Table 4. Odds Ratiosa (95% CI) for Female Hypertension in Females With Different Husband Smoking Amount According to Second‐Hand‐Smoking Duration and BMI Category
GroupHusband Smoking Amount (Cigarettes Per Day)
01 to 56 to 1011 to 1516 to 20≥21
Second‐hand smoking duration, minutes per day
01.001.18 (1.15–1.22)1.17 (1.15–1.20)1.24 (1.18–1.30)1.30 (1.27–1.34)1.69 (1.56–1.83)
1 to 151.30 (1.22–1.38)1.39 (1.26–1.53)1.34 (1.24–1.44)1.43 (1.23–1.66)1.63 (1.50–1.77)1.99 (1.55–2.55)
≥161.53 (1.41–1.66)1.72 (1.51–1.96)1.82 (1.68–1.97)1.85 (1.59–2.15)1.88 (1.73–2.04)2.26 (1.85–2.76)
BMI categoryb
Underweight0.96 (0.94–0.99)1.14 (1.06–1.23)1.11 (1.05–1.17)1.06 (0.92–1.21)1.17 (1.08–1.27)1.97 (1.57–2.49)
Normal weight1.001.22 (1.18–1.27)1.22 (1.19–1.25)1.34 (1.27–1.42)1.41 (1.36–1.45)1.78 (1.61–1.97)
Overweight2.14 (2.09–2.18)2.63 (2.50–2.77)2.78 (2.68–2.88)2.85 (2.63–3.09)2.96 (2.83–3.09)3.92 (3.48–4.42)
Obese5.12 (4.99–5.26)6.13 (5.73–6.56)6.48 (6.18–6.81)6.91 (6.22–7.68)6.91 (6.54–7.29)7.37 (6.23–8.73)
  • BMI indicates body mass index.

  • a Adjusted for age, urban inhabitants, higher school education, BMI, and alcohol consumption.

  • b Females with BMI ≤18.0, 18.0 to 23.9, 24.0 to 27.9, and ≥28.0 kg/m2 were defined as underweight, normal weight, overweight, and obese.