the neighborhood environment walkability scale for the republic of korea: reliability and relationship with walking

background: the aim of the study was to analyze the reliability of the korean version of the news and to investigate the relationship between walking and environmental factors by gender. methods: a total of 1407 korean adults, aged 20-59 yr, participated in the study. data were collected between sep 2013 and oct 2013. to examine the test-retest reliability, 281 of the 1407 participants were asked to answer the same questionnaire (korean news-a scale) after a 7-d interval. results: the icc range of the entire questionnaire was 0.71-0.88. the item on land use mix-diversity had the highest icc, and that on physical barriers had the lowest. in addition, presents the partial correlation coefficients for walking and the news-a score, adjusted for social demographic variables. overall, land use mix-diversity ( p <0.034) and land use mix-access ( p <0.014) showed a positive relationship with walking. discussion: examination of the reliability of the korean news-a scale based on korean adults who reside in large cities showed that all items had statistically satisfactory reliability. korean news-a scale may be a useful measure for assessing environmental correlates of walking among population in korea.