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Table 2 Determinants of depression among RA patients

From: The underrated prevalence of depression in Japanese patients with rheumatoid arthritis - evidence from a Nationwide survey in Japan

Characteristics

Univariate analysis

Multivariate analysis

ORs (95%CI)

P-value

ORs (95%CI)

P-value

Age

0.95 (0.93–0.97)

<0.001

0.96 (0.94–0.98)

0.001

Gender (Reference: Male)

 Female

1.59 (1.07–2.38)

0.023

0.86 (0.49–1.51)

0.599

Marital status (Reference: Single)

 Married

0.52 (0.34–0.80)

0.003

0.68 (0.40–1.17)

0.168

Highest Education (Reference: High school or less)

 College

0.91 (0.51–1.47)

0.690

0.89 (0.53–1.47)

0.639

 Bachelor’s degree or higher

0.57 (0.38–0.87)

0.010

0.61 (0.38–1.00)

0.050

Occupation (Reference: Full-time)

 Part-time

1.63 (0.96–2.78)

0.072

1.26 (0.68–2.35)

0.459

 Self-employed

0.70 (0.31–1.58)

0.396

0.85 (0.35–2.06)

0.725

 Housewife

1.28 (0.81–2.05)

0.289

1.09 (0.59–2.00)

0.781

 Retired

0.25 (0.06–1.10)

0.067

0.46 (0.94–2.30)

0.348

 Unemployed

1.69 (0.93–3.08)

0.086

1.14 (0.55–2.37)

0.728

 Other

1.60 (0.12–19.85)

0.715

1.48 (0.08–25.86)

0.787

Region

 Hokkaido

1.71 (0.77–3.21)

0.212

  

 Tohoku

0.64 (0.25–1.65)

0.361

  

 Kanto

1.10 (0.77–1.59)

0.584

  

 Chubu

0.75 (0.42–1.34)

0.333

  

 Kansai

1.09 (0.70–1.71)

0.692

  

 Chugoku

0.79 (0.32–1.92)

0.600

  

 Shikoku

1.88 (0.57–6.19)

0.296

  

 Kyushu

0.68 (0.31–1.48)

0.336

  

Annual individual income (Reference <3.7 M Yen)

 3.7–7.7 M Yen

0.63 (0.39–1.01)

0.058

0.78 (0.46–1.34)

0.058

  > 7.7 M Yen

0.50 (0.24–1.03)

0.059

0.75 (0.31–1.79)

0.059

Time since diagnosis (Reference: ≤5 years)

 6–10 years

0.96 (0.60–1.54)

0.872

0.99 (0.59–1.65)

0.964

  > 10 years

1.40 (0.91–2.13)

0.124

1.13 (0.69–1.87)

0.624

J-HAQ score

2.01 (1.59–2.53)

<0.001

1.86 (1.40–2.48)

<0.001

Comorbidity

 Hypertension

0.99 (0.60–1.64)

0.986

  

 High cholesterol

1.46 (0.78–2.72)

0.233

  

 Diabetes

1.15 (0.54–2.45)

0.716

  

 Migraines

13.23 (4.29–40.81)

<0.001

9.27 (0.99–32.19)

0.087

 Heart condition

3.84 (1.01–14.61)

0.048

4.18 (0.95–18.30)

0.058

 Anxiety

3.84 (1.01–14.61)

0.048

2.20 (0.47–10.27)

0.317

Current medication

 Pain killer (NSAIDs/oral pain medication)

2.11 (1.34–3.34)

0.001

1.60 (0.94–2.72)

0.084

 Steroid

1.30 (0.85–1.98)

0.228

  

DMARDs (Reference: csDMARDs)

 csDMARDs + biologic agent

1.40 (0.92–2.15)

0.117

0.82 (0.49–1.37)

0.459

 Biologic agent

0.54 (0.28–1.05)

0.067

0.36 (0.17–0.75)

0.007

  1. Bold numbers indicate significance. Univariate analysis: significant p value < 0.2, multivariate analysis (stepwise approach): significant value = 0.05. ORs odds ratio, CI confidence interval, RA rheumatoid arthritis, M Million, NSAID nonsteroidal anti-inflammatory drugs, DMARDs disease modifying anti-rheumatic drugs, csDMARDs conventional synthetic disease modifying anti-rheumatic drugs, J-HAQ Japanese version of the Stanford Health Assessment Questionnaire