plaque index – dmf index – oral hygiene index – periodontal index – health status indicators – sickness impact profile – mass screening – anonymous testing – genetic screening – mass chest x-ray – multiphasic screening – neonatal screening – vision screening – nutrition surveys – diet surveys – population surveillance – sentinel surveillance – health care surveys – interviews – focus groups – narration – nutrition assessment – nutrition surveys – diet surveys – questionnaires – records – birth certificates – death certificates – dental records – hospital records – medical records – medical record linkage – medical records systems, computerized – medical records, problem-oriented – trauma severity indices – nursing records – registries – seer program – vital statistics – life expectancy – life tables – morbidity – basic reproduction number – incidence – prevalence – mortality – cause of death – child mortality – fatal outcome – fetal mortality – hospital mortality – infant mortality – maternal mortality – survival rate – pregnancy rate – birth rate – disease notification – epidemiology, molecular – epidemiologic research design – cross-over studies – double-blind method – matched-pair analysis – meta-analysis – random allocation – reproducibility of results – sample size – sensitivity and specificity – predictive value of tests – roc curve – single-blind method – epidemiologic study characteristics – epidemiologic studies – case-control studies – retrospective studies – cohort studies – follow-up studies – longitudinal studies – prospective studies – cross-sectional studies – seroepidemiologic studies – hiv seroprevalence – clinical trials – clinical trials, phase i – clinical trials, phase ii – clinical trials, phase iii – clinical trials, phase iv – controlled clinical trials – randomized controlled trials – multicenter studies – feasibility studies – intervention studies – pilot projects – sampling studies – twin studies – sentinel surveillance – statistics – actuarial analysis – analysis of variance – multivariate analysis – area under curve – cluster analysis – small-area analysis – space-time clustering – confidence intervals – data interpretation, statistical – discriminant analysis – factor analysis, statistical – matched-pair analysis – models, statistical – likelihood functions – linear models – logistic models – models, economic – models, econometric – nomograms – proportional hazards models – monte carlo method – probability – bayes theorem – likelihood functions – markov chains – odds ratio – proportional hazards models – risk – logistic models – risk assessment – risk