Table 2.

Q-set, rank and z-scores for the P-set breeders.

		Factor
		F1		F2		F3
N°	Statements	Rank	z-score	Rank	z-score	Rank	z-score
1	When a neighboring farm has sick animals, it is necessary to treat immediately with antibiotics	1	0.79	−1†	−0.41	1	0.98
2	Breeders can treat an animal with any dose of antibiotics	−3	−1.93	−3	−1.75	−3	−1.37
3	If breeders use too much antibiotics on animals, we will not be able to treat some human diseases	0	0.08	1†	0.63	0	−0.06
4	We must always ask advice to drug vendors before using antibiotics	3	1.41	2	0.96	2	1.08
5	We must always respect the withdrawal time of the antibiotics before slaughtering an animal	3	1.27	2	1.01	2	0.98
6	Antibiotics use on animals can be dangerous for human health	−2	−1.09	0†	−0.09	−1	−0.73
7	The respect of the withdrawal time of the antibiotics protect consumers health	2	0.94	1	0.82	1†	0.28
8	If breeders always use the same antibiotic to treat their animals, the antibiotic will not be efficient anymore in their farms	0	0.41	3	1.30	0	−0.40
9	Everybody can enter in farms	−3	−1.67	−3	−1.85	−3	−2.26
10	Preventing diseases by antibiotics can lead to inefficient antibiotics	0	−0.18	2†	1.18	0	−0.15
11	Vaccination can reduce antibiotics use in a farm	1	0.76	3	1.29	−1	−0.67
12	Antibiotics use in farms are always efficient	−1	−0.56	−1	−0.55	−1	−0.51
13	Giving antibiotics is the cheaper way to prevent disease	1†	0.52	−2	−1.11	−2	−0.81
14	We can stop antibiotics treatment when the animal is getting better	0	−0.17	−1	−0.78	1	0.62
15	Other methods exist to prevent diseases	1	0.59	2	1.24	−1	−0.51
16	To prevent diseases, breeders should always use antibiotics on imported chicken	2†	0.89	0	−0.23	0	0.18
17	Breeders use antibiotics to accelerate animal growth	2	0.84	−3	−1.67	−2	−0.82
18	Requiring prescription to buy antibiotics represent a loss of time and money	−2	−0.84	−1	−0.51	−2	−1.00
19	Breeders must follow treatments advice from other breeders	−2	−0.61	−2	−0.81	0†	−0.02
20	The veterinarian or the technician always explain to the breeders which antibiotic he is using when he treats an animal	1	0.42	1	0.50	2†	1.04
21	Respecting the withdrawal time is a waste of money so breeders don't respect it each time	−1	−0.50	−1	−0.55	0†	0.20
22	If prescription by veterinarians was mandatory to buy drugs, breeders would use less antibiotics	0	0.04	0	−0.12	0	−0.27
23	Drug vendors should inform breeders about risks related to antibiotics use	0	0.01	0	0.35	2†	1.02
24	We can breed without using antibiotics	−3	−1.84	0	0.00	−1	−0.76
25	Expensive antibiotics are more efficient	−1	−0.40	0	−0.24	1†	0.54
26	Antibiotics can be used to treat any kind of infections	−1	−0.40	−1	−0.67	3†	1.26
27	Whenever an animal is sick, breeders can always use the same antibiotics	−1	−0.45	−2	−1.30	−2	−0.87
28	Breeders treat themselves with antibiotics because veterinarians and technicians are often busy	0	0.19	1†	0.49	−1	−0.51
29	If breeders separate sick animals from healthy one, we can prevent spreading disease	2	1.08	3	1.54	3	1.48
30	Breeders should often clean the farm to have less disease	3	1.89	3	1.87	3	1.82
31	The place where we buy antibiotics doesn't matter	−2	−1.21	−2	−0.99	0†	0.22
32	Breeders use antibiotics only when animals are sick	−2†	−1.48	2	1.16	1	0.86
33	Antibiotics residues can be found in soil and rivers	0	0.18	0	0.37	1	0.35
34	When an animal is sick, breeders must always call the veterinarian	3	1.77	1	0.49	2	1.22
35	The veterinarian is expensive that's why breeders don't call him every time	1	0.66	0	0.14	−3	−1.12
36	If the antibiotic is expensive, we need to reduce dosage	−3	−1.57	−3	−1.55	−3	−2.06
37	Eating meat (pigs or poultry) raise without antibiotics is better to human health	−1	−0.40	1†	0.64	−2	−0.83
38	Using antibiotics is safe for animals	2	0.95	−2	−0.79	3	1.62

^†Statement distinguishing factor from the rest. In bold: consensus statements; in italic: distinguish statements.