Table 1.
Demographic and clinical description of study participants included in the analysis.
Fig 1.
Number of cancer cases and matched controls included in the analysis.
EC: esophageal cancer; GEJC: Gastro-esophageal junction cancer; OC: oral cancer; PHC: pharyngeal cancer. *Exclusions: 2 stomach cancer cases, 3 non-primary esophageal cancer cases (relapse), 1 eligible EC case refusing to complete the study questionnaire.
Table 2.
Qat and tobacco use and risk of esophageal and gastro-esophageal junction cancers combined in a pilot case–control study in Addis Ababa.
Table 3.
Education level, religion, dietary habits, and risk of esophageal and gastro-esophageal junction cancers combined in a pilot case–control study in Addis Ababa.