PsychometricsLogistic ModelsReproducibility of ResultsQuestionnairesFactor Analysis, StatisticalRisk FactorsOdds RatioMultivariate AnalysisCross-Sectional StudiesCase-Control StudiesBiostatisticsPrevalenceSocioeconomic FactorsUnited StatesROC CurveModels, StatisticalRetrospective StudiesAge FactorsCohort StudiesPredictive Value of Tests