Variable | Non-tea-drinking [n (%)] | Tea-drinking [n (%)] | χ2 | P value |
---|---|---|---|---|
Age (year) | Â | Â | 3.818 | 0.051 |
  < 60 | 71 (43.6%) | 70 (55.1%) |  |  |
  ≥ 60 | 92 (56.4%) | 57 (44.9%) | ||
Income | Â | Â | 1.209 | 0.272 |
  < 2000 | 37 (22.7%) | 36 (28.3%) |  |  |
  ≥ 2000 | 126 (77.3%) | 91 (71.7%) | ||
Chemotherapy | Â | Â | 0.193 | 0.660 |
 No | 108 (66.3%) | 81 (63.8%) |  |  |
 Yes | 55 (33.7%) | 46 (36.2%) | ||
TNM stage | Â | Â | 0.692 | 0.405 |
 I/II stage | 87 (53.4%) | 74 (58.3%) |  |  |
 III stage | 76 (46.6%) | 53 (41.7%) | ||
Types of tea drinking |  |  | – | – |
 Non-fermented | – | 36 (12.4%) |  |  |
 Semi-fermentation | – | 61 (21.0%) |  |  |
 fully fermented | – | 18 (6.2%) |  |  |
 Other tea | – | 12 (4.1%) |  |  |
Frequency of tea drinking |  |  | – | – |
  <  5times/week | – | 35 (27.6%) |  |  |
  ≥ 5times/week | – | 92 (72.4%) |  |  |
Duration of tea drinking (year) |  |  | – | – |
  < 30 | – | 64(53.3%) |  |  |
  ≥ 30 | – | 56(46.7%) |  |  |