Table 2 Comparison of mean systolic and diastolic BP in participants without antihypertensive treatment by passive smoking status
From: Association between passive smoking and hypertension in Chinese non-smoking elderly women
Systolic BP, mmHg | Diastolic BP, mmHg | ||||||
|---|---|---|---|---|---|---|---|
N | Mean±s.d. | β (95% CI) a | P-value | Mean±s.d. | β (95% CI) a | P-value | |
No passive smoking | 359 | 134.8±19.5 | 1.00 | 74.9±8.9 | 1.00 | ||
Passive smoking | 199 | 137.6±22.1 | 2.66 (−0.74, 6.06) | 0.125 | 76.6±10.0 | 1.19 (−0.40, 2.79) | 0.142 |
Amount of passive smoking | |||||||
0 cigarette per day | 359 | 134.8±19.5 | 1.00 | 74.9±8.9 | 1.00 | ||
1–10 cigarettes per day | 107 | 138.1±18.9 | 2.74 (−1.51, 6.99) | 0.206 | 76.3±8.8 | 0.67 (−1.32, 2.66) | 0.510 |
>10 cigarettes per day | 92 | 136.9±25.4 | 2.57 (−1.90, 7.03) | 0.259 | 76.9±11.3 | 1.79 (−0.30, 3.89) | 0.093 |
Frequency of passive smoking | |||||||
0 hour per day | 359 | 134.8±19.5 | 1.00 | 74.9±8.9 | 1.00 | ||
1–2 hours per day | 83 | 135.8±19.8 | 0.38 (−4.31, 5.07) | 0.874 | 75.5±8.8 | −0.10 (−2.30, 2.10) | 0.929 |
>2 hours per day | 116 | 138.9±23.6 | 4.24 (0.16, 8.31) | 0.041 | 77.3±10.8 | 2.09 (0.18, 4.00) | 0.032 |
