Table 2. Incidence of hypertension in HAN and MON of rural Chinese.
Variables | Han (n = 20247) | Mongolian (n = 4753) | ||||||
case (n) | person-years of follow-up | crude rate (per 100 person-years, 95%CI) | age-adjusted rate (per 100 person-years,95%CI) | case(n) | person-years of follow-up | crude rate (per 100 person-years, 95%CI) | age-adjusted rate (per 100 person-years,95%CI) | |
Sex | ||||||||
man | 3724 | 38170 | 9.76(9.46–10.05) | 10.68(9.99–11.36) | 1095 | 8617 | 12.71* (12.01–13.41) | 13.80* (12.16–15.44) |
women | 2965 | 38306 | 7.74(7.47–8.01) | 8.86(8.21–9.51) | 995 | 9675 | 10.28* (9.68–10.89) | 11.62* (10.18–13.06) |
Blood pressure | ||||||||
prehypertension | 5020 | 53261 | 9.43(9.18–9.67) | 10.36(9.79–10.93) | 439 | 13551 | 12.18* (11.63–12.73) | 13.24* (12.01–14.53) |
normal | 1669 | 23215 | 7.19(6.86–7.52) | 8.28(7.45–9.12) | 1651 | 4741 | 9.26* (8.43–10.08) | 10.57* (8.44–12.70) |
Total | 6689 | 76476 | 8.75(8.55–8.95) | 9.77(9.30–10.25) | 2090 | 18292 | 11.43* (10.97–11.89) | 12.64* (11.56–13.73) |
95%CI: 95% confidence interval;
P<0.05, compared with HAN populations.