Associations of dietary iron intake with cardiovascular disease risk and dyslipidemia among Chinese adults

Cui, Min; Wu, Hao; Zhang, Hanmo; Wei, Liping; Qi, Xin

doi:10.1186/s12944-024-02058-4

Lipids in Health and Disease

Table 5 Association between iron intake and the risk of developing dyslipidemia in women

From: Associations of dietary iron intake with cardiovascular disease risk and dyslipidemia among Chinese adults

Dyslipidemia Type	heme iron intake						non-heme iron intake
Dyslipidemia Type	Model 1			Adjusted model			Model 1			Adjusted model
High LDL-C	OR	95%CI	P	OR	95%CI	P	OR	95%CI	P	OR	95%CI	P
Q1	Ref			Ref			Ref			Ref
Q2	1.149	0.864–1.530	0.340	1.240	0.918–1.675	0.160	0.901	0.686–1.182	0.451	1.121	0.839–1.497	0.440
Q3	0.978	0.728–1.312	0.881	1.120	0.821–1.529	0.474	0.785	0.593–1.038	0.089	0.970	0.719–1.308	0.840
Q4	1.327	1.004–1.754	0.047	1.664	1.231–2.250	< 0.001	0.803	0.608–1.061	0.122	1.113	0.825–1.503	0.483
Q5	1.206	0.908–1.601	0.195	1.587	1.160–2.170	0.004	0.900	0.685–1.181	0.446	1.228	0.910–1.658	0.179
Low HDL-C
Q1	Ref			Ref			Ref			Ref
Q2	0.942	0.670–1.325	0.733	0.846	0.594–1.205	0.354	1.067	0.752–1.515	0.716	1.030	0.717–1.481	0.871
Q3	0.769	0.538–1.098	0.149	0.713	0.492–1.034	0.075	0.935	0.652–1.340	0.714	0.946	0.648–1.381	0.774
Q4	0.812	0.571–1.156	0.248	0.747	0.515–1.085	0.126	0.969	0.678–1.384	0.861	0.998	0.684–1.456	0.993
Q5	0.670	0.463–0.970	0.034	0.674	0.454–1.001	0.051	0.775	0.532–1.128	0.183	0.782	0.522–1.170	0.232
High TC
Q1	Ref			Ref			Ref			Ref
Q2	1.090	0.803–1.478	0.581	1.235	0.896–1.702	0.198	0.940	0.707–1.250	0.669	1.156	0.854–1.566	0.347
Q3	1.050	0.773–1.428	0.754	1.264	0.911–1.752	0.160	0.770	0.572–1.036	0.084	0.946	0.690–1.299	0.733
Q4	1.365	1.018–1.829	0.038	1.880	1.369–2.582	< 0.001	0.839	0.627–1.124	0.239	1.148	0.838–1.573	0.390
Q5	1.152	0.852–1.558	0.357	1.655	1.187–2.309	0.003	0.858	0.642–1.147	0.302	1.097	0.797–1.512	0.570
High TG
Q1	Ref			Ref			Ref			Ref
Q2	1.049	0.822–1.340	0.700	1.178	0.904–1.534	0.225	0.903	0.705–1.156	0.418	0.876	0.670–1.145	0.332
Q3	0.992	0.775–1.270	0.950	1.203	0.919–1.575	0.178	1.023	0.803–1.304	0.853	1.029	0.790–1.340	0.832
Q4	0.954	0.744–1.223	0.712	1.233	0.938–1.620	0.134	0.895	0.699–1.147	0.382	0.939	0.716–1.231	0.648
Q5	0.846	0.656–1.090	0.197	1.223	0.919–1.626	0.167	0.835	0.650–1.074	0.160	0.811	0.612–1.074	0.143
Low ApoA-1/ApoB
Q1	Ref			Ref			Ref			Ref
Q2	1.212	0.968–1.519	0.094	1.287	1.015–1.632	0.037	0.894	0.712–1.121	0.331	0.987	0.776–1.256	0.916
Q3	1.063	0.846–1.337	0.599	1.181	0.925–1.506	0.181	0.855	0.681–1.075	0.181	0.998	0.782–1.274	0.990
Q4	0.981	0.778–1.237	0.869	1.132	0.882–1.453	0.320	0.887	0.707–1.114	0.303	1.117	0.875–1.426	0.376
Q5	0.952	0.754–1.201	0.678	1.153	0.892–1.490	0.276	0.974	0.779–1.219	0.819	1.225	0.957–1.568	0.107
High Lp(a)
Q1	Ref			Ref			Ref			Ref
Q2	0.751	0.576–0.978	0.033	0.760	0.580–0.997	0.047	1.321	1.011–1.727	0.041	1.405	1.068–1.850	0.015
Q3	0.772	0.594–1.004	0.054	0.792	0.604–1.039	0.092	1.178	0.897–1.547	0.239	1.288	0.970–1.709	0.080
Q4	0.850	0.657−1.100	0.216	0.905	0.691–1.187	0.472	1.158	0.881–1.522	0.292	1.316	0.989–1.752	0.060
Q5	0.787	0.606–1.023	0.073	0.866	0.654–1.148	0.317	1.062	0.805–1.401	0.671	1.234	0.920–1.657	0.160

Model 1: Unadjusted. Adjusted model: Adjusted for age, BMI, alcohol status, smoking status, energy intake, urban residence, education level, serum ferritin, transferrin, and transferrin receptor level. Heme and non-heme iron intakes were adjusted mutually

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