Table 2. Prevalencea of hypertension based on one-visit strategy or two-visit strategy in 2006.
| Characteristics | One-visit strategy | Two-visit strategy | Sensitivity analysisb | Δ(Δ1, Δ2) (%) |
| All participants | 18.13 (17.34–18.92) | 9.47 (8.87–10.07) | 13.50 (12.80–14.20) | (−47.8, −25.5) |
| Gender | ||||
| Male | 20.48 (19.28–21.69) | 10.14 (9.23–11.04) | 14.98 (13.91–16.04) | (−50.5, −26.9) |
| Female | 16.06 (15.03–17.10) | 8.91 (8.11–9.73) | 12.21 (11.28–13.13) | (−44.5, −24.0) |
| Age, years | ||||
| 18–39 | 5.98 (5.07–6.90) | 1.41 (0.96–1.87) | 3.44 (2.74–4.15) | (−76.4, −42.5) |
| 40–59 | 21.16 (19.93–22.38) | 12.33 (11.34–13.32) | 15.76 (14.67–16.85) | (−41.7, −25.5) |
| ≥60 | 44.70 (42.66–46.74) | 25.24 (23.46–27.02) | 36.03 (34.06–38.00) | (−43.5, −19.4) |
| BMI, kg/m2 | ||||
| <18.5 | 9.46 (7.04–11.88) | 4.84 (3.07–6.61) | 6.83 (4.74–8.91) | (−48.8, −27.8) |
| 18.5–23.9 | 13.92 (12.98–14.87) | 6.59 (5.92–7.27) | 9.79 (8.98–10.60) | (−52.7, −29.7) |
| 24.0–27.9 | 22.63 (21.02–24.24) | 11.64 (10.41–12.88) | 16.49 (15.06–17.92) | (−48.6, −27.1) |
| ≥28.0 | 34.41 (31.10–37.72) | 21.75 (18.87–24.63) | 29.51 (26.33–32.69) | (−36.8, −14.2) |
| Smoking status | ||||
| Never smoking | 17.36 (16.42–18.30) | 9.40 (8.68–10.13) | 13.19 (12.35–14.03) | (−45.9, −24.0) |
| Ever smoking | 20.02 (18.55–21.49) | 9.75 (8.66–10.83) | 14.27 (12.99–15.55) | (−51.3, −28.7) |
| Drinking status | ||||
| Never drinking | 16.58 (15.66–17.51) | 8.74 (8.04–9.45) | 12.49 (11.67–13.31) | (−47.3, −24.7) |
| Ever drinking | 21.19 (19.71–22.68) | 10.92 (9.79–12.05) | 15.34 (14.03–16.65) | (−48.5, −27.6) |
| Region | ||||
| Urban resident | 18.74 (17.38–20.11) | 9.54 (8.51–10.57) | 14.42 (13.19–15.66) | (−49.1, −23.1) |
| Rural resident | 17.78 (16.81–18.74) | 9.46 (8.72–10.20) | 13.00 (12.15–13.85) | (−46.8, −26.9) |
BMI, body mass index.
aAge adjusted prevalence and 95% confidence intervals of hypertension using the direct method to the year 2010 Census population.
bPrevalence based on two-visit strategy = (the population of hypertension based on two-visit strategy + the lost population based on two-visit strategy)/all the population in 2006
Δ1 = (Prevalence of hypertension based on two-visit strategy − Prevalence of hypertension based on one-visit strategy)/Prevalence of hypertension based on one-visit strategy
Δ2 = (Prevalence of sensitivity analysis − Prevalence of hypertension based on one-visit strategy)/Prevalence of hypertension based on one-visit strategy