Table 2.

Crude and Adjusted Relationships between Fish Consumption and Depressive Symptom Severity

				Crude Analysis		Adjusted Analysis
	No/Minimal Depression	Mild Depression	Moderate to Severe Depression	OR	95% CI	OR	95% CI
Exposure Classification	%	%	%
All Fish Meals
(30-day FFQ, # of meals)
None (0)	76.0	16.2	7.7	reference		reference
Low (1–2)	78.9	14.0	7.1	0.86	(0.76, 0.96)	0.98	(0.87, 1.11)
Medium (3–5)	80.0	14.1	5.9	0.79	(0.66, 0.95)	1.04	(0.84, 1.28)
High (6+)	78.5	14.9	6.5	0.87	(0.72, 1.04)	1.23	(1.03, 1.47)
Any (1+)	79.2	14.3	6.5	0.84	(0.74, 0.94)	1.06	(0.94, 1.19)
Non-Breaded Fish Meals
(30-day FFQ, # of meals)
None (0)	75.5	16.5	8.0	reference		reference
Low (1–2)	79.3	13.8	6.9	0.81	(0.71, 0.92)	0.96	(0.84, 1.09)
Medium (3–5)	80.5	13.9	5.7	0.74	(0.63, 0.88)	0.99	(0.83, 1.19)
High (6+)	78.7	15.0	6.3	0.83	(0.68, 1.01)	1.19	(0.98, 1.45)
Any (1+)	79.5	14.1	6.4	0.79	(0.70, 0.90)	1.02	(0.90, 1.15)
Breaded Fish Meals
(30-day FFQ, # of meals)
None (0)	79.0	14.5	6.5	reference		reference
Low (1)	71.1	20.7	8.3	1.50	(1.21, 1.86)	1.40	(1.07, 1.83)
Medium (2)	74.1	13.9	12.0	1.38	(0.95, 2.01)	1.32	(0.88, 1.98)
High (3+)	76.4	14.2	9.4	1.19	(0.89, 1.59)	1.21	(0.82, 1.78)
Any (1+)	73.0	17.4	9.6	1.40	(1.19, 1.65)	1.34	(1.07, 1.67)
Shellfish Meals
(30-day FFQ, # of meals)
None (0)	76.5	15.2	8.3	reference		reference
Low (1)	79.2	14.0	6.8	0.85	(0.72, 1.01)	0.93	(0.80, 1.09)
Medium (2–3)	79.5	16.1	4.4	0.81	(0.70, 0.94)	0.97	(0.83, 1.15)
High (4+)	81.1	12.9	6.0	0.75	(0.59, 0.96)	0.99	(0.77, 1.27)
Any (1+)	79.9	14.4	5.7	0.81	(0.70, 0.93)	0.96	(0.85, 1.10)
EPA + DHA
(24-hour dietary recall, g/1,000 Kcal)
None (0)	68.1	21.1	10.8	reference		reference
Low (≤0.012)	77.7	14.8	7.5	0.62	(0.47, 0.81)	0.77	(0.60, 0.98)
Medium (>0.012 – ≤0.037)	78.5	14.9	6.6	0.59	(0.43, 0.79)	0.77	(0.59, 1.01)
High (>0.037)	80.9	13.5	5.6	0.50	(0.37, 0.68)	0.71	(0.55, 0.92)
Any (>0)	79.0	14.4	6.6	0.57	(0.43, 0.75)	0.75	(0.59, 0.96)