S. F.
A Psychometric Assessment of the Newest Vital Sign among Youth in Guatemala City
background objective psychometrically sound health literacy assessments widely available us adults youth however among international youth populations dearth reliable instruments study undertaken order assess psychometric viability using spanish version newest vital sign nvs previously validated us among sample youth living guatemala city methods analysis based 230 youth attending various schools within guatemala city guatemala rasch modeling used estimate item difficulty discrimination parameters item fit indices itemtotal correlations differential item functioning male female youth results majority items nvs exhibit acceptable properties last item demonstrated statistically significant dif practically important magnitude dif 043 suggesting females likely males answer item correctly controlling amount health literacy students possess conclusion using nvs among international spanishspeaking youth populations aware nvs appears appropriate use latin america females may tend slightly higher scores males additional psychometric testing instrument among similar crossnational samples youth needed