TABLE 5. FULLY ADJUSTED HR (95% CI) FOR LUNG CANCER MORTALITY IN RELATION TO EACH 10 mg/m3 INCREASE IN PM2.5 (1999–2000) CONCENTRATIONS ACCORDING TO SELECTED RISK FACTORS, NEVER-SMOKERS, MULTIPLICATIVE SCALE, FOLLOW-UP 1982–2008, CPS-II COHORT, UNITED STATES