Table 4.
Risk of mortality from ischaemic heart disease in relation to fish consumption in quintiles (third quintile as reference), and as a continuous variable with 10 g increment
| Q1 | Q2 | Q3 | Q4 | Q5 | Continuous, 10 g increment | |
|---|---|---|---|---|---|---|
| Male | ||||||
| Total fish consumption (g/d) | ||||||
| N cases | 448 | 524 | 519 | 472 | 252 | 2,215 |
| HR crudea | 1.05 (0.87–1.26) | 1.04 (0.87–1.24) | Ref | 1.01 (0.86–1.19) | 1.15 (0.96–1.56) | 1.01 (0.99–1.03) |
| HR uncalibrated | 1.03 (0.85–1.23) | 1.01 (0.85–1.23) | Ref | 1.03 (0.88–1.21) | 1.23 (1.03–1.47) | 1.02 (1.00–1.04) |
| HR calibrated | 0.99 (0.75–1.30) | 0.98 (0.74–1.30) | Ref | 1.08 (0.82–1.43) | 1.09 (0.83–1.44) | 1.02 (0.98–1.06) |
| Lean fish consumption (g/d) | ||||||
| N cases | 384 | 244 | 336 | 536 | 444 | 1,944 |
| HR crudea | 1.23 (0.98–1.54) | 1.08 (0.86–1.37) | Ref | 1.15 (0.95–1.39) | 1.31 (1.07–1.60) | 1.03 (0.99–1.06) |
| HR uncalibrated | 1.26 (1.00–1.57) | 1.07 (0.85–1.35) | Ref | 1.19 (0.98–1.44) | 0.96 (0.79–1.17) | 1.03 (1.00–1.07) |
| HR calibrated | 0.83 (0.59–1.17) | 0.94 (0.67–1.32) | Ref | 1.00 (0.71–1.40) | 0.95 (0.67–1–33) | 1.05 (0.99–1.10) |
| Fatty fish consumption (g/d) | ||||||
| N cases | 463 | 360 | 438 | 332 | 351 | 1,944 |
| HR crudea | 1.00 (0.84–1.20) | 0.92 (0.75–1.13) | Ref | 0.80 (0.66–0.97) | 0.90 (0.74–1.10) | 0.97 (0.93–1.01) |
| HR uncalibrated | 0.97 (0.81–1.16) | 0.89 (0.73–1.09) | Ref | 0.84 (0.70–1.02) | 0.92 (0.83–1.12) | 0.99 (0.95–1.03) |
| HR calibrated | 1.14 (0.87–1.49) | 1.14 (0.87–1.49) | Ref | 1.04 (0.79–1.36) | 1.05 (0.80–1.38) | 0.99 (0.93–1.05) |
| Female | ||||||
| Total fish consumption (g/d) | ||||||
| N cases | 252 | 199 | 227 | 213 | 159 | 1,050 |
| HR crudea | 1.05 (0.80–1.37) | 0.91 (0.70–1.19) | Ref | 1.00 (0.78–1.28) | 0.90 (0.68–1.19) | 0.98 (0.95–1.02) |
| HR uncalibrated | 1.07 (0.82–1.41) | 0.91 (0.70–1.19) | Ref | 1.00 (0.78–1.28) | 0.94 (0.71–1.25) | 0.99 (0.95–1.03) |
| HR calibrated | 1.20 (0.79–1.81) | 1.16 (0.77–1.75) | Ref | 1.18 (0.78–1.77) | 1.08 (0.71–1.62) | 0.96 (0.89–1.05) |
| Lean fish consumption (g/d) | ||||||
| N cases | 212 | 175 | 179 | 216 | 162 | 944 |
| HR crudea | 1.06 (0.80–1.42) | 0.97 (0.71–1.31) | Ref | 0.88 (0.67–1.16) | 0.98 (0.72–1.32) | 0.97 (0.92–1.03) |
| HR uncalibrated | 1.10 (0.82–1.48) | 1.00 (0.74–1.35) | Ref | 0.88 (0.67–1.17) | 0.98 (0.72–1.32) | 0.96 (0.91–1.02) |
| HR calibrated | 0.98 (0.63–1.51) | 0.78 (0.67–1.32) | Ref | 0.85 (0.55–1.31) | 0.80 (0.52–1.23) | 0.93 (0.83–1.03) |
| Fatty fish consumption (g/d) | ||||||
| N cases | 256 | 206 | 187 | 174 | 121 | 944 |
| HR crudea | 1.18 (0.91–1.53) | 1.11 (0.84–1.48) | Ref | 1.07 (0.82–1.41) | 1.05 (0.76–1.44) | 0.99 (0.93–1.06) |
| HR uncalibrated | 1.18 (0.91–1.54) | 1.09 (0.82–1.44) | Ref | 1.13 (0.86–1.49) | 1.14 (0.83–1.57) | 1.03 (0.96–1.10) |
| HR calibrated | 0.97 (0.64–1.47) | 1.02 (0.68–1.55) | Ref | 1.09 (0.72–1.65) | 1.00 (0.66–1.51) | 1.03 (0.89–1.19) |
Data for males and females are presented separately, with 99 % confidence intervals, statistically significant results in bold
Adjusted for energy from fat, energy from carbohydrates and proteins, dietary fibres, red meat, processed meat, vegetables, fruit, alcohol intake, body mass index, physical activity, smoking, education. Lean and fatty fish were mutually adjusted for
aStratified on age, unadjusted, uncalibrated