| No of cups | Age-adjusted HR, CI 95%a | Multivariate-adjusted HR, CI 95%b | ||||
---|---|---|---|---|---|---|---|
 |  | Total coffee | Boiled coffee | Filtered coffee | Total coffee | Boiled coffee | Filtered coffee |
BMI < 25 | ≤ 1 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
 | 2-3 | 0.93 (0.63-1.38) | 0.88 (0.53-1.47) | 1.29 (0.93-1.79) | 0.96 (0.65-1.42) | 0.87 (0.52-1.46) | 1.25 (0.90-1.74) |
 | 4-7 | 0.78 (0.53-1.16) | 0.88 (0.53-1.44) | 1.05 (0.75-1.49) | 0.86 (0.58-1.29) | 0.97 (0.59-1.60) | 1.11 (0.78-1.57) |
 | ≥ 8 | 0.54 (0.31-0.96) | 0.50 (0.19-1.36) | 0.57 (0.29-1.14) | 0.65 (0.36-1.17) | 0.59 (0.22-1.63) | 0.66 (0.33-1.32) |
p for trend | Â | 0.009 | 0.13 | 0.39 | 0.008 | 0.31 | 0.77 |
BMI ≥ 25 | ≤ 1 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
 | 2-3 | 0.82 (0.57-1.17) | 1.26 (0.85-1.85) | 0.79 (0.58-1.09) | 0.83 (0.58-1.19) | 1.22 (0.83-1.80) | 0.78 (0.57-1.08) |
 | 4-7 | 0.72 (0.51-1.02) | 1.13 (0.77-1.67) | 0.72 (0.51-1.02) | 0.78 (0.55-1.12) | 1.21 (0.82-1.79) | 0.83 (0.60-1.13) |
 | ≥ 8 | 0.33 (0.18-0.61) | 0.33 (0.10-1.02) | 0.40 (0.19-0.83) | 0.39 (0.21-0.73) | 0.39 (0.12-1.23) | 0.46 (0.22-0.96) |
p for trend | Â | 0.0005 | 0.44 | 0.01 | 0.009 | 0.79 | 0.05 |
Never smokers | ≤ 1 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
 | 2-3 | 1.01 (0.7-1.44) | 1.09 (0.72-1.67) | 1.15 (0.85-1.57) | 1.05 (0.74-1.51) | 1.07 (0.70-1.62) | 1.19 (0.87-1.62) |
 | 4-7 | 0.97 (0.67-1.41) | 0.95 (0.57-1.58) | 0.08 (0.76-1.53) | 0.97 (0.67-1.42) | 0.91 (0.55-1.53) | 1.08 (0.76-1.53) |
 | ≥ 8 | 0.54 (0.23-1.26) | 0.36 (0.05-2.52) | 0.67 (0.25-1.83) | 0.49 (0.21-1.16) | 0.33 (0.05-2.33) | 0.63 (0.23-1.72) |
p for trend | Â | 0.41 | 0.59 | 0.99 | 0.26 | 0.44 | 0.94 |
Former smokers | ≤ 1 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
 | 2-3 | 0.75 (0.47-1.19) | 1.05 (0.59-1.86) | 0.69 (0.45-1.05) | 0.76 (0.47-1.21) | 1.04 (0.58-1.85) | 0.70 (0.46-1.07) |
 | 4-7 | 0.76 (0.48-1.21) | 1.79 (1.12-2.85) | 0.79 (0.52-1.18) | 0.74 (0.46-1.18) | 1.69 (1.06-2.72) | 0.77 (0.51-1.16) |
 | ≥ 8 | 0.59 (0.29-1.20) | 0.25 (0.03-1.76) | 0.66 (0.30-1.45) | 0.57 (0.28-1.15) | 0.23 (0.03-1.67) | 0.64 (0.29-1.42) |
p for trend | Â | 0.09 | 0.67 | 0.19 | 0.06 | 0.83 | 0.18 |
Current smokers | ≤ 1 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
 | 2-3 | 0.73 (0.37-1.45) | 1.16 (0.56-2.41) | 1.04 (0.60-1.78) | 0.76 (0.38-1.52) | 1.16 (0.56-2.42) | 1.04 (0.60-1.79) |
 | 4-7 | 0.61 (0.32-1.15) | 0.76 (0.39-1.48) | 0.93 (0.58-1.50) | 0.64 (0.34-1.21) | 0.77 (0.39-1.50) | 0.96 (0.59-1.55) |
 | ≥ 8 | 0.36 (0.17-0.79) | 0.69 (0.28-1.73) | 0.40 (0.17-0.95) | 0.37 (0.17-0.81) | 0.69 (0.28-1.73) | 0.40 (0.17-0.95) |
p for trend | Â | 0.009 | 0.30 | 0.12 | 0.01 | 0.30 | 0.13 |