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Table 2 Multivariate logistic regression of the odds ratios (95% confidence interval) for the incidence of depressive symptoms by tertiles of seaweed intakes at baseline (n = 500)

From: Dietary seaweed intake and depressive symptoms in Japanese adults: a prospective cohort study

 

Tertiles of seaweed intakes at baseline

p for trend

Tertile 1

Tertile 2

Tertile 3

Range, g/1000 kcal/day

0, 2.9

2.9, 7.3

7.3, 46.1

 

No. of participants

167

167

166

 

No. of participants with depressive symptoms

10

21

15

 

 Model 1a

1.00 (ref)

2.23 (0.99–5.01)

1.72 (0.73–4.09)

0.226

 Model 2b

1.00 (ref)

2.27 (0.99–5.19)

1.75 (0.72–4.22)

0.229

 Model 3c

1.00 (ref)

2.51 (1.07–5.93)

1.51 (0.61–3.77)

0.399

 Model 4d

1.00 (ref)

2.43 (1.02–5.82)

1.41 (0.55–3.65)

0.501

  1. aAdjusted for baseline Self-rating Depression Scale, sex, log age, and log body mass index
  2. bSame as Model 1 + occupation (desk work), education level (≥college), and living status (alone)
  3. cSame as Model 2 + smoking status (current, former, never), alcohol use frequency (every day, sometimes, never), breakfast skipping (≥3 times/week), physical activity (0, 0.1–22.9, ≥ 23 metabolic equivalent hours/week), and metabolic syndrome
  4. dSame as Model 3 + log intakes of protein, green leafy vegetables, and fish