Table 3 Estimated odds ratios (OR) and 95% confidence intervals (CIs) for association of demographic characteristics and sexual activity for subjects with hypertension

Education

Primary school

1.15 (0.42,3.15)

0.51 (0.17, 1.52)

1.16 (0.38,3.51)

0.36 (0.11,1.12)

0.69 (0.23,2.12)

0.41 (0.13, 1.32)

0.14 (0.04,0.43)*

0.61 (0.17,2.15)

High school

0.99 (0.51,1.94)

0.86 (0.31, 2.43)

1.29 (0.62,2.68)

0.62 (0.21,1.82)

1.07 (0.52,2.23)

0.76 (0.25, 2.3)

0.31 (0.14,0.66)*

1.41 (0.42,4.74)

University

1

1

1

1

1

1

1

1

Income status

≤1000

0.55 (0.19,1.56)

1.75 (0.39,7.84)

0.49 (0.16,1.56)

0.35 (0.07,1.68)

0.63 (0.20,1.96)

0.65 (0.13, 3.25)

0.51 (0.16,1.59)

1.17 (0.21, 6.66)

1001 ~ 3000

0.76 (0.41,1.39)

1.74 (0.43,7.09)

0.63 (0.33,1.22)

0.79 (0.18,3.39)

0.71 (0.37,1.37)

0.97 (0.22,4.39)

0.87 (0.45,1.71)

1.73 (0.33,9.03)

≥3000

1

1

1

1

1

1

1

1

Occupation

Unemployed or Retired

0.28 (0.12,0.69)*

0.29 (0.14, 0.62)

0.32 (0.12,0.86)*

1.06 (0.43,2.61)

0.33 (0.19,0.88)*

0.33 (0.15, 0.74)*

1.31 (0.51,3.42)

1.74 (0.25,1.33)

Professional

0.96 (0.44,2.14)

0.65 (0.24,1.72)

0.88 (0.37,2.09)

0.85 (0.28,2.57)

0.78 (0.33,1.84)

0.39 (0.14, 1.14)*

1.52 (0.64,3.62)

1.15 (0.37,3.57)

Physical labor

1

1

1

1

1

1

1

Cigarette smoking

Never

0.71 (0.39,1.27)

2.06 (0.25,4.62)

0.63 (0.33,1.19)

6.42 (5.10,8.16)

0.64 (0.34,1.21)

1.47 (0.02,8.91)

1.05 (0.55,1.97)

7.61 (6.35,9.21)

Moderate

0.83 (0.37,1.85)

2.45 (0.43,5.52)

0.95 (0.39,2.24)

5.69 (4.22,7.34)

1.19 (0.51,2.82)

1.29 (0.16,10.5)

0.85 (0.36,2.03)

8.41 (7.22,10.14)

Heavy

1

1

1

1

1

1

1

Alcohol consumption

Never

1.24 (0.61,2.58)

0.15 (0.14, 0.17)

1.49 (0.67,3.32)

0.45 (0.01, 27.8)

1.61 (0.72,3.59)

0.15 (0.14,0.18)

4.49 (1.28,6.41)*

0.53 (0.03, 83.7)

Moderate

1.45 (0.68,3.03)

0.17 (0.15,0.19)

2.08 (0.92,4.71)

1.05 (0.01,70.1)

1.89 (0.84,4.30)

0.14 (0.13,0.17)

2.02 (0.89,4.55)

1.02 (0.05, 68.3)

Heavy

1

1

1

1

1

1

1

1

Tea drinking

Never

1.37 (0.51,3.71)

0.62 (0.31, 1.17)

0.72 (0.24,2.14)

0.42 (0.18, 0.96)*

1.08 (0.37,3.14)

0.49 (0.24,0.98)*

0.93 (0.31,2.73)

0.29 (0.14, 0.64)*

Moderate

1.13 (0.61,2.09)

0.77 (0.46, 1.68)

0.95 (0.49,1.85)

0.67 (0.38,1.19)

0.81 (0.41,1.59)

0.76 (0.44,1.32)

0.87 (0.44,1.71)

0.73 (0.41,1.29)

Heavy

1

1

1

1

1

1

1

Medication

Yes

1.13 (0.66,1.93)

0.84 (0.51, 1.38)

0.79 (0.45,1.43)

0.91 (0.53,1.58)

1.07 (0.59,1.92)

0.84 (0.49,1.41)

1.18 (0.65,2.12)

0.72 (0.41,1.26)

No

1

1

1

1

1

1

1

ECG result

Normal

1.61 (0.94,2.76)

0.96 (0.59, 1.56)

1.63 (0.91,2.94)

0.69 (0.41,1.19)

1.50 (0.83,2.71)

0.91 (0.56, 1.52)

1.58(0.87,2.86)

0.64 (0.37,0.91)

Abnormal

1

1

1

1

1

1

1

1