Table 3 Multivariate odds ratios (95 % CI)^a for good control of hypertension according to residential areas

 30-44

3.55 (2.95–4.27)

3.14 (2.11–4.69)

7.45 (5.23–10.60)

4.74 (2.47–9.07)

 45-64

1.42 (1.23–1.63)

1.63 (1.26–2.13)

1.73 (1.38–2.16)

1.69 (1.17–2.42)

 >64 years

1

1

1

1

 ≤Elementary school

0.74 (0.60–0.92)

0.67 (0.46–0.99)

0.53 (0.37–0.75)

0.45 (0.18–1.15)

 Middle/high school

0.94 (0.81–1.10)

0.75 (0.51–1.09)

0.77 (0.57–1.03)

0.53 (0.21–1.32)

 ≥College

1

1

1

1

 ≤ 1000

0.83 (0.67–1.03)

1.08 (0.73–1.60)

0.98 (0.73–1.33

1.13 (0.65–1.99)

 1001-3000

0.90 (0.76–1.07)

1.02 (0.71–1.46)

1.09 (0.83–1.42)

1.44 (0.85–2.44)

 > 3000

1

1

1

1

 Married

1

1

1

1

 Others^c

0.91 (0.78–1.07)

0.75 (0.57–0.98)

0.98 (0.79–1.20)

0.80 (0.56–1.16)

Smoking status

 Current

0.70 (0.60–0.82)

0.87 (0.68–1.11)

1.10 (0.74–1.62)

1.01 (0.60–1.70)

 Ex-smoker

0.70 (0.61–0.81)

0.81 (0.62–1.07)

0.90 (0.62–1.29)

1.30 (0.71–2.39)

 Non-smoker

1

1

1

1

 Non-drinker

1.74 (1.50–2.01)

1.57 (1.20–2.06)

1.31 (1.02–1.69)

1.01 (0.60–1.70)

 <1/month

1.63 (1.33–2.00)

1.59 (1.10–2.32)

1.25 (0.89–1.76)

1.30 (0.71–2.39)

 ≥1/month

1

1

1

1

Regular physical exerciser

1.00 (0.89–1.14)

0.89 (0.70–1.11)

0.92 (0.77–1.09)

0.77 (0.57–1.02)