. Author manuscript; available in PMC: 2010 Nov 15.

Published in final edited form as: Int J Cancer. 2009 Nov 15;125(10):2413–2417. doi: 10.1002/ijc.24543

Table 2.

Rate Ratios (RRs) and 95% CIs of coffee consumption in relation to endometrial cancer for 60,634 women in the Swedish Mammography Cohort.

Coffee consumption	≤1 cups	2–3 cups	≥4 cups	P_trend	Per 1 cup ^*
Baseline
No of cases	271	312	94
Person-years	320 532	548 404	197 412
Age-adjusted RR (95% CI) ^†	1.00 (ref)	0.75 (0.62–0.92)	0.72 (0.56–0.93)	0.01	0.89 (0.82–0.95)
Multivariable adjusted RR (95% CI) ^‡	1.00 (ref)	0.78 (0.64–0.95)	0.75 (0.58–0.97)	0.02	0.90 (0.83–0.97)
Long-term
No of cases	224	304	149
Age-adjusted RR (95% CI) ^†	1.00 (ref)	0.82 (0.68–0.98)	0.82 (0.66–1.02)	0.02	0.92 (0.85–0.99)
Multivariable adjusted RR (95% CI) ^‡	1.00 (ref)	0.82 (0.69–0.98)	0.85 (0.69–1.05)	0.03	0.93 (0.86–1.00)

Cup size standardized to 200gram

^†

Rate ratios from Cox proportional hazards models adjusted for age in months.

^‡

Rate ratios from Cox proportional hazards models adjusted for age in months, BMI (<20, 20–25, 26–30, >30) and smoking (never/ever/missing).