Association between dietary inflammatory index scores and the increased disease activity of rheumatoid arthritis: a cross-sectional study

Table 3 The mean of DAS-28 scores across the quartiles of dietary inflammatory index

Model	Quartiles of the Dietary Inflammatory Index scores				P-Trend†
Model	Q1 Lower Inflammatory Diet	Q2	Q3	Q4 Higher Inflammatory Diet	P-Trend†
Crude Model	2.58 (2.24 – 2.93)	2.75 (2.41 – 3.52)	3.18 (2.84 – 3.52)	3.74 (3.14 – 4.09)	< 0.001
Adjusted Model 1	2.44 (1.84 – 2.63)	2.68 (2.19 – 2.92)	3.18 (2.79 – 3.50)	3.95 (3.53 – 4.23)	< 0.001
Adjusted Model 2	2.23 (1.86 – 2.65)	2.46 (2.22 – 2.95)	3.23 (2.79 – 3.51)	3.91 (3.47 – 4.19)	< 0.001

Data are presented as a mean (95% CI)
Abbreviation. DII: dietary inflammatory index
Model 1: Adjusted for energy intake
Model 2: Adjusted for energy intake, age, fat mass, fat free mass, duration of disease, weight, and supplement use
^†P-trends were obtained from the analysis of covariance

ISSN: 1475-2891