To examine the effectiveness of a culturally sensitive sign to encourage stair use among African American commuters.16,035 commuters were observed in their using either stairs or an adjacent escalator in a subway station. After baseline observation, a culturally sensitive sign to promote stair use was displayed beside the escalator/stairs. Demographic information and use of escalators/stairs were recorded.Stair use increased from 15.8
作者：Ross E, Andersen；Shawn C, Franckowiak；Kim B, Zuzak；Elise S, Cummings；Susan J, Bartlett；Carlos J, Crespo
来源：Sozial- und Praventivmedizin 2006 年 51卷 6期
