Table 3.

Hazard ratios and 95% CI of per 10 µg/m³ increase in air pollutant exposure and per 0.1 µg/m³ increase in greenness exposure associated with mortality among newly treated patients with tuberculosis in full cohort

Environmental exposure	Model 1			Model 2			Model 3
	HR	LCI	UCI	HR	LCI	UCI	HR	LCI	UCI
PM2.5	1.138	1.129	1.147	1.149	1.140	1.158	1.135	1.123	1.147
PM10	1.165	1.158	1.172	1.175	1.167	1.182	1.182	1.173	1.192
O3	1.043	1.037	1.048	1.050	1.045	1.056	1.034	1.028	1.040
SO2	1.551	1.512	1.591	1.517	1.479	1.556	1.333	1.296	1.370
NDVI	0.941	0.932	0.950	0.921	0.912	0.930	0.936	0.925	0.947
NDVI_250m	0.935	0.926	0.943	0.913	0.904	0.922	0.927	0.916	0.938
NDVI_500m	0.932	0.923	0.940	0.909	0.900	0.918	0.919	0.908	0.931

Model 1, adjusted for the individual characteristics of the patients including sex, age, and occupation; Model 2, Model 1, plus patient type (source of patients, diagnostic classification of patients, whether patients are severe, and whether patients are detainees) and treatment management style; Model 3, Model 2, plus environmental factors including working environment, region, mean temperature, and relative humidity

PM_2.5, particulate matter < 2.5 μm in aerodynamic diameter; PM₁₀, particulate matter < 10 μm in aerodynamic diameter; SO₂, sulfur dioxide; O₃, ozone; NDVI, normalized difference vegetation index; NDVI_250m, normalized difference vegetation index in the 250-m buffer; NDVI_500m, normalized difference vegetation index in the 500-m buffer; HR, hazard ratios; UCI, upper confidence interval; LCI, lower confidence interval