Table 1

Lifestyle characteristics for the population in the Västerbotten Intervention Program, by fish consumption level
Fish ≤ 3 times/week Fish > 3 times/week
N Mean (95% CI) N Mean (95% CI) P-value* Percentage difference P for non-difference between men and women†
Age (y) Men 31662 47.4 (47.3, 47.5) 1120 51.2 (50.8, 51.7) < 0.001 8.17 0.396
Women 33172 47.3 (47.2, 47.4) 1694 51.4 (51.0, 51.8) < 0.001 8.79
Lean fish Men 31662 0.57 (0.56, 0.57) 1120 2.12 (2.04, 2.21) 275 0.020
(times/week) Women 33172 0.65 (0.65, 0.66) 1694 2.34 (2.28, 2.41) 258
Fatty fish Men 31662 0.48 (0.48, 0.48) 1120 1.92 (1.81, 2.02 298 <0.001
(times/week) Women 33172 0.50 (0.49, 0.50) 1694 1.58 (1.52, 1.65) 220
Vegetables Men 19778 5.05 (4.99, 5.12) 746 8.80 (8.29, 9.31) < 0.001 74.0 0.265
(times/week) Women 19874 8.38 (8.29, 8.47) 1138 13.4 (12.9, 14.0) < 0.001 60.4
Fruit & berries Men 19778 8.11 (8.01, 8.20) 746 11.9 (11.3, 12.5) < 0.001 46.8 0.197
(times/week) Women 19874 12.7 (12.6, 12.9) 1138 16.7 (16.1, 17.2) < 0.001 30.7
Alcohol Men 31662 1.35 (1.33, 1.36) 1120 1.62 (1.50, 1.74) < 0.001 20.1 0.014
(times/week) Women 33172 0.94 (0.93, 0.95) 1694 0.98 (0.92, 1.04) 0.190 3.95
Strong beer Men 31662 0.47 (0.46, 0.47) 1120 0.55 (0.47, 0.62) 0.043 17.0 <0.001
(times/week) Women 33172 0.23 (0.23, 0.23) 1694 0.20 (0.19, 0.21) < 0.001 −13.1
Wine Men 31662 0.48 (0.47, 0.48) 1120 0.63 (0.57, 0.68) < 0.001 31.3 <0.001
(times/week) Women 33172 0.49 (0.49, 0.50) 1694 0.56 (0.52, 0.60) 0.002 13.2
Spirits Men 31662 0.40 (0.40, 0.41) 1120 0.44 (0.41, 0.48) 0.022 10.4 0.016
(times/week) Women 33172 0.22 (0.21, 0.22) 1694 0.22 (0.20, 0.24) 0.393 0.92
Physically active Men 30912 76 (75, 76) 1097 85 (83, 87) < 0.001 12.0 0.0019
(%) Women 32638 84 (84, 84) 1661 90 (88, 91) < 0.001 7.13
Smokers Men 31214 25 (25, 26) 1105 21 (19, 24) 0.003 −15.3 <0.001
(%) Women 32931 26 (25, 26) 1684 25 (23, 27) 0.263 −3.68
Academic education Men 31526 22 (21, 22) 1115 27 (25, 30) < 0.001 24.3 0.0018
(%) Women 33006 30 (29, 30) 1670 34 (31, 36) < 0.001 12.7

*P-value for non-difference between low to moderate and high fish consumers within gender.

†P-value for equal percentage difference between men and women between low to moderate and high fish consumers (2-sample t-test).

Wennberg et al.

Wennberg et al. Nutrition Journal 2012 11:101   doi:10.1186/1475-2891-11-101

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