Table 5 GEE regression estimates of hypertension prevalence, awareness, treatment, and control [Odds Ratio(95%CI)]

Hukou (ref: urban)

 Rural

0.842(0.756–0.939)*

0.738(0.624–0.874)*

0.666(0.565–0.785)*

0.729(0.608–0.874)*

0.891(0.724–1.096)

Wave (ref: 2011 wave)

 2015 wave

0.882(0.767–1.015)

1.410(1.129–1.760)*

1.200(0.973–1.480)

1.279(1.031–1.586)*

1.216(0.952–1.553)

Hukou * Wave

 Rural * 2015wave

1.070(0.917–1.249)

1.291(1.010–1.651)*

1.330(1.053–1.680)*

1.134(0.887–1.451)

0.939(0.709–1.243)

Sex (ref: Male)

 Female

1.081(0.985–1.185)

1.221(1.053–1.416)*

1.319(1.142–1.525)*

1.225(1.037–1.447)*

1.071(0.886–1.296)

Age (ref: 45–54)

 55–64

1.829(1.691–1.977)*

1.372(1.199–1.569)*

1.571(1.378–1.791)*

1.284(1.107–1.490)*

0.993(0.834–1.182)

 65–74

3.131(2.857–3.432)*

1.623(1.396–1.887)*

1.787(1.543–2.070)*

1.140(0.966–1.345)

0.776(0.640–0.942)*

 75 + 

4.465(3.922–5.082)*

1.378(1.136–1.670)*

1.522(1.260–1.838)*

0.828(0.658–1.041)

0.571(0.441–0.740)*

Region (ref: Eastern)

 Central

0.881(0.818–0.948)*

0.979(0.871–1.100)

0.913(0.816–1.023)

0.914(0.805–1.037)

0.939(0.813–1.086)

 Western

0.908(0.843–0.978)*

0.927(0.823–1.044)

0.815(0.727–0.914)*

0.830(0.727–0.947)*

0.910(0.781–1.059)

Marital status (ref: Married)

 Not partnered

1.338(1.218–1.478)*

0.918(0.801–1.052)

0.916(0.801–1.047)

0.827(0.704–0.971)*

0.823(0.686–0.987)*

Education (ref: Illiterate)

 Primary and below

0.963(0.891–1.041)

1.054(0.932–1.192)

1.153(1.023–1.300)*

1.239(1.077–1.425)*

1.188(1.014–1.392)

 Secondary and above

0.97(0.882–1.065)

1.162(0.997–1.355)

1.303(1.123–1.511)*

1.281(1.079–1.519)*

1.140(0.940–1.382)

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

 Quintile 2

0.901(0.819–0.991)*

0.934(0.807–1.081)

1.029(0.891–1.189)

1.034(0.867–1.233)

1.034(0.845–1.265)

 Quintile 3

0.943(0.858–1.037)

1.166(1.006–1.351)*

1.094(0.948–1.263)

1.169(0.985–1.388)

1.165(0.957–1.419)

 Quintile 4

0.924(0.839–1.018)

1.212(1.042–1.409)*

1.172(1.012–1.356)*

1.320(1.113–1.566)*

1.300(1.068–1.581)*

 Quintile 5 (richest)

0.842(0.762–0.931)*

1.521(1.294–1.788)*

1.395(1.195–1.629)*

1.379(1.156–1.645)*

1.217(0.995–1.489)

Smoke status (ref: Never)

 Quit

1.169(1.048–1.305)*

1.091(0.920–1.293)

1.156(0.980–1.364)

1.182(0.987–1.415)

1.141(0.928–1.403)

 Current

1.099(1.003–1.204)*

0.917(0.792–1.060)

0.908(0.787–1.046)

0.917(0.777–1.083)

0.989(0.817–1.197)

Drink status (ref: Never)

 Quit

1.280(1.149–1.426)*

1.827(1.534–2.176)*

1.805(1.531–2.128)*

1.467(1.237–1.740)*

1.101(0.908–1.336)

 Current

1.070(0.992–1.154)

0.866(0.763–0.983)*

0.794(0.703–0.898)*

0.840(0.727–0.972)*

0.952(0.803–1.129)

Body mass index groups (ref: < 24)

 24–28

2.196 (2.050–2.352)*

1.654 (1.483–1.845)*

1.630 (1.467–1.812)*

1.169 (1.035–1.322)*

0.847 (0.735–0.976)*

  >  = 28

4.325 (3.917–4.774)*

2.506 (2.161–2.906)*

2.710 (2.358–3.115)*

1.368 (1.180–1.586)*

0.751 (0.635–0.888)*