Question											Options				Variable name
															
1. Sex of the respondent											1. Female				q1_respsex
											2. Male				
2. Age of respondent (in years)															q2_respage
															
Age category (years)											1. 21-30				respagecategory
											2. 31-40				
											3. 41-50				
											4. 51-60				
											5. 61-70				
											6. 71-80				
											7. 81-90				
															
Age category 2 (years) larger groups											1. 21-40				respagecategory_2
											2. 41-60				
											3. >60				
															
3. What is your main role in the shop?											1. Owner				q3_mainrole
											2. Spouse of the owner				
											3. Child of the owner				
											4. Employee				
											5. Other (specify)				q3_mainroleother
															
4. For how long have you worked in a veterinary drug shop? (years)															q4_howlong
															
How long have you worked category (years)											1. 0-10				howlongcategory
											2. 11-20				
											3. >20				
															
															
															
5. How many staff does the shop have? (number)															q5_nrstaff
															
6. What education level do you have?											1. Never went to school				q6_respedu
											2. Primary school				
											3. Secondary school				
											4. High school				
											5. Vocational training				
											6. College/University				
											7. Higher education (e.g. Master, PhD)				
															
Education level merged secondary + vocational, college/university + higher education											1. Secondary school or vocational training				respedu_merged
											2. College/University or Higher education (e.g. Master, PhD)				
															
															
7. if you have a vocational training/college/university education, in which subject area(s)? (Free text)												blank=no answer			q7_subjectarea
															
Subject area category											1. Veterinary education	blank=no answer			q7_subjectcategory
											2. Other				
															
8. Do you have any training or education in animal diseases and treatment? 											1. Yes				q8_edudis
											2. No				
9. If Yes to 8, how long (days or weeks) and by whom (public/private/NGOs etc.)? (Free text)												blank=no answer			q9_edudis_where
															
Animal disease training provider category											1. sub-DAH	blank=no answer			q9_edudis_where_cat
											2. District veterinary station				
											3. Drug company				
											4. Other				
															
10. How do you define antibiotics? (Free text)															q10_defineab
															
Antibiotic definition category											1. Disease treatment (not specified)				q10_defineab_cat
											2. Bacterial disease treatment				
															
11. Do you have any specialized training/education in antibiotic mechanisms and antibiotic treatment recommendations?											1. Yes 				q11_eduab
											2. No				
															
12. If Yes to 11, how long (days or weeks) and by whom (public/private/NGOs etc.)? (Free text)												blank=no answer			q12_eduab_where
															
Antibiotics training provider category											1. sub-DAH	blank=no answer			q12_eduab_where_cat
											2. District veterinary station				
											3. Drug company				
											4. Other				
															
13.  Do you have any education in Vietnamese regulations regarding veterinary antibiotic use and sales?											1. Yes				q13_edureg
											2. No				
															
14. If Yes to 13, how long (days or weeks) and by whom (public/private/NGOs etc.)? (Free text)												blank=no answer			q14_edureg_where
															
Regulations training provider category											1. sub-DAH	blank=no answer			q14_edureg_where_cat
											2. District veterinary station				
											3. Other				
															
15. Have you heard about antimicrobial/antibiotic resistance?											1. Yes				q15_heardamr
											2. No				
16. If Yes to 15, how do you define antimicrobial/antibiotic resistance? (Free text)												blank=no answer			q16_defineamr
															
17. What livestock species are the most commonly owned by the farmers that come to your shop (not pets)? (up to 3 can be chosen)											1. Chickens/hens	1=yes	blank=no		q17_common_chick
											2. Other poultry	1=yes	blank=no		q17_common_otherpoultry
											3. Pigs	1=yes	blank=no		q17_common_pigs
											4. Cattle	1=yes	blank=no		q17_common_cattle
											5. Small ruminants	1=yes	blank=no		q17_common_small
											6. Other   	1=yes	blank=no		q17_common_other
															
18. Does your family also have some livestock?											1. Yes				q18_familylivestock
											2. No				
															
19. If Yes to 18, what kind of livestock do you keep (not pets)? (multiple choice) 											1. Chickens/hens	1=yes	blank=no		q19_famlive_chick
											2. Other poultry	1=yes	blank=no		q19_famlive_otherpoultry
											3. Pigs	1=yes	blank=no		q19_famlive_pigs
											4. Cattle	1=yes	blank=no		q19_famlive_cattle
											5. Small ruminants	1=yes	blank=no		q19_famlive_small
											6. Other	1=yes	blank=no		q19_famlive_other
															
20. When farmers come to buy antibiotics in your shop, on who’s initiative do they usually come?											1. Their own initiative				q20_initiative
											2. After recommendation from a veterinarian (governmental or private)				
											3. After recommendation from other				
															
21. Have farmers that come to you to buy antibiotics had their animals examined by an animal health professional (e.g. veterinarian, animal health worker)?											1. Always				q21_examined
											2. Mostly				
											3. Sometimes				
											4. Seldom				
											5. Never				
											6. I don’t know				
															
22. Do you ask for a veterinary prescription before selling antibiotics to farmers?											1. Always				q22_askprescription
											2. Mostly				
											3. Sometimes				
											4. Seldom				
											5. Never				
															
23. Do the farmers that want to buy antibiotics bring a veterinary prescription?											1. Always				q23_bringprescription
											2. Mostly				
											3. Sometimes				
											4. Seldom				
											5. Never				
															
24. When recommending an antibiotic to a farmer that asks for advice regarding treatment of sick animals, which factors do you mainly consider? (up to 3 can be chosen)											1. Preference of the farmer	1=yes	blank=no		q24_rec_preference
											2. Price	1=yes	blank=no		q24_rec_price
											3. That the antibiotic should have a broad treatment spectrum	1=yes	blank=no		q24_rec_broad
											4. That the antibiotic should have an as narrow treatment spectrum as possible	1=yes	blank=no		q24_rec_narrow
											5. Administration route (e.g. mixed in feed, injection, tablets)	1=yes	blank=no		q24_rec_admin
											6. Treatment recommendations for the particular disease	1=yes	blank=no		q24_rec_disease
											7. What you have most in stock	1=yes	blank=no		q24_rec_stock
											8. The antibiotic not being critically important for human use	1=yes	blank=no		q24_rec_human
											9. What has the shortest expiry date	1=yes	blank=no		q24_rec_expiry
											10. Previous feedback from farmers on effectiveness	1=yes	blank=no		q24_rec_effective
											11. Other (specify)	1=yes	blank=no		q24_rec_other
															q24_rec_otherfree
															
25. Do you give the farmer advice on how to use and handle the antibiotics?											1. Yes, mostly				q25_adviceuse
											2. Sometimes				
											3. No				
															
26. If Yes or Sometimes to 25, which kind of advice? (multiple choice)											1. Preparation of the drug (e.g. mixing it with feed or water, preparing injections)	1=yes	blank=no		q26_advice_prep
											2. Administration procedure (i.e. how to give the antibiotic)	1=yes	blank=no		q26_advice_admin
											3. Treatment length	1=yes	blank=no		q26_advice_length
											4. When to stop treatment (e.g. if adverse effects occur) 	1=yes	blank=no		q26_advice_stop
											5. Withdrawal times (i.e. the time you should wait before consuming products like eggs, milk and meat from the treated animal(s))	1=yes	blank=no		q26_advice_withdraw
											6. Dosage	1=yes	blank=no		q26_advice_dose
											7. Handling of leftover antibiotics	1=yes	blank=no		q26_advice_leftover
											8. Which animals to treat (e.g. only the sick animals, the whole flock, in contact animals)	1=yes	blank=no		q26_advice_which
											9. Other (specify)	1=yes	blank=no		q26_advice_other
															
27. If you give advice regarding treatment length, what do you usually recommend (when treating the disease for the first time)? 											1. What is stated on the package				q27_reclength
											2. What is recommended by veterinary professionals				
											3. To treat until the animal(s) begin to recover				
											4. To treat until the animal(s) completely cured				
											5. Other (specify)	blank=no answer			q27_reclength_other
															
28. If you give advice regarding treatment dosage, what do you usually recommend (when treating the disease for the first time)?											1. What is stated on the package				q28_recdose
											2. What is recommended by veterinary professionals				
											3. A higher dose than what is stated on the package/recommended				
											4. A lower dose than what is stated on the package/recommended				
											5. Other (specify)	blank=no answer			q28_recdose_other
															
29. For which purposes do you recommend antibiotics to farmers? (multiple choice)											1. To treat sick animals	1=yes	blank=no		q29_purpose_treat
											2. To prevent animals from becoming sick	1=yes	blank=no		q29_purpose_prevent
											3. To make animals grow faster/better	1=yes	blank=no		q29_purpose_grow
											4. Other (specify)	1=yes	blank=no		q29_purpose_other
															
30. Do you keep records of antibiotics sold at your shop?											1. Yes				q30_records
											2. No				
															
31. From where do you most commonly buy the antibiotics sold in your shop?											1. Other veterinary drug shop				q31_buyab
											2. Drug company				
											3. Drug wholesaler				
											4. Other (specify)				
															
32. What drug category is the most sold in your shop? (single choice)											1. Antibiotics				q32_mostsold
											2. Anthelmintics				
											3. Anti-inflammatory drugs				
											4. Vitamins and probiotics				
											5. Ectoparasiticides				
											6. Vaccines				
											7. I don’t know				
											8. Other (specify)	blank=no answer			q32_mostsold_other
															
33. Which are the most commonly sold antibiotics in your shop? (up to 3 can be chosen)											1. Tetracyclines (e.g. doxycycline, tetracycline)	1=yes	blank=no		q33_mostsoldab_tetra
											2. Macrolides (e.g. tylosin, erythromycin)	1=yes	blank=no		q33_mostsoldab_macro
											3. Penicillins (e.g. amoxicillin, ampicillin)	1=yes	blank=no		q33_mostsoldab_peni
											4. Quinolones (e.g. enrofloxacin, norfloxacin)	1=yes	blank=no		q33_mostsoldab_quino
											5. Trimethoprim/Sulphonamides (e.g. trimethoprim-sulfadiazine, trimethoprim, sulfamethoxazole)	1=yes	blank=no		q33_mostsoldab_trimsulph
											6. Polypeptides (e.g. colistin)	1=yes	blank=no		q33_mostsoldab_poly
											7. 3rd or 4th generation Cephalosporins (e.g. ceftazidime, cefotaxime, ceftiofur)	1=yes	blank=no		q33_mostsoldab_34ceph
											8. 1st to 2nd generation Cephalosporins (e.g. cefazolin)	1=yes	blank=no		q33_mostsoldab_12ceph
											9. Aminoglycosides (e.g. gentamycin, streptomycin)	1=yes	blank=no		q33_mostsoldab_amino
											10. Amphenicols (e.g. florfenicol, chloramphenicol)	1=yes	blank=no		q33_mostsoldab_amph
											11. Free text if you only know trade name or other antibiotic is more common  	1=yes	blank=no		q33_mostsoldab_other
															
34. Which are the most commonly sold antibiotics to poultry farmers in your shop? (up to 3 can be chosen)											1. Tetracyclines (e.g. doxycycline, tetracycline)	1=yes	blank=no		q34_abpoultry_tetra
											2. Macrolides (e.g. tylosin, erythromycin)	1=yes	blank=no		q34_abpoultry_macro
											3. Penicillins (e.g. amoxicillin, ampicillin)	1=yes	blank=no		q34_abpoultry_peni
											4. Quinolones (e.g. enrofloxacin, norfloxacin)	1=yes	blank=no		q34_abpoultry_quino
											5. Trimethoprim/Sulphonamides (e.g. trimethoprim-sulfadiazine, trimethoprim, sulfamethoxazole)	1=yes	blank=no		q34_abpoultry_trimsulph
											6. Polypeptides (e.g. colistin)	1=yes	blank=no		q34_abpoultry_poly
											7. 3rd or 4th generation Cephalosporins (e.g. ceftazidime, cefotaxime, ceftiofur)	1=yes	blank=no		q34_abpoultry_34ceph
											8. 1st to 2nd generation Cephalosporins (e.g. cefazolin)	1=yes	blank=no		q34_abpoultry_12ceph
											9. Aminoglycosides (e.g. gentamycin, streptomycin)	1=yes	blank=no		q34_abpoultry_amino
											10. Amphenicols (e.g. florfenicol, chloramphenicol)	1=yes	blank=no		q34_abpoultry_amph
											11. Free text if you only know trade name or other antibiotic is more common  	1=yes	blank=no		q34_abpoultry_other
															
35. Which antibiotic do you most commonly recommend to a poultry farmer with birds that show intestinal/digestive disease signs? (single choice)											1. Tetracyclines (e.g. doxycycline, tetracycline)				q35_recab_intest
											2. Macrolides (e.g. tylosin, erythromycin)				
											3. Penicillins (e.g. amoxicillin, ampicillin)				
											4. Quinolones (e.g. enrofloxacin, norfloxacin)				
											5. Trimethoprim/Sulphonamides (e.g. trimethoprim-sulfadiazine, trimethoprim, sulfamethoxazole)				
											6. Polypeptides (e.g. colistin)				
											7. 3rd or 4th generation Cephalosporins (e.g. ceftazidime, cefotaxime, ceftiofur)				
											8. 1st to 2nd generation Cephalosporins (e.g. cefazolin)				
											9. Aminoglycosides (e.g. gentamycin, streptomycin)				
											10. Amphenicols (e.g. florfenicol, chloramphenicol)				
											11. Free text if you only know trade name or other antibiotic is more common  				
															
36. Which antibiotic do you most commonly recommend to a poultry farmer with birds that show respiratory disease signs? (single choice)											1. Tetracyclines (e.g. doxycycline, tetracycline)				q36_recab_resp
											2. Macrolides (e.g. tylosin, erythromycin)				
											3. Penicillins (e.g. amoxicillin, ampicillin)				
											4. Quinolones (e.g. enrofloxacin, norfloxacin)				
											5. Trimethoprim/Sulphonamides (e.g. trimethoprim-sulfadiazine, trimethoprim, sulfamethoxazole)				
											6. Polypeptides (e.g. colistin)				
											7. 3rd or 4th generation Cephalosporins (e.g. ceftazidime, cefotaxime, ceftiofur)				
											8. 1st to 2nd generation Cephalosporins (e.g. cefazolin)				
											9. Aminoglycosides (e.g. gentamycin, streptomycin)				
											10. Amphenicols (e.g. florfenicol, chloramphenicol)				
											11. Free text if you only know trade name or other antibiotic is more common  				
															
37. Can buyers of antibiotics pick them themselves from the store shelves?											1. Yes				q37_pick
											2. No, they have to ask me to get them from behind the counter				
															
39. If you would estimate, how many farmers that buy antibiotics from you to treat sick animals come back and say that the treatment did not work?											1. None				q39_notwork
											2. <25%				
											3. 25-50%				
											4. 50-75%				
											5. >75%				
															
40. What do you usually recommend when an antibiotic treatment is not effective?											1. To continue with treatment longer				q40_recnotwork
											2. To increase the dose				
											3. To switch to another antibiotic				
											4. To combine the treatment with another antibiotic				
											5. To switch to a non-antibiotic medicine				
											6. To switch to traditional medicine, e.g. herbs, medicinal plants				
											7. To call a veterinarian (governmental/private) or animal health worker for advice				
											8. To slaughter the sick animals				
											9. Other (specify)	blank=no answer			q40_recnotwork_other
															
41. If you know about antibiotic resistance, do you inform farmers about the risk for/with resistance development?											1. Yes, often				q41_informamr
											2. Sometimes				
											3. No				
															
42. What do you usually do with expired/leftover veterinary antibiotics? (single choice)											1. Throw in the trash/latrine				q42_expired
											2. Send for hazard destruction				
											3. Sell to farmers at a cheaper price				
											4. Return to drug company/wholesaler				
											5. I have never experienced expired drugs				
											6. Other (specify)	blank=no answer			q42_expired_other
															
												Classification correct/incorrect			
43. What are antibiotics supposed to be used for? (single choice)											1. Prevent animals from becoming sick	Incorrect			q43_absuppuse
											2. Treat sick animals	Correct			
											3. Make animals grow faster/better	Incorrect			
											4. Prevent animals from becoming sick and make animals grow faster/better	Incorrect			
											5. Prevent animals from becoming sick and treat sick animals	Incorrect			
											6. Treat sick animals and make animals grow faster/better	Incorrect			
											7. Prevent animals from becoming sick, treat sick animals and to make animals grow faster/better	Incorrect			
															
44. Do you think that the following statements are true or false?															
a) Antibiotics can treat all kinds of diseases											1. True	Incorrect			q44_alldis
											2. False	Correct			
											3. Unsure	Incorrect			
															
b) Antibiotics can treat diseases caused by viruses											1. True	Incorrect			q44_viraldis
											2. False	Correct			
											3. Unsure	Incorrect			
															
c) Antibiotics can treat diseases caused by bacteria											1. True	Correct			q44_bactdis
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
d) Antibiotics are the same as anti-inflammatory drugs											1. True	Incorrect			q44_antiinflam
											2. False	Correct			
											3. Unsure	Incorrect			
															
e) Animals can become resistant to antibiotics if antibiotics are used in the wrong way/too often											1. True	Incorrect			q44_anires
											2. False	Correct			
											3. Unsure	Incorrect			
															
f) Bacteria can become resistant to antibiotics if used in the wrong way/too often											1. True	Correct			q44_bactres
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
g) Viruses can become resistant to antibiotics if used in the wrong way/too often											1. True	Incorrect			q44_virres
											2. False	Correct			
											3. Unsure	Incorrect			
															
h) Resistance against antibiotics can make it more difficult to succeed with antibiotic treatment in animals when they get sick											1. True	Correct			q44_succeed
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
i) Bacteria resistant to antibiotics can spread from one animal to another											1. True	Correct			q44_spreadani
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
j) Bacteria resistant to antibiotics can spread between animals and humans											1. True	Correct			q44_spreadhum
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
k) Bacteria resistant to antibiotics can spread from animals to humans through animal source foods, e.g. meat											1. True	Correct			q44_spreadasf
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
l) Leftovers of the antibiotic can be transferred to meat, milk or eggs											1. True	Correct			q44_leftover
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
m) Bacteria resistant to antibiotics can spread through manure from animals											1. True	Correct			q44_spreadmanure
											2. False	Incorrect			
											3. Unsure	Incorrect			
															
n) Antibiotic resistance in human bacteria is only linked to the use of antibiotics in humans and not in animals											1. True	Incorrect			q44_amramu
											2. False	Correct			
											3. Unsure	Incorrect			
															
Number correct answers for knowledge questions															nrcorr_know
															
Percent correct answers for knowledge questions (%)															prcorr_know
															
Percent correct answers categorized											1. >40 - 60%				prcorr_cat
											2. >60 - 80%				
											3. >80%				
															
45. Questionnaire ID															q45_id
															
46. Date of interview (YYYY-MM-DD)															q46_date
															
47. District shop is located in											1. Dong Hy				q47_district
											2. Thai Nguyen City				
											3. Vo Nhai				
