Table 3.

The comparison of reductions in attributable measures (95%CI) between seasons when various targets attained

			heating season		non-heating season		P
PM 2.5	NAAQS grade II	AN	144.247	(91.775,191.827)	125.711	(63.306,188.752)	0.651
		AF	0.079	(0.052,0.104)	0.056	(0.026,0.086)	0.256
	NO pollution	AN	156.767	(104.504,208.363)	186.101	(73.435,293.414)	0.636
		AF	0.086	(0.054,0.117)	0.083	(0.031,0.132)	0.921
PM 10	NAAQS grade II	AN	89.603	(30.452,146.015)	158.481	(87.590,233.751)	0.147
		AF	0.049	(0.017,0.079)	0.071	(0.040,0.102)	0.325
	NO pollution	AN	96.527	(24.105,166.702)	252.334	(121.342,380.115)	0.039
		AF	0.053	(0.014,0.089)	0.113	(0.049,0.170)	0.099
SO 2	NAAQS grade II	AN	78.081	(50.389,100.071)	1.098	(0.380,1.665)	<0.001
		AF	0.043	(0.028,0.057)	0	(0.000,0.001)	<0.001
	NO pollution	AN	169.393	(97.695,247.563)	175.952	(95.114,253.964)	0.906
		AF	0.093	(0.052,0.127)	0.079	(0.045,0.116)	0.595
NO 2	NAAQS grade II	AN	101.905	(70.140,137.544)	20.799	(8.632,33.041)	<0.001
		AF	0.056	(0.037,0.074)	0.009	(0.004,0.014)	<0.001
	NO pollution	AN	182.028	(106.111,257.134)	161.705	(58.121,264.812)	0.756
		AF	0.1	(0.058,0.137)	0.073	(0.022,0.122)	0.406
CO	NAAQS grade II	AN	28.72	(13.043,41.699)	0	(0.000,0.000)	<0.001
		AF	0.016	(0.007,0.023)	0	(0.000,0.000)	<0.001
	NO pollution	AN	47.601	(−25.486,129.523)	126.827	(52.925,194.297)	0.139
		AF	0.026	(−0.017,0.062)	0.057	(0.029,0.088)	0.218
O 3	NAAQS grade II	AN	−0.779	(−1.165,-0.438)	39.887	(4.494,68.760)	0.013
		AF	0	(−0.001,0.000)	0.018	(0.002,0.030)	0.012
	NO pollution	AN	−63.776	(−92.863,-33.397)	155.081	(−17.711,314.930)	0.011
		AF	−0.035	(− 0.052,-0.022)	0.07	(− 0.003,0.137)	0.004

AF attributable fraction, AN attributable number, CI confidence interval

Bold: statistically significantly higher than the other season