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. 2007 Nov 30;12(3):191–198. doi: 10.2188/jea.12.191

Table 3. Age-adjusted and multivariate hazard ratios of death from all causes according to coffee and green tea consumption.

Consumption
 category
 (cups/day)
Analysis for all respondents Analysis after excluding respondents
with less than 5 years of follow-up


No. of
cases
Person-
years
Age-adjusted
hazard ratios
(95%CI)
Multivariate
hazard ratios*
(95%CI)
No. of
cases
Person-
years
Multivariate
hazard ratios*
(95%CI)
Coffee
 Men
 <0.5 132 4685 1 1 89 4539 1
 0.5-1 71 4162 0.71 (0.53-0.94) 0.70 (0.52-0.94) 49 4082 0.67 (0.47-0.96)
 >=2 43 4858 0.50 (0.35-0.71) 0.43 (0.30-0.63) 25 4769 0.34 (0.21-0.54)
 Trend P  0.0001  0.0001  0.0001
 
 Women
 <0.5 61 4367 1 1 35 4252 1
 0.5-1 31 4981 0.63 (0.41-0.98) 0.70 (0.45-1.09) 22 4911 0.88 (0.51-1.52)
 >=2 23 5303 0.72 (0.44-1.20) 0.76 (0.45-1.27) 17 5258 1.00 (0.53-1.86)
 Trend P  0.10  0.18  0.92
 

Green tea
 Men
 <0.5 85 5007 1 1 60 4916 1
 0.5-3 84 5181 0.94 (0.69-1.27) 0.97 (0.71-1.31) 51 5063 0.83 (0.57-1.21)
 >=4 77 3515 0.94 (0.69-1.28) 0.82 (0.60-1.12) 52 3410 0.78 (0.53-1.13)
 Trend P  0.72  0.19  0.22
 
 Women
 <0.5 50 6195 1 1 34 6130 1
 0.5-3 41 5680 0.78 (0.52-1.18) 0.79 (0.52-1.20) 26 5572 0.70 (0.42-1.17)
 >=4 24 2776 0.72 (0.44-1.17) 0.74 (0.45-1.21) 14 2719 0.62 (0.33-1.17)
 Trend P  0.18  0.21  0.12

* Coffee and green tea consumption, age (in years), history of selected diseases, physical activity level (active or inactive), educational status (age at final graduation <16, <18, or >=18 years old), and additionally only in men, smoking status (never smoked, smoked in the past, currently smoking =<20, or >20 cigarettes per day), habitual alcohol consumption (never drank, drank in the past, currently drinking =<46g, or >46g of ethanol) were included in the Cox model as covariates.

CI= confidence interval