Study-specific and combined relative risks (95% confidence intervals) of gastric cancer incidence (b) per 60 g/day increment in salted fish intake and (a) comparing the highest to the lowest intake of salted fish; Abbreviation: GC, Gastric Cancer; RR, Relative Risk; CI, Confidence Interval; CCHT, Changle County Helicobacter Trial; FMCHES, Finnish Mobile Clinic Health Examination Survey; Hawaii DOH, Hawaii Department of Health Survey; HERPACC, Hospital-based Epidemiologic Research Program at Aichi Cancer Center; JPHC, The Japan Public Health Center-based prospective Study; KMCC, Korean Multi-center Cancer Cohort.