Table 3 Logistic regression estimates of hypertension prevalence and awareness [Odds Ratio(95%CI)]

Hukou (ref: Urban)

 Rural

0.817 (0.729–0.916)*

0.933 (0.822–1.060)

0.750 (0.630–0.892)*

0.932 (0.754–1.149)

Sex (ref: Male)

 Female

1.132 (1.002–1.280)*

1.025 (0.887–1.184)

1.246 (1.033–1.503)*

1.182 (0.925–1.509)

Age (ref: 45–54)

 55–64

1.906 (1.722–2.112)*

1.709 (1.512–1.934)*

1.505 (1.270–1.784)*

1.229 (0.986–1.529)

 65–74

3.172 (2.800–3.594)*

3.007 (2.620–3.454)*

1.539 (1.268–1.871)*

1.736 (1.366–2.206)*

 75+ 

4.688 (3.919–5.616)*

4.190 (3.471–5.064)*

1.375 (1.066–1.774)*

1.370 (1.014–1.852)*

Region (ref: Eastern)

 Central

0.853(0.773–0.942)*

0.911(0.817–1.016)

0.982(0.842–1.145)

0.978(0.818–1.169)

 Western

0.903(0.817–0.999)*

0.913(0.817–1.019)

0.808(0.692–0.945)*

1.114(0.926–1.340)

Marital status (ref: Married)

 Not partnered

1.393(1.227–1.581)*

1.286(1.121–1.474)*

0.874(0.730–1.047)

0.978(0.790–1.214)

Education (ref: Illiterate)

 Primary

0.958(0.862–1.065)

0.967(0.861–1.086)

1.038(0.883–1.220)

1.056(0.869–1.281)

 Secondary and above

0.981(0.864–1.115)

0.954(0.830–1.097)

1.213(0.992–1.485)

1.113(0.877–1.413)

Household consumption per capita [ref: Quintile 1 (poorest)]

 Quintile 2

0.874(0.770–0.993)*

0.933(0.810–1.074)

0.920(0.759–1.115)

0.935(0.745–1.173)

 Quintile 3

0.878(0.773–0.998)*

1.029(0.894–1.185)

1.159(0.954–1.408)

1.170(0.931–1.471)

 Quintile 4

0.872(0.766–0.993)*

0.992(0.860–1.145)

1.216(0.998–1.481)

1.205(0.954–1.524)

 Quintile 5 (richest)

0.751(0.656–0.860)*

0.965(0.833–1.119)

1.527(1.236–1.889)*

1.518(1.185–1.948)*

Smoke status (ref: Never)

 Quit

1.078(0.919–1.264)

1.237(1.059–1.445)*

1.127(0.889–1.432)

1.058(0.820–1.367)

 Current

1.080(0.958–1.217)

1.125(0.974–1.299)

0.897(0.747–1.077)

0.941(0.740–1.197)

Drink status (ref: Never)

 Quit

1.433(1.229–1.670)*

1.159(0.997–1.348)

1.660(1.316–2.102)*

2.025(1.542–2.687)*

 Current

1.079(0.972–1.198)

1.066(0.953–1.193)

0.933(0.789–1.104)

0.777(0.644–0.939)*

Body mass index groups (ref: < 24)

 24–28

2.101(1.913–2.308)*

2.317(2.094–2.564)*

1.596(1.381–1.846)*

1.721(1.456–2.036)*

  >  = 28

4.440(3.883–5.082)*

4.211(3.648–4.866)*

2.462(2.035–2.988)*

2.533(2.012–3.207)*