Table 1 Descriptive data of study subjects by gastric cancer phenotype.
From: Genetic Variation in the TAS2R38 Bitter Taste Receptor and Gastric Cancer Risk in Koreans
Total (N = 1,580) | Case (N = 449) | Control (N = 1,131) | p * | |
|---|---|---|---|---|
General characteristics | ||||
Number of participants (%) | ||||
Male | 832 (52.6) | 296 (65.9) | 536 (47.3) | <0.001 |
Female | 748 (47.3) | 153 (34.0) | 595 (52.6) | |
Age (years) | 53.0 ± 9.31 | 55.4 ± 10.7 | 52.1 ± 8.4 | <0.001 |
Body mass index (kg/m2) | 23.7 ± 3.04 | 23.6 ± 3.2 | 23.7 ± 2.9 | 0.342 |
Smoking behaviour (%) | <0.001 | |||
Non-smoker | 815 (51.5) | 170 (37.8) | 645 (57.0) | |
Ex-smoker | 416 (26.3) | 131 (29.1) | 285 (25.2) | |
Current smoker | 313 (19.8) | 131 (29.1) | 182 (16.0) | |
Missing | 36 (2.2) | 17 (3.7) | 19 (1.6) | |
Alcohol drinking behaviour (%) | 0.004 | |||
Current drinker | 916 (57.9) | 256 (57.0) | 660 (58.3) | |
Ex-drinker | 123 (7.7) | 46 (10.2) | 77 (6.8) | |
Non-drinker | 505 (31.9) | 130 (28.9) | 375 (33.1) | |
Missing | 36 (2.2) | 17 (3.7) | 19 (1.6) | |
Regular exercise (%) | <0.001 | |||
Yes | 746 (47.2) | 154 (34.3) | 592 (52.3) | |
No | 793 (50.1) | 279 (62.1) | 514 (45.4) | |
Missing | 41 (2.5) | 16 (3.5) | 25 (2.2) | |
Helicobacter pylori infection (%) | <0.001 | |||
Negative | 489 (30.9) | 38 (8.4) | 451 (39.8) | |
Positive | 1091 (69.0) | 411 (91.5) | 680 (60.1) | |
Dietary intake | ||||
Energy (kcal/day) | 1850.7 ± 638.4 | 2038.1 ± 694.2 | 1778.7 ± 600.5 | <0.001 |
Fibre (g/day) | 20.4 ± 6.7 | 19.4 ± 6.5 | 20.8 ± 6.7 | <0.001 |
Vegetables (g/day) | 382.4 ± 194 | 374.3 ± 203.3 | 385.6 ± 190.3 | 0.070 |
Cruciferous | 183.1 ± 118.1 | 196.4 ± 135.9 | 178 ± 110.1 | 0.198 |
Dark green | 41.2 ± 38.3 | 38.4 ± 36.8 | 42.3 ± 38.9 | 0.007 |
Non-starchy | 335.8 ± 177.9 | 331.4 ± 187.7 | 337.6 ± 174.0 | 0.120 |
Fruits (g/day) | 182.1 ± 201.6 | 135.4 ± 166.9 | 199.9 ± 210.8 | <0.001 |
Citrus | 39.2 ± 55.3 | 30.7 ± 44.5 | 42.2 ± 58.4 | <0.001 |
Sweets (g/day) | 30.1 ± 63.2 | 33.5 ± 91.6 | 28.8 ± 48.2 | 0.831 |
Fat-foods (g/day) | 4.7 ± 4.8 | 4.6 ± 5.4 | 4.7 ± 4.6 | 0.348 |
