TABLE III.
JASMINE TEA CONSUMPTION AND ESCC RISK IN MALES
| Control (%) | Esophageal cancer | Gastric cardia adenocarcinoma | Gastric non-cardia adenocarcinoma | |||||
|---|---|---|---|---|---|---|---|---|
| Case (%) | OR (95% CI)# | Case (%) | OR (95% CI)# | Case (%) | OR (95% CI)# | |||
| Intensity (gram/month) a | Never | 717 (65) | 213 (57) | 1 | 297 (60) | 1 | 153 (64) | 1 |
| 50–99 | 94 (8) | 28 (7) | 0.88 (0.55–1.40) | 39 (8) | 0.90 (0.59–1.36) | 20 (8) | 0.82 (0.48–1.41) | |
| 100–199 | 156 (14) | 72 (19) | 1.36 (0.94–1.97) | 100 (20) | 1.51 (1.08–2.11) | 45 (19) | 1.17 (0.74–1.85) | |
| 200–1000 | 140 (13) | 63 (17) | 1.36 (0.77–2.43) | 56 (11) | 0.90 (0.51–1.57) | 21 (9) | 0.64 (0.27–1.49) | |
| P for trend | 0.146 | 0.201 | 0.936 | |||||
| Duration (years) a | Never | 717 (65) | 213 (57) | 1 | 297 (60) | 1 | 153 (64) | 1 |
| 1–14 | 127 (11) | 48 (13) | 1.06 (0.72–1.57) | 56 (11) | 1.11 (0.78–1.59) | 30 (13) | 1.02 (0.64–1.62) | |
| 15–28 | 125 (11) | 64 (17) | 1.40 (0.92–2.11) | 71 (5) | 1.43 (0.98–2.09) | 31 (13) | 1.04 (0.62–1.76) | |
| 29–69 | 138 (13) | 51 (14) | 0.94 (0.55–1.61) | 68 (14) | 1.15 (0.72–1.84) | 25 (10) | 0.90 (0.45–1.79) | |
| P for trend | 0.603 | 0.225 | 0.906 | |||||
| Lifetime consumption (gram-year)b | Never | 717 (65) | 213 (57) | 1 | 297 (60) | 1 | 153 (64) | 1 |
| 50–1499 | 121 (11) | 37 (10) | 0.88 (0.59–1.34) | 59 (12) | 1.16 (0.82–1.64) | 32 (13) | 1.10 (0.70–1.72) | |
| 1500–3749 | 141 (13) | 55 (14) | 1.16 (0.81–1.66) | 73 (15) | 1.24 (0.89–1.72) | 32 (13) | 0.90 (0.58–1.40) | |
| 3750–24750 | 128 (11) | 71 (19) | 1.68 (1.19–2.39) | 63 (13) | 1.15 (0.81–1.63) | 22 (9) | 0.75 (0.45–1.25) | |
| P for trend | 0.007 | 0.221 | 0.302 | |||||
| Strength | Never | 717 (65) | 213 (57) | 1 | 297 (60) | 1 | 153 (64) | 1 |
| Weak | 157 (14) | 58 (15) | 1.07 (0.76–1.52) | 80 (16) | 1.15 (0.84–1.57) | 36 (15) | 0.91 (0.60–1.38) | |
| Medium | 114 (10) | 51 (14) | 1.36 (0.93–1.989) | 51 (10) | 1.08 (0.75–1.57) | 27 (11) | 1.04 (0.65–1.67) | |
| Strong | 118 (11) | 54 (14) | 1.34 (0.92–1.95) | 64 (13) | 1.35 (0.95–1.91) | 23 (10) | 0.82 (0.49–1.36) | |
| P for trend | 0.054 | 0.112 | 0.556 | |||||
| Age started | Never | 717 (65) | 213 (57) | 1 | 297 (60) | 1 | 153 (64) | 1 |
| 42–70 | 131 (12) | 42 (11) | 0.96 (0.65–1.43) | 76 (15) | 1.31 (0.94–1.82) | 26 (11) | 0.96 (0.59–1.55) | |
| 27–41 | 136 (12) | 69 (18) | 1.55 (1.10–2.18) | 70 (14) | 1.25 (0.90–1.74) | 39 (16) | 1.16 (0.76–1.77) | |
| 5–26 | 123 (11) | 52 (14) | 1.18 (0.80–1.71) | 49 (10) | 0.97 (0.67–1.41) | 21 (9) | 0.64 (0.38–1.07) | |
| P for trend | 0.074 | 0.539 | 0.314 | |||||
##
ORs adjusted for age at interview, geographic regions, occupation, ever tobacco smoking, ever alcohol drinking, drinking water source, ever scalding-hot food consumption, and family history of esophageal or gastric cancer;
a
Further adjusted for total tea consumption
b
Gram-year is an estimate of lifetime tea consumption, which was calculated as the product of intensity (gram/month) and duration (years). 1 gram-year is equivalent to 1 gram/month for 1 year. The medians for the 4 categories were 0, 750, 2400, and 7500 gram-years respectively.