration date (Unit: N, %)

Classification		Percentage of sold					Total	x2	p
		100%	80%≤	60%≤	40%≤	20%≤
Company size	Major company	1 (14.3)	4 (57.1)	0 (0.0)	1 (14.3)	1 (14.3)	7 (100.0)	6.171	0.628
	Middle-standing	2 (33.3)	1 (16.7)	1 (16.7)	1 (16.7)	1 (16.7)	6 (100.0)
	Small business	3 (20.0)	9 (60.0)	2 (13.3)	0 (0.0)	1 (6.7)	15 (100.0)
Total		6 (21.4)	14 (50.0)	3 (10.7)	2 (7.1)	3 (10.7)	28 (100.0)1)

p<0.05.
people responded, ‘We sell animal welfare certified livestock products.’