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One Epidemiological Strategy
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adjustment age category age-specific antecedent artifactual association bias biostatistics calculated case-control study causal cause cell chapter characteristics CHD CHD cohort effect cohort study compared comparison conclusions confounding variables consider coronary heart disease cross-sectional study death rates denominator develop a stroke diabetes distribution epidemiology estimate Evans County example Exercise expected number experimental fallacy findings health events health outcome historical cohort study hypertension hypothesis is true incidence rate increase labeling lung cancer males noncases nonstressed null hypothesis number of deaths number of subjects observed p-value patients point prevalence point prevalence rate population attributable risk population parameters possible prevalence study quantitative variable rate of CHD Reference number Pages reject the null relative risk reliability risk factor sampling variability selective shown in Table smoking social class specific statistical test status stressed test of significance tion Topic Reference number Total treatment Type II error ulcer validity