Table 3.

Lag effects of per IQR increase in air pollutants on allergic conjunctivitis: multi-pollutant model.

Characteristics	PM 2.5		PM 10		CO		NO 2		SO 2		O 3
	Lag effects RRs (95% CI)
	Single	Cumulative	Single	Cumulative	Single	Cumulative	Single	Cumulative	Single	Cumulative	Single	Cumulative
Adjusted for PM2.5	–	–	1.066 (1.003–1.133) *	1.213 (0.942–1.562)	1.158 (0.920–1.458)	1.187 (0.921–1.529)	1.059 (0.999–1.122)	1.231 (0.962–1.574)	0.977 (0.938–1.017)	1.283 (0.98–1.679)	0.814 (0.633–1.047)	0.671 (0.447–1.006)
Adjusted for PM10	1.079 (0.959–1.214)	1.190 (0.876–1.616)	–	–	1.158 (0.920–1.458)	1.155 (0.922–1.448)	1.076 (0.993–1.166)	1.212 (0.961–1.528)	0.977 (0.939–1.017)	0.922 (0.769–1.106)	0.814 (0.633–1.047)	0.671 (0.447–1.006)
Adjusted for CO	1.093 (0.976–1.225)	0.863 (0.672–1.106)	1.078 (1.015–1.144) *	0.884 (0.769–1.015)	–	–	1.064 (1.004–1.127) *	0.910 (0.750–1.105)	0.976 (0.938–1.016)	0.879 (0.729–1.059)	0.808 (0.629–1.037)	0.693 (0.475–1.013)
Adjusted for NO2	1.114 (0.962–1.29)	1.148 (0.881–1.494)	1.080 (1.017–1.148) *	1.149 (0.940–1.404)	0.997 (0.887–1.121)	1.178 (0.926–1.500)	–	–	0.977 (0.938–1.017)	0.900 (0.740–1.094)	0.805 (0.626–1.034)	0.702 (0.481–1.025)
Adjusted for SO2	1.089 (0.970–1.221)	1.155 (0.905–1.473)	1.081 (1.018–1.148) *	1.155 (0.954–1.398)	1.103 (0.894–1.360)	1.179 (0.893–1.557)	1.061 (1.001–1.124) *	1.206 (0.961–1.514)	–	–	0.804 (0.625–1.034)	0.688 (0.470–1.007)
Adjusted for O3	1.096 (0.978–1.228)	0.888 (0.717–1.101)	1.079 (1.017–1.146) *	0.889 (0.784–1.009)	1.016 (0.946–1.092)	1.107 (0.844–1.451)	1.067 (1.007–1.13) *	1.182 (0.958–1.458)	0.983 (0.944–1.023)	0.933 (0.783–1.113)	–	–
Adjusted for the other five pollutants	1.090 (0.968–1.228)	1.164 (0.803–1.686)	1.078 (1.013–1.148) *	1.255 (0.967–1.629)	1.092 (0.851–1.401)	1.178 (0.843–1.647)	1.069 (1.008–1.133) *	1.182 (0.958–1.458)	0.978 (0.938–1.019)	0.933 (0.783–1.113)	0.798 (0.617–1.032)	0.663 (0.438–1.004)

Bolded represents statistically significant correlation.

RRs, relative risks; ^*P < 0.05.