Table 1

Characteristics of 32 232 women born 1914–1948 from the Swedish Mammography Cohort by quintile of dietary long-chain n-3 polyunsaturated fatty acid intake (≤0.21 to >0.49 g/day, median in parentheses) in 1997

CharacteristicDietary long-chain n-3 polyunsaturated fatty acids (quintiles)
≤0.21 (0.15)0.22–0.29 (0.25)0.30–0.37 (0.33)0.38–0.49 (0.42)>0.49 (0.62)
No of cases5535393937
Age (years)61.8 (9.5)60.7 (8.9)60.2 (8.7)60.9 (8.9)63 (9.2)
Current smokers (%)24.022.822.222.922.2
Alcohol drinkers (%)72.982.887.186.583.3
Use of aspirin (%)41.143.344.843.943.5
Years of education (>12 years, %)16.821.321.419.517.7
Body mass index (kg/m2)24.85 (4.02)24.81 (3.82)24.90 (3.77)25.07 (3.82)25.41 (4.09)
Total physical activity (met-h/day)42.71 (4.91)42.49 (4.72)42.41 (4.63)42.46 (4.74)42.53 (4.73)
Fatty acids
 α-Linolenic (g/day)1.13 (0.3)1.15 (0.26)1.17 (0.25)1.18 (0.25)1.21 (0.25)
 Linoleic (g/day)5.83 (1.82)6.00 (1.51)6.22 (1.49)6.32 (1.53)6.34 (1.6)
 Arachidonic (g/day)0.07 (0.021)0.08 (0.02)0.09 (0.022)0.10 (0.026)0.12 (0.04)
Energy intake (kcal)1782 (584)1823 (520)1740 (449)1671 (497)1667 (551)
  • Unless otherwise indicated, values are mean (SD).