Table 2 The baseline variables and histological evaluation of 120 subjects for the establish model
| Â | Number of male | Number of female | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | (30 out-patients/30 healthy volunteers) | (30 out-patients/30 healthy volunteers) | ||||||||||
Age range | <30 | 30-39 | 40-49 | 50-59 | 60-69 | >69 | <30 | 30-39 | 40-49 | 50-59 | 60-69 | >69 |
Number | 5 | 12 | 14 | 10 | 14 | 5 | 5 | 11 | 17 | 11 | 12 | 4 |
H.pylori infection positive | 1 | 2 | 1 | 2 | 0 | 0 | 1 | 2 | 3 | 2 | 1 | 0 |
Histopathologic results | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Atrophy | 2 | 3 | 8 | 1 | 8 | 2 | 2 | 8 | 14 | 5 | 6 | 1 |
 Intestinal metaplasia | 0 | 1 | 4 | 1 | 6 | 1 | 1 | 4 | 10 | 3 | 4 | 1 |
 Mild Dysplasia | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
Occupation | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Students | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
 Professional | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 5 | 4 | 1 | 0 | 0 |
 Administrative | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 5 | 1 | 0 | 0 |
 Sales | 1 | 2 | 1 | 1 | 3 | 0 | 1 | 1 | 2 | 0 | 0 | 0 |
 Blue-collar | 1 | 3 | 5 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Freelance | 1 | 4 | 5 | 0 | 2 | 0 | 1 | 3 | 5 | 2 | 7 | 0 |
 Retired | 0 | 0 | 0 | 5 | 7 | 5 | 0 | 0 | 0 | 7 | 5 | 4 |
High job pressure | 3 | 3 | 4 | 3 | 3 | 0 | 1 | 5 | 8 | 1 | 2 | 0 |
Sleeping time | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 >8 h | 1 | 5 | 4 | 2 | 3 | 0 | 1 | 4 | 3 | 5 | 1 | 0 |
 6-8 h | 3 | 2 | 5 | 2 | 3 | 5 | 3 | 2 | 7 | 5 | 5 | 2 |
 <6 h | 1 | 5 | 5 | 6 | 8 | 0 | 1 | 5 | 7 | 1 | 6 | 2 |
Poor quality of sleeping | 1 | 4 | 1 | 1 | 2 | 1 | 1 | 2 | 0 | 2 | 1 | 1 |
Family history | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Stomach cancer | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
 Other cancer | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
History of peptic ulcer | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 |
Smoking status & history | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Seldom | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 <10 cigarettes per day | 0 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 10-20 cigarettes per day | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 >20 cigarettes per day | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
 Less than 5 years | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 5-10 years | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 More than 10 years | 0 | 0 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
Coffee habits | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 2 | 1 | 2 | 1 | 0 |
 Less than 5 years | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 1 | 0 |
 More than 5 years | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 |
Tea drinking habits | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Green tea | 2 | 4 | 3 | 4 | 2 | 2 | 0 | 3 | 0 | 1 | 0 | 0 |
 Black tea | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 |
 Others | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
 Less than 5 years | 1 | 4 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 More than 5 years | 1 | 1 | 4 | 3 | 2 | 2 | 0 | 2 | 2 | 3 | 0 | 0 |
Alcohol drinking habits | 0 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 <250 ml per day | 0 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 >250 ml per day | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 Less than 5 years | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 More than 5 years | 0 | 1 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Spicy flavors | 1 | 2 | 2 | 1 | 0 | 0 | 1 | 3 | 3 | 2 | 1 | 1 |
Regular meals | 5 | 5 | 9 | 6 | 8 | 4 | 1 | 5 | 7 | 6 | 10 | 4 |
Lengths of meals | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 <10 minutes | 4 | 4 | 5 | 2 | 1 | 0 | 3 | 2 | 5 | 4 | 3 | 0 |
 10-30 minutes | 0 | 8 | 8 | 3 | 10 | 2 | 2 | 3 | 10 | 5 | 8 | 1 |
 >30 minutes | 1 | 0 | 1 | 5 | 3 | 3 | 0 | 6 | 2 | 2 | 1 | 3 |
Drinking liquid at eating time | 2 | 5 | 8 | 6 | 5 | 2 | 5 | 3 | 10 | 2 | 3 | 2 |
Consumption of milk | 2 | 7 | 7 | 5 | 4 | 2 | 3 | 9 | 8 | 5 | 6 | 2 |
Consumption >2 per week | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Salted fermented products | 0 | 5 | 3 | 4 | 7 | 2 | 1 | 5 | 5 | 6 | 4 | 1 |
 Desserts | 2 | 2 | 3 | 0 | 3 | 0 | 4 | 2 | 4 | 3 | 1 | 0 |
 Dehydrated foods | 2 | 3 | 3 | 0 | 1 | 0 | 2 | 4 | 2 | 1 | 0 | 0 |
 Fried foods | 1 | 6 | 2 | 2 | 1 | 0 | 3 | 4 | 8 | 4 | 4 | 0 |
 Leftovers | 2 | 6 | 6 | 3 | 10 | 5 | 0 | 4 | 11 | 9 | 5 | 1 |
 Seafood | 1 | 7 | 7 | 1 | 2 | 0 | 3 | 5 | 3 | 2 | 3 | 1 |
 Pickled vegetables | 0 | 1 | 0 | 2 | 3 | 2 | 0 | 2 | 4 | 6 | 2 | 2 |