Table 2a: Descriptive statistics for Appropriate Testing for Children with Pharyngitis
Year	Participating health plans	No. participating health plans(%)	Mean	Median	Minimum	Maximum	
2008	HMO	47(13)	75.8	75.1	44.2	96.0	
	HMO/POS Combined	143(38)	75.3	78.2	35.2	89.8	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	6(2)					
	PPO	176(47)	73.2	74.8	43.1	90.1	
	Total	375(101)					
							
2009	HMO	47(13)	77.8	78.5	56.7	95.2	
	HMO/POS Combined	147(40)	76.6	79.0	37.8	90.6	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	7(2)					
	PPO	167(45)	74.0	75.0	39.8	88.7	
	Total	371(101)					
							
2010	HMO	49(13)	78.2	77.6	52.5	96.4	
	HMO/POS Combined	157(40)	77.7	80.0	44.0	92.0	
	HMO/POS/PPO Combined	4(1)					
	HMO/PPO Combined	0(0)					
	POS	7(2)					
	PPO	175(45)	75.5	76.4	41.0	92.9	
	Total	392(101)					
							
2011	HMO	45(13)	78.6	78.3	51.7	96.1	
	HMO/POS Combined	133(38)	78.9	81.7	48.6	95.8	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	160(46)	76.7	77.3	39.1	93.8	
	Total	347(99)					
							
2012	HMO	48(13)	78.7	79.2	22.1	95.6	
	HMO/POS Combined	138(37)	80.7	82.7	2.2	96.6	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	180(48)	79.3	80.0	46.5	94.1	
	Total	375(100)					

Table 2b: Descriptive statistics for Appropriate Treatment for Children with Upper Respiratory Infections
Year	Participating health plans	No. participating health plans (%)	Mean	Median	Minimum	Maximum	
2008	HMO	46(12)	86.7	88.0	72.5	96.7	
	HMO/POS Combined	143(38)	83.7	84.5	63.5	98.5	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	6(2)					
	PPO	176(47)	82.9	84.5	49.9	98.5	
	Total	374(100)					
							
2009	HMO	46(12)	87.5	89.0	72.3	98.2	
	HMO/POS Combined	147(40)	84.2	85.1	58.5	99.1	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	7(2)					
	PPO	169(45)	82.9	84.7	49.1	98.9	
	Total	372(100)					
							
2010	HMO	51(13)	86.6	90.3	31.1	97.8	
	HMO/POS Combined	157(40)	83.9	84.7	59.5	96.8	
	HMO/POS/PPO Combined	4(1)					
	HMO/PPO Combined	0(0)					
	POS	7(2)					
	PPO	174(4)	82.5	84.2	48.9	96.7	
	Total	393(100)					
							
2011	HMO	47(13)	87.3	89.7	55.8	98.1	
	HMO/POS Combined	133(38)	85.7	86.8	60.3	98.2	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	161(46)	83.7	85.6	44.5	98.5	
	Total	350(99)					
							
2012	HMO	48(13)	86.0	89.2	46.3	99.2	
	HMO/POS Combined	139(37)	84.0	84.7	55.2	99.0	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	180(48)	82.0	84.1	44.7	95.4	
	Total	376(100)					

Table 2c:  Descriptive statistics for Avoidance of Antibiotic Treatment in Adults with Acute Bronchitis
Year	Participating health plans	No. participating health plans (%) 	Mean	Median	Minimum	Maximum	
2008	HMO	46 (12)	29.9	23.8	14.5	85.6	
	HMO/POS Combined	144(38)	23.9	23.0	14.5	44.6	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	6(2)					
	PPO	176(47)	27.9	26.7	15.8	81.2	
	Total	375(100)					
							
2009	HMO	48(13)	29.8	24.0	9.9	90.5	
	HMO/POS Combined	149(40)	23.0	22.1	15.8	34.4	
	HMO/POS/PPO Combined	2(1)					
	HMO/PPO Combined	0(0)					
	POS	7(2)					
	PPO	169(45)	26.4	24.7	15.0	77.7	
	Totsl	375(101)					
							
2010	HMO	52(13)	28.2	23.9	12.8	87.7	
	HMO/POS Combined	157(40)	22.6	21.5	13.8	79.9	
	HMO/POS/PPO Combined	3(1)					
	HMO/PPO Combined	0(0)					
	POS	6(2)					
	PPO	176(45)	22.4	21.5	14.4	41.9	
	Total	394(101)					
							
2011	HMO	47(13)	27.9	22.6	12.3	75.0	
	HMO/POS Combined	132(38)	20.9	20.3	8.5	36.8	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	161(46)	21.4	20.7	11.8	39.2	
	Total	349(99)					
							
2012	HMO	47(13)	30.4	26.0	13.8	71.6	
	HMO/POS Combined	139(37)	21.9	20.6	10.3	43.4	
	HMO/POS/PPO Combined	5(1)					
	HMO/PPO Combined	1(0)					
	POS	3(1)					
	PPO	180(48)	21.4	20.5	7.4	39.2	
	Total	375(100)