title: Failed or misleading adjustment for confounding.
authors.affiliation: Department of Epidemiology and Population Sciences, London School of Hygiene and Tropical Medicine, UK.
authors.forename: D A
authors.initials: DA
authors.lastname: Leon
mesh_terms: D000367:Age Factors; D000393:Air Pollutants / Q000009:adverse effects; D015982:Bias; D015984:Causality; D016001:Confidence Intervals; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D015658:HIV Infections / Q000453:epidemiology; D006801:Humans; D017533:Marital Status; D015233:Models, Statistical; D011336:Probability; D012907:Smoking / Q000453:epidemiology
chemical_list: D000393:Air Pollutants