Table 8.
ORs (95% CI) for metabolic syndrome and its components according to the quartiles of total iron intake (mg/day) among women in the SDHS 2012–2013.
| Quartiles of Dietary Iron Intake, ORs (95% CI) | |||||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | p-Value for Trend 1 | |
| Total Iron Intake (mg/day) | <11.67 | (11.67–15.10) | (15.10–20.00) | ≥20.00 | |
| n | 416 | 419 | 416 | 418 | |
| Metabolic syndrome | |||||
| Crude model | Reference | 1.02(0.74,1.40) | 1.21(0.88,1.65) | 0.96(0.70,1.32) | 0.476 |
| Adjusted model 2 | Reference | 1.25(0.88,1.78) | 1.41(0.98,2.02) | 1.27(0.82,1.96) | 0.322 |
| Metabolic syndrome components | |||||
| Elevated blood pressure | |||||
| Crude model | Reference | 0.86(0.68,1.10) | 1.08(0.85,1.37) | 0.85(0.67,1.09) | 0.163 |
| Adjusted model 2 | Reference | 1.01(0.75,1.37) | 1.29(0.94,1.76) | 1.05(0.73,1.52) | 0.306 |
| Elevated waist circumference | |||||
| Crude model | Reference | 0.97(0.76,1.24) | 1.01(0.79,1.29) | 0.93(0.72,1.19) | 0.914 |
| Adjusted model 2 | Reference | 1.09(0.83,1.44) | 1.13(0.85,1.50) | 1.15(0.82,1.62) | 0.839 |
| Elevated fasting glucose | |||||
| Crude model | Reference | 0.90(0.67,1.22) | 1.23(0.92,1.64) | 1.09(0.81,1.47) | 0.216 |
| Adjusted model 2 | Reference | 1.01(0.73,1.41) | 1.33(0.95,1.85) | 1.23(0.83,1.83) | 0.274 |
| Elevated triglycerides | |||||
| Crude model | Reference | 1.01(0.75,1.34) | 1.13(0.85,1.50) | 1.08(0.81,1.44) | 0.814 |
| Adjusted model 2 | Reference | 1.06(0.77,1.44) | 1.16(0.85,1.60) | 1.18(0.81,1.72) | 0.773 |
| Reduced HDL-C | |||||
| Crude model | Reference | 1.19(0.88,1.62) | 1.14(0.84,1.56) | 1.14(0.84,1.56) | 0.710 |
| Adjusted model 2 | Reference | 1.37(0.98,1.91) | 1.31(0.93,1.85) | 1.40(0.93,2.10) | 0.264 |
1 The p-value for the trend was examined using medians in each quartile of dietary iron intake. 2 The models were adjusted for age, income, physical activity level, intentional physical exercise, smoking status, alcohol use, and dietary total energy intake.