Table 1

Demographic characteristics of study population from multicenter, collaborative study of esophageal and gastric cancer

Controls n = 687Case groups
Esophageal adenocarcinoma n = 282Gastric cardia adenocarcinoma n = 255Esophageal squamous cell carcinoma n = 206Noncardia gastric cancer n = 352
Site
 New Jersey33213711293170
 Connecticut204777978111
 Washington15168643571
Sex (% male)79.983.385.180.669.3
Race (% nonwhite)4.90.71.220.98.5
Mean age61.863.762.564.865.9
Mean usual adult BMIa25.426.826.524.325.3
Mean kcal/day19301990203018801970
  • a BMI, body mass index.