Sangeet Khemlani, Max Lotstein, J Gregory Trafton, P N Johnson-Laird
Immediate inferences from quantified assertions
Quarterly journal of experimental psychology (2006)
suggested health literacy may impact use decision aids das among patients facing difficult decisions embedded pilot test questionnaire study aimed measure association health literacy pregnant womens intention use da decide prenatal screening recruited convenience sample 45 pregnant women three clinical sites family practice teaching unit birthing center obstetrical ambulatory care clinic asked participating women complete selfadministered questionnaire assessing intention use da decide prenatal screening assessed health literacy levels using one subjective two objective scales two three scales discriminated levels health literacy three numeracy questions three health literacy questions found positive correlation pregnant womens intention use da subjective health literacy spearman coefficient rho 032 p 004 objective health literacy spearman coefficient rho 007 p 065 hence subjective health literacy may affect intention use da among pregnant women facing decision prenatal screening special attention given pregnant women lower health literacy levels increase intention use da ensure every pregnant women give informed valuebased consent prenatal screening