Results
On the basis of the BDI scores, 20 percent of the study subjects (N=647) had mild depressive symptoms, 6.3 percent (N=201) had moderate symptoms, and 1.5 percent (N=48) had severe symptoms.
Nearly two-thirds of the respondents (64 percent, N=2,053) reported eating fish or fish meals once or twice a week, 6.3 percent (N=201) ate fish daily or almost daily, and about 30 percent (N=950) consumed fish once or twice a month or less often.