“…A complete description of NHIS methodology is provided elsewhere [NCHS, 2006[NCHS, , 2012NIOSH, 2012a]. The NHIS has been used as a focused source of health outcome data in a variety of recent industry-and occupation-related studies [Robinson et al, 2011;Dillon et al, 2002;Fleming et al, 2003;Kriebel et al, 2004;Gomez-Marin et al, 2005;Yassin, 2007;Tak and Calvert, 2008;Bang et al, 2009;Forrest and Cali, 2009;Vidal et al, 2009;Zhang et al, 2009;Lombardi et al, 2010;Luckhaupt et al, 2010;Arheart et al, 2011;Syamlal et al, 2011].…”