Table 4.
Stratified analysis of association between the incidence of MetS (components) and DII/CRP a by sex.
| MetS/Components | Dietary Inflammatory Index OR (95% CI) | CRP (Continuous) OR (95% CI) |
|||
|---|---|---|---|---|---|
| Tertile 1 | Tertile 2 | Tertile 3 | Continuous | ||
| Males | |||||
| Metabolic Syndrome | |||||
| Model 1 b | 1.00(Ref.) | 0.86(0.56–1.32) | 0.86(0.57–1.30) | 0.92(0.80–1.07) | 1.67(1.15–2.41) |
| Model 2 c | 1.00(Ref.) | 0.91(0.55–1.50) | 1.06(0.64–1.75) | 0.97(0.82–1.16) | 1.09(0.70–1.70) |
| Waist circumference | |||||
| Model 1 b | 1.00(Ref.) | 1.03(0.68–1.57) | 0.97(0.65–1.46) | 0.95(0.82–1.09) | 2.63(1.79–3.87) |
| Model 2 c | 1.00(Ref.) | 1.07(0.59–1.96) | 1.21(0.66–2.23) | 0.99(0.80–1.23) | 1.73(0.97–3.08) |
| Blood pressure | |||||
| Model 1 b | 1.00(Ref.) | 1.08(0.70–1.66) | 0.72(0.48–1.08) | 0.87(0.75–1.01) | 1.45(1.00–2.09) |
| Model 2 c | 1.00(Ref.) | 1.25(0.76–2.07) | 1.04(0.63–1.70) | 0.99(0.83–1.17) | 0.97(0.62–1.53) |
| HDL-Cholesterol | |||||
| Model 1 b | 1.00(Ref.) | 1.09(0.64–1.86) | 1.40(0.84–2.31) | 1.08(0.91–1.30) | 1.65(1.07–2.53) |
| Model 2 c | 1.00(Ref.) | 1.16(0.65–2.07) | 1.47(0.83–2.58) | 1.10(0.90–1.35) | 1.31(0.80–2.17) |
| Triglycerides | |||||
| Model 1 b | 1.00(Ref.) | 0.77(0.50–1.17) | 0.76(0.50–1.13) | 0.93(0.81–1.08) | 1.52(1.06–2.18) |
| Model 2 c | 1.00(Ref.) | 0.75(0.47–1.19) | 0.78(0.49–1.20) | 0.94(0.80–1.11) | 0.92(0.61–1.39) |
| Fasting glucose | |||||
| Model 1 b | 1.00(Ref.) | 0.88(0.58–1.33) | 0.67(0.45–1.01) | 0.85(0.75–0.94) | 1.81(1.26–2.61) |
| Model 2 c | 1.00(Ref.) | 0.96(0.60–1.54) | 0.90(0.56–1.44) | 0.91(0.77–1.08) | 1.79(1.17–2.73) * |
| Females | |||||
| Metabolic Syndrome | |||||
| Model 1 b | 1.00(Ref.) | 0.69(0.51–0.93) | 0.65(0.48–0.87) | 0.80(0.72–0.89) | 5.96(4.43–8.02) |
| Model 2 c | 1.00(Ref.) | 0.67(0.45–1.00) | 1.01(0.66–1.53) | 0.90(0.78–1.04) | 2.17(1.49–3.15) * |
| Waist circumference | |||||
| Model 1 b | 1.00(Ref.) | 0.81(0.61–1.07) | 0.59(0.44–0.79) | 0.82(0.74–0.91) | 6.70(4.99–9.00) |
| Model 2 c | 1.00(Ref.) | 0.91(0.56–1.46) | 0.74(0.45–1.20) | 0.92(0.77–1.08) | 1.85(1.20–2.88) * |
| Blood pressure | |||||
| Model 1 b | 1.00(Ref.) | 0.87(0.65–1.16) | 0.86(0.64–1.15) | 0.90(0.81–0.99) | 3.53(2.72–4.58) |
| Model 2 c | 1.00(Ref.) | 0.90(0.62–1.32) | 1.72(1.15–2.56) * | 1.12(0.98–1.28) | 1.25(0.88–1.77) |
| HDL-Cholesterol | |||||
| Model 1 b | 1.00(Ref.) | 0.86(0.63–1.17) | 0.94(0.69–1.28) | 0.94(0.84–1.05) | 2.50(1.94–3.23) |
| Model 2 c | 1.00(Ref.) | 0.90(0.65–1.25) | 1.06(0.76–1.49) | 0.99(0.88–1.11) | 1.77(1.31–2.38) * |
| Triglycerides | |||||
| Model 1 b | 1.00(Ref.) | 0.64(0.47–0.86) | 0.70(0.52–0.94) | 0.84(0.76–0.94) | 4.15(3.16–5.45) |
| Model 2 c | 1.00(Ref.) | 0.66(0.46–0.94) * | 1.17(0.80–1.70) | 1.01(0.89–1.15) | 1.86(1.33–2.60) * |
| Fasting glucose | |||||
| Model 1 b | 1.00(Ref.) | 0.69(0.51–0.95) | 0.69(0.50–0.94) | 0.84(0.75–0.94) | 2.77(2.13–3.62) |
| Model 2 c | 1.00(Ref.) | 0.68(0.47–0.98) * | 0.83(0.57–1.21) | 0.89(0.78–1.02) | 1.69(1.21–2.37) * |
MetS: metabolic syndrome, DII: dietary inflammatory index, CRP: C-reactive protein, HDL-cholesterol: high-density lipoprotein cholesterol. a MetS outcomes and its components were analyzed as dichotomous variables with binary logistic regression; b Model 1 was used to obtain the crude odds ratio; c Model 2 was adjusted for age, city, education level, family monthly expenditure on food, smoking status and BMI. * OR (95% CI) of adjusted model that were significant.