APPENDIX.

Responses to Knowledge and Demand Questions Among Parents in 2000 Versus 2013 for Medicaid and Commercial Insurance, Weighted

		Medicaid Insurance			Commercial Insurance
		2000, N (%)	2013, N (%)	P	2000, N (%)	2013, N (%)	P
Total knowledge
1. How often are antibiotics needed for sore throat?	Sometimes or almost never	211 (83)	126 (80)	NS	680 (90)	173 (94)	NS
2. How often are antibiotics needed for colds or flu?	Almost never	109 (45)	69 (44)	NS	560 (74)	142 (78)	NS
3. How often are antibiotics needed for ear infection?	Almost always or sometimes	244 (96)	139 (87)	<.01	740 (96)	176 (94)	NS
4. How often are antibiotics needed for runny nose or green nasal discharge?	Almost never	56 (22)	50 (32)	.02	176 (23)	91 (49)	<.01
5. How often are antibiotics needed for deep cough or bronchitis?	Almost never	13 (5)	19 (12)	<.01	66 (9)	26 (14)	.02
6. How often are antibiotics needed for middle ear fluid?	Sometimes or almost never	74 (29)	66 (43)	<.01	337 (44)	104 (56)	<.01
7. How often are antibiotics needed for strep throat?	Almost always	232 (90)	110 (71)	<.01	684 (89)	162 (87)	NS
8. Are most colds caused by bacteria or viruses?	Virus	165 (61)	98 (61)	NS	610 (81)	163 (86)	NS
9. Are antibiotics helpful in treating bacteria, viruses, or both?	Bacterial	137 (51)	60 (38)	<.01	552 (73)	137 (72)	NS
10. If my child does not receive an antibiotic for cold, will he or she be sick for a longer time?	Disagree or strongly disagree	131 (48)	82 (51)	NS	527 (69)	138 (73)	NS
High antibiotic expectation
1. I will take my child to another doctor.	Strongly agree or agree	28 (10)	40 (25)	<.01	59 (8)	19 (10)	NS
2. If I expect an antibiotic, I am less satisfied if I don’t receive one.	Strongly agree or agree	26 (10)	39 (24)	<.01	109 (14)	29 (15)	NS
3. I would rather give my child an antibiotic than wait and see.	Strongly agree or agree	25 (9)	30 (19)	<.01	62 (8)	11 (6)	NS