Chandra Y. Osborn|Kenneth A. Wallston|Adam Shpigel|Kerri L. Cavanaugh|Sunil Kripalani|Russell L. Rothman
Development and validation of the General Health Numeracy Test (GHNT)
Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center
existing numeracy measures may optimally assess health numeracy developed validated general health numeracy test ghntan iterative pilot testing process produced 21 ghnt items administered 205 patients along validated measures health literacy objective numeracy subjective numeracy medication understanding medication adherence assessed ghnts internal consistency reliability construct validity explored predictive validityon average participants 550 138 years old 649 female 298 nonwhite 517 incomes 39k 144 29 years education psychometric testing produced 6item version ghnt6 ghnt21 ghnt6 acceptablegood internal consistency reliability kr20087 vs 077 respectively versions positively associated income education health literacy objective numeracy subjective numeracy p001 furthermore versions associated participants understanding medications medication adherence unadjusted analyses ghnt21 associated medication understanding adjusted analysesthe ghnt21 ghnt6 reliable valid tools assessing health numeracybrief reliable valid assessments health numeracy assess patients numeracy status may ultimately help providers educators tailor education patients