Journal of Cancer Prevention

eISSN 2288-3657
pISSN 2288-3649

Hazard ratios (HRs) and 95% confidence intervals (CIs) for colorectal cancer incidence according to daily green tea consumption

Daily green tea consumption, no. of cups
None < 1 1 to < 2 ≥ 2
Men (n = 39,380)
Number 15,638 16,655 5,310 1,777
Person-years 136,468.0 153,977.0 49,931.2 17,195.8
Colorectal cancer
No. of event 198 189 57 19
Crude HR 1.00 (reference) 0.90 (0.74–1.10) 0.88 (0.66–1.18) 0.88 (0.55–1.40)
aHRa 1.00 (reference) 0.91 (0.74–1.12) 0.89 (0.66–1.21) 0.90 (0.56–1.45)
Colon cancer
No. of event 116 98 33 7
Crude HR 1.00 (reference) 0.81 (0.62–1.06) 0.90 (0.61–1.32) 0.57 (0.27–1.23)
aHRa 1.00 (reference) 0.81 (0.61–1.06) 0.90 (0.60–1.33) 0.58 (0.27–1.26)
Rectal cancer
No. of event 82 91 24 12
Crude HR 1.00 (reference) 1.03 (0.76–1.39) 0.86 (0.55–1.36) 1.28 (0.70–2.34)
aHRa 1.00 (reference) 1.06 (0.78–1.43) 0.90 (0.56–1.43) 1.32 (0.71–2.45)
Women (n = 74,863)
Number 32,324 31,924 8,173 2,442
Person-years 281,591.0 300,302.0 78,776.0 24,922.5
Colorectal cancer
No. of event 199 206 42 16
Crude HR 1.00 (reference) 1.04 (0.85–1.26) 0.84 (0.60–1.17) 1.03 (0.62–1.71)
aHRa 1.00 (reference) 1.03 (0.84–1.25) 0.83 (0.59-1.17) 1.04 (0.62–1.74)
Colon cancer
No. of event 131 138 30 11
Crude HR 1.00 (reference) 1.07 (0.84–1.36) 0.92 (0.62–1.37) 1.10 (0.59–2.03)
aHRa 1.00 (reference) 1.06 (0.83–1.35) 0.92 (0.61–1.38) 1.11 (0.60–2.07)
Rectal cancer
No. of event 68 68 12 5
Crude HR 1.00 (reference) 0.98 (0.70–1.38) 0.68 (0.37–1.26) 0.91 (0.37–2.25)
aHRa 1.00 (reference) 0.97 (0.69–1.37) 0.67 (0.36–1.24) 0.92 (0.37–2.29)

Values are present as number only or HR (95% CI).

aHR, adjusted HR.

aAdjusted for education level (< 10 yr, 10–12 yr, > 12 yr, and missing), BMI (< 18.5 kg/m2, 18.5–22.9 kg/m2, 23–24.9 kg/m2, ≥ 25 kg/m2, and missing), smoking status (non-smoker, ex-smoker, current smoker, and missing), alcohol consumption (non-drinker, ex-drinker, current drinker, and missing), regular exercise (no, yes, and missing), first-degree family history of colorectal cancer (no, yes, and missing), red and processed meat intake (g/d, continuous), vegetable and fruits intake (g/d, continuous), and energy intake (kcal/d, continuous).

J Cancer Prev 2022;27:229~238 https://doi.org/10.15430/JCP.2022.27.4.229
© J Cancer Prev
© Korean Society of Cancer Prevention. / Powered by INFOrang Co., Ltd