Table 1.
Baseline characteristicsa of the population by fatty-fish intake
| Fatty-fish intake |
|||||
|---|---|---|---|---|---|
| Never (n = 5813) | <1 servings/week (n = 10 700) | 1 serving/week (n = 16 588) | 2 servings/week (n = 5340) | ≥3 servings/week (n = 926) | |
| Age (years) | 58.0 ± 9.8 | 59.3 ± 9.6 | 58.9 ± 9.2 | 61.0 ± 9.2 | 64.9 ± 9.3 |
| Physical activity (MET h/day) | 41.9 ± 5.1 | 41.9 ± 5.0 | 41.4 ± 4.8 | 41.5 ± 4.8 | 42.3 ± 5.1 |
| Body mass index (kg/m2) | 25.7 ± 3.5 | 25.6 ± 3.2 | 25.6 ± 3.2 | 25.8 ± 3.3 | 26.0 ± 3.6 |
| Cigarette smoking | |||||
| Current | 1605 (27.6) | 2675 (25.0) | 3808 (23.0) | 1235 (23.1) | 253 (27.3) |
| Past | 1963 (33.8) | 3972 (37.1) | 6375 (38.4) | 2161 (40.5) | 344 (37.2) |
| Never | 2245 (38.6) | 4053 (37.9) | 6405 (38.6) | 1944 (36.4) | 329 (35.5) |
| Marital status | |||||
| Single | 534 (9.2) | 753 (7.0) | 882 (5.3) | 324 (6.1) | 131 (14.2) |
| Married | 4513 (77.6) | 8792 (82.2) | 14 318 (86.3) | 4474 (83.8) | 654 (70.6) |
| Divorced | 524 (9.0) | 764 (7.1) | 963 (5.8) | 367 (6.9) | 73 (7.9) |
| Widowed | 242 (4.2) | 391 (3.7) | 425 (2.6) | 175 (3.3) | 68 (7.3) |
| Education | |||||
| Less than high school | 4218 (72.6) | 7800 (72.9) | 10 683 (64.4) | 3427 (64.2) | 712 (76.9) |
| High school | 773 (13.3) | 1406 (13.1) | 2622 (15.8) | 789 (14.8) | 93 (10.0) |
| University | 822 (14.1) | 1494 (14.0) | 3283 (19.8) | 1124 (21.1) | 121 (13.1) |
| Family history of myocardial infarction | 629 (10.8) | 1254 (11.7) | 2016 (12.2) | 638 (12.0) | 123 (13.3) |
| History of hypertension | 1050 (18.1) | 2129 (19.9) | 3169 (19.1) | 1217 (22.8) | 232 (25.1) |
| History of high cholesterol | 546 (9.4) | 1231 (11.5) | 2046 (12.3) | 706 (13.2) | 120 (13.0) |
| Energy intake (kcal/day) | 2518 ± 862 | 2605 ± 803 | 2719 ± 787 | 2878 ± 819 | 3251 ± 1237 |
| Alcohol (g/day) | 8.7 ± 10.8 | 9.2 ± 9.6 | 11.4 ± 9.9 | 12.6 ± 11.0 | 11.9 ± 14.9 |
| Sodium (g/day)b | 3098 ± 514 | 3139 ± 409 | 3224 ± 387 | 3351 ± 402 | 3825 ± 727 |
| Fibre (g/day)b | 25.0 ± 7.9 | 25.5 ± 6.8 | 25.8 ± 6.6 | 26.6 ± 6.4 | 25.6 ± 7.4 |
| Red and processed meat (servings/day) | 1.1 ± 0.9 | 1.2 ± 0.7 | 1.3 ± 0.7 | 1.4 ± 0.8 | 1.9 ± 1.7 |
| Marine omega-3 (g/day)b | 0.13 ± 0.09 | 0.27 ± 0.08 | 0.43 ± 0.11 | 0.74 ± 0.18 | 1.82 ± 1.08 |
aNumbers are means ± standard deviation or n (%).
bAdjusted for energy using the residuals method.