The comprehensive relationship between combined anti-inflammatory and healthy diets and all-cause mortality in rheumatoid arthritis: results from NHANES 2003–2018

Table 3 .Subgroup analyses of compisition diet effect and mortality risk in RA

	Hazard Ratio(95%CI)
Characteristic	Unhealthy and Pro -Inflammatory diet	Combined diet pattern^a	Healthy and Anti -Inflammatory diet	P for interaction
Age, years
< 60	Reference	0.60[0.27,1.32]	0.85[0.44,1.63]	0.8
≥ 60	Reference	0.79[0.57,1.09]	0.61[0.43,0.87]	0.8
Gender
Male	Reference	0.70[0.42,1.17]	0.62[0.41,0.95]	0.11
Female	Reference	0.76[0.52,1.12]	0.82[0.57,1.18]	0.11
BMI, kg/m²
< 25.0	Reference	0.67[0.39,1.17]	0.36[0.22,0.59]	0.003
25.0-29.9	Reference	0.72[0.41,1.26]	0.75[0.42,1.33]
≥ 30.0	Reference	0.87[0.52,1.46]	1.10[0.64,1.88]
Education level
Less than High school	Reference	0.71[0.42,1.22]	0.88[0.52,1.49]	0.8
High school	Reference	1.50[0.81,2.77]	0.71[0.38,1.34]
Some College or above	Reference	0.47[0.29,0.78]	0.55[0.35,0.86]
Smoking status
Never	Reference	0.85[0.56,1.29]	0.89[0.55,1.43]	0.03
Former	Reference	0.90[0.54,1.50]	0.94[0.53,1.68]
Current	Reference	0.71[0.39,1.32]	0.32[0.16,0.65]
CVD
Yes	Reference	0.73[0.45,1.18]	0.66[0.41,1.06]	0.6
No	Reference	0.84[0.58,1.21]	0.75[0.50,1.11]	0.6
Hypertension
Yes	Reference	0.33[0.19,0.56]	0.35[0.21,0.57]	0.017
No	Reference	0.98[0.67,1.44]	0.90[0.65,1.26]	0.017
Diabetes
Yes	Reference	0.81[0.47,1.37]	0.70[0.40,1.22]	0.4
No	Reference	0.74[0.52,1.06]	0.70[0.50,1.00]	0.4
eGFR
≤ 60	Reference	1.01[0.67,1.52]	0.74[0.46,1.17]	0.2
≥ 60	Reference	0.64[0.43,0.96]	0.70[0.49,1.02]	0.2
Physical Activity
No	Reference	0.77[0.54,1.10]	0.65[0.46,0.92]	0.7
Insufficient	Reference	0.47[0.25,0.89]	0.81[0.47,1.38]
Active	Reference	6.6[1.12,14]	1.65[0.16,17.2]

Adjusted for age, sex, race and ethnicity, educational levels, physical activity, smoking status, body mass index, diabetes, hypertension, cardiovascular disease, hypertension, use of supplements, total Kal intake and eGFR

ISSN: 1478-6362