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. 2019 May 28;14(5):e0217412. doi: 10.1371/journal.pone.0217412

Table 3. Odds ratios of at least mild or moderate depressive symptoms by patient and RA-related characteristics.

≥ Mild
Odds Ratio (95% CI)
≥ Moderate
Odds Ratio (95% CI)
Influence Variable Unadjusted Adjusted Unadjusted Adjusted
Age
(1: <60, 0: ≥60)
1.50
(1.16–1.93)
1.78
(1.13–2.80)
1.76
(1.31–2.37)
2.16
(1.31–3.56)
Sex
(0 = female, 1 = male)
0.78
(0.59
- 1.04)
0.93
(0.63–1.36)
0.88
(0.62–1.25)
0.96
(0.62–1.50)
Family status
(family = 1, alone = 0)
1.00
(0.74–1.34)
1.07
(0.72–1.59)
0.99
(0.70–1.42)
1.20
(0.75–1.93)
BMI (kg/m2)
(≥25 = 1, <25 = 0)
1.49
(1.15–1.93)
1.09
(0.77–1.55)
1.27
(0.93–1.74)
1.02
(0.68–1.53)
Education
(>10 years = 1, ≤10 years = 0)
0.97
(0.75–1.27)
0.98
(0.70–1.38)
0.80
(0.59–1.10)
0.75
(0.51–1.10)
Employment
(employed = 1, other = 0)
1.09
(0.84–1.41)
1.14
(0.73–1.79)
1.22
(0.90–1.64)
1.11
(0.68–1.82)
RA Duration
(years)
1.00
(0.99–1.02)
1.00
(0.98–1.01)
0.99
(0.97–1.00)
0.99
(0.97–1.01)
DAS28 (ESR)
(<2.6, ≥2.6)
2.13
(1.61–2.80)
1.27
(0.90–1.80)
1.89
(1.37–2.61)
1.34
(0.91–1.97)
RAID Score
(≤2, >2)
11.34
(7.94–16.21)
10.54
(6.87–16.16)
19.23
(8.43–43.86)
13.61
(5.80–31.92)
cDMARDs
(yes = 1, no = 0)
0.90
(0.65–1.25)
0.88
(0.57–1.37)
0.75
(0.52–1.08)
0.62
(0.39–1.00)
bDMARDs
(yes = 1, no = 0)
1.20
(0.93–1.54)
0.99
(0.69–1.42)
1.07
(0.79–1.44)
0.83
(0.55–1.26)
Glucocorticoids medication
(yes = 1, no = 0)
1.54
(1.19–1.98)
1.03
(0.74–1.44)
1.50
(1.11–2.03)
1.02
(0.70–1.49)
NSAID medication
(yes = 1, no = 0)
1.76
(1.35–2.30)
1.24
(0.87–1.75)
1.74
(1.29–2.35)
1.42
(0.97–2.08)
Opiates medication
(yes = 1, no = 0)
3.03
(1.49–6.18)
1.50
(0.64–3.48)
2.77
(1.51–5.06)
1.67
(0.79–3.55)
Comorbidity without mental illness or chronic pain
(0 = no, 1 = yes)
0.79
(0.62–1.02)
1.03
(0.71–1.49)
0.81
(0.60–1.09)
1.18
(0.77–1.81)
Chronic pain
(0 = no, 1 = yes)
3.07
(1.86–5.08)
3.25
(1.65–6.39)
2.55
(1.64–3.97)
2.90
(1.55–5.43)

aReference category for ORs: age ≥60, female sex, DAS28 <2.6, RAID ≤2, no for each type of RA medication, and no for presence of a comorbidity without mental illness or chronic pain, no for chronic pain. Adjusted odds ratios adjusted in multiple logistic regression for other covariates in table. Abbreviations: RA = rheumatoid arthritis, DAS = Disease Activity Score, ESR = erythrocyte sedimentation rate, RAID = Rheumatoid Arthritis Impact of Disease questionnaire