Total DM Non-DM Age (y) 0.584 Gender Male 2,526 47.83% 279 45.44% 2,247 48.15% Female 2,755 52.17% 335 54.56% 2,420 51.85% 0.207 Occupation Peasant 2,956 55.97% 346 56.35% 2,610 55.92% Other 2,325 44.03% 268 43.65% 2,057 44.08% 0.841 Educational level Illiterate or no education 2,566 48.59% 295 48.05% 2,271 48.66% Primary education and above 2,715 51.41% 319 51.95% 2,396 51.34% 0.774 Individual monthly income ≤¥2000 4,327 81.98% 486 79.15% 3,841 82.35% >¥2000 951 18.02% 128 20.85% 823 17.65% 0.052 Smoking No 3,917 74.17% 481 78.34% 3,436 73.62% Yes 1,364 25.83% 133 21.66% 1,231 26.38% 0.012 Alcohol consumption No 4,094 77.52% 484 78.83% 3,610 77.35% Yes 1,187 22.48% 130 21.17% 1,057 22.65% 0.410 Type of tea consumption Non-tea consumption 3,469 65.69% 395 64.33% 3,074 65.87% Green tea 1,619 30.66% 196 31.92% 1,423 30.49% Non-green tea 193 3.65% 23 3.75% 170 3.64% 0.751 Frequency of tea consumption Non-tea consumption 3,469 65.69% 395 64.33% 3,074 65.87% 1–5 times/week 192 3.64% 20 3.26% 172 3.69% >5 times/week 1,620 30.68% 199 32.41% 1,421 30.45% 0.563 Duration of tea consumption (y) 0.253
