... These sensory cues underlie the perceived susceptibility to and perceived severity of air pollution. Additionally, demographic variables such as gender and age (Chuk ling Lai & Tao, 2003;Flynn, Slovic, & Mertz, 1994;Johnson, 2002), socioeconomic variables such as income, education (Aklin, Bayer, Harish, & Urpelainen, 2013;Franzen & Meyer, 2010;Inglehart, 1981Inglehart, , 1995, occupation, and expertise (Sjoeberg & Drottz-Sjoeberg, 2008;Spruijt, Knol, Torenvlied, & Lebret, 2013), and structural variables such as having children (Crighton et al., 2013;Elliott, Cole, Krueger, Voorberg, & Wakefield, 1999;Flynn et al., 1994;Johnson, 2002) and health status (Howel, Moffatt, Bush, Dunn, & Prince, 2003) all potentially influence concern. Indeed, previous research suggests that being female, employed, more knowledgeable about air pollution, and in poorer health condition, as well as having children, are associated with greater concern about air pollution (Elliott et al., 1999;Howel et al., 2003;Johnson, 2002). ...