Table 5 Multivariate logistic analysis for RA patients over 65 years old with prefrailty or frailty including factors of dietary habits.

From: Habitual fish intake negatively correlates with prevalence of frailty among patients with rheumatoid arthritis

 

Model 1

Model 2

Model 3

OR (95% CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

DAS28-ESR

2.17 (1.38–3.42)

0.00080

2.17 (1.38–3.42)

0.00080

2.15 (1.35–3.41)

0.0012

MTX use

0.28 (0.11–0.69)

0.0057

0.28 (0.11–0.69)

0.0057

0.26 (0.10–0.65)

0.0043

Age (1 year)

1.11 (1.02–1.21)

0.013

1.11 (1.02–1.21)

0.013

1.12 (1.03- 1.22)

0.011

PSL use

1.20 (0.51–2.80)

0.68

1.20 (0.51–2.80)

0.68

1.35 (0.55–3.31)

0.51

Duration of RA (1 year)

1.00 (0.97–1.03)

0.98

1.00 (0.97–1.03)

0.98

1.00 (0.97–1.03)

0.90

Biological agents use

1.06 (0.46–2.44)

0.90

1.06 (0.46–2.44)

0.90

1.09 (0.47–2.55)

0.85

Fish dish

0.19 (0.066–0.57)

0.0029

0.19 (0.066–0.58)

0.0031

0.20 (0.062–0.62)

0.0054

Meat dish

  

1.01 (0.45–2.27)

0.98

1.01 (0.44–2.36)

0.97

Milk

    

0.78 (0.30–2.05)

0.61

Vegetable

    

3.18 (0.88–11.5)

0.079

Fruits

    

0.48 (0.16–1.44)

0.19

  1. Results of multivariate logistic regression analysis with dietary habits and RA-related factors regarding the presence of prefrailty or frailty in RA patients aged 65 years and older. Model was adjusted for age, RA duration, RA therapeutics (use of prednisolone, biologics and methotrexate), DAS28-ESR, and dietary habits (only fish dish (model 1), fish + meat dishes (model 2) and fish/meat/milk/vegetable/fruits (model 3) as variables). Dummy variables were constructed for intake frequency as 0 and 1: Fish and Meat dish: 0 = low frequency (≤ 2 times/weeks), 1 = high frequency (3 times/week ≤) and Milk, Vegetable and Fruits: 0 = low frequency (≤ 6 times/week), 1 = high frequency (1 time/day ≤).
  2. RA rheumatoid arthritis, DAS28-ESR 28-joint Disease Activity Score using erythrocyte sedimentation rate, MTX methotrexate, PSL prednisolone.
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