“…Ethnicity was Delay in diagnosis of upper GI cancers S Macdonald et al associated with reduced delay (Wile et al, 1993), while lower socioeconomic status (Hackett et al, 1973;Mikulin and Hardcastle, 1987;Porta et al, 1996) was associated with increased delay. By and large, sex had no impact on delay (MacAdam, 1979;Mikulin and Hardcastle, 1987;Porta et al, 1996;Mariscal et al, 2001), whereas the evidence presented for education level (Porta et al, 1996;Mariscal et al, 2001) and age was inconclusive (Bedikan et al, 1979;MacAdam, 1979;Mikulin and Hardcastle, 1987;Zilling et al, 1990;Porta et al, 1996;Mariscal et al, 2001;Look et al, 2003) (Table 2).…”