Table 1 Socio-demographic characteristics in cases and controls.
Cases | ||||
|---|---|---|---|---|
Characteristic | Controls (n = 102) | Chronic gastritis (n = 100) | Gastric ulcer (n = 28) | p-value |
Age (mean ± sd; years) | 29.8 ± 11 | 46.1 ± 14.6 | 56.3 ± 17.1 | <0.001€ |
Gender n(%) | ||||
Female | 65 (63.7) | 64 (64) | 19 (67.9) | 0.917 θ |
Male | 37 (36.3) | 36 (36) | 9 (32.1) | |
Education [mean (range); years] | 12 (12-17) | 12 (6-17) | 6 (0-12) | <0.001† |
Geographical area n(%) | ||||
Chilpancingo | 44 (43.1) | 30 (30) | 5 (17.9) | 0.021 θ |
Other municipalities | 58 (56.9) | 70 (70) | 23 (82.1) | |
Family history of gastritis and/or ulcer n(%) | 0.001 θ | |||
No | 49 (48.0) | 39 (39.0) | 22 (78.6) | |
Yes | 53 (52.0) | 61 (61.0) | 6 (21.4) | |
Smoking habit n(%) | ||||
No | 39 (38.2) | 65 (65) | 10 (35.7) | <0.001θ |
Current smoker or former smoker | 63 (61.8) | 35 (35) | 18 (64.3) | |
Alcohol consumption n(%) | ||||
No | 14 (13.7) | 22 (22) | 7 (25) | 0.211 θ |
Consumes or consumed | 88 (86.3) | 78 (78) | 21 (75) | |