Table 4 Changes in the total-, sex-, residence-, marital status-, age- and region-specific prevalence of metabolic syndrome based on different definitions over time from 2011 to 2015

Total

0.868 (0.815–0.925)

< 0.0001

1.132 (1.071–1.198)

< 0.0001

0.857 (0.813–0.904)

< 0.0001

0.902 (0.85–0.956)

0.0006

 Male

0.765 (0.684–0.855)

< 0.0001

1.297 (1.182–1.424)

< 0.0001

0.884 (0.814–0.959)

0.0031

1.003 (0.918–1.097)

0.9434

 Female

0.923 (0.855–0.996)

0.0401

1.049 (0.978–1.126)

0.1805

0.838 (0.781–0.898)

< 0.0001

0.83 (0.767–0.898)

< 0.0001

 Rural

0.848 (0.78–0.921)

< 0.0001

1.074 (0.998–1.155)

0.0573

0.847 (0.791–0.907)

< 0.0001

0.887 (0.82–0.958)

0.0024

 Urban

0.894 (0.811–0.984)

0.0228

1.213 (1.111–1.324)

< 0.0001

0.868 (0.798–0.945)

0.001

0.915 (0.836–1.001)

0.0532

 Married^a

0.875 (0.817–0.938)

0.0002

1.115 (1.049–1.186)

0.0005

0.847 (0.799–0.898)

< 0.0001

0.904 (0.848–0.964)

0.0021

 Abnormal Status^b

0.837 (0.719–0.973)

0.0208

1.226 (1.069–1.405)

0.0035

0.907 (0.798–1.031)

0.1362

0.889 (0.77–1.027)

0.1103

 45–50

0.883 (0.758–1.03)

0.1218

1.157 (1.016–1.318)

0.0275

0.897 (0.793–1.015)

0.084

0.906 (0.785–1.046)

0.1786

 51–55

0.886 (0.759–1.033)

0.123

1.199 (1.045–1.375)

0.0098

0.862 (0.757–0.983)

0.0263

0.925 (0.799–1.071)

0.2954

 56–60

0.855 (0.738–0.991)

0.0378

1.165 (1.021–1.329)

0.0231

0.872 (0.77–0.988)

0.0319

0.898 (0.783,1.031)

0.126

 61–65

0.919 (0.791–1.068)

0.2722

1.004 (0.877–1.149)

0.9526

0.776 (0.682–0.883)

0.0001

0.857 (0.747–0.984)

0.0287

 66–70

0.776 (0.648–0.93)

0.0061

1.083 (0.92–1.275)

0.3374

0.848 (0.727–0.99)

0.0368

0.927 (0.786–1.094)

0.3715

  ≥ 71

0.863 (0.742–1.002)

0.0539

1.164 (1.015–1.335)

0.0301

0.865 (0.762–0.983)

0.0263

0.896 (0.778–1.032)

0.1275

 North-East

0.867 (0.776–0.969)

0.0117

1.101 (0.999–1.215)

0.0528

0.861 (0.785–0.945)

0.0016

0.879 (0.793–0.974)

0.0138

 North

0.969 (0.827–1.134)

0.6909

1.327 (1.149–1.533)

0.0001

0.884 (0.769–1.016)

0.0813

0.961 (0.829–1.113)

0.5948

 North-West

0.942 (0.753–1.177)

0.5979

1.236 (1.008–1.515)

0.0417

0.862 (0.709–1.047)

0.1349

1.07 (0.867–1.321)

0.5273

 East

0.767 (0.609–0.967)

0.0248

1.292 (1.055–1.582)

0.0132

0.911 (0.754–1.1)

0.3316

0.95 (0.766–1.179)

0.6438

 South-Central

0.789 (0.691–0.9)

0.0004

0.949 (0.844–1.067)

0.3792

0.771 (0.689–0.862)

< 0.0001

0.799 (0.706–0.905)

0.0004

 South-West

0.908 (0.764–1.08)

0.2776

1.167 (1.002–1.36)

0.0465

0.921 (0.802–1.057)

0.2395

0.931 (0.794–1.092)

0.3798