Variables

Chi-2

p

OR

95% CI

Level of education

vs Unschooled

X² = 23.196

<0.0001

Primary

0.215

0.058 - 0.796

Secondary

0.710

0.162 - 3.112

High

1.186

0.260 - 5.402

HTN duration (months)

vs < 6

X² = 12.090

0.034

6 - 12

0.302

0.135 - 0.675

13 - 24

0.419

0.187 - 0.940

25 - 36

0.617

0.250 - 1.520

37 - 48

0.874

0.351 - 2.176

>48

1.192

0.332 - 4.275