Table 1 Characteristics of study participants in different sex of Jiangsu population
Characteristic | Total | Urban | Rural | Male | Female | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | 95 % CI | N | % | 95 % CI | N | % | 95 % CI | N | % | 95 % CI | N | % | 95 % CI | ||
Age (years) | 18–34 | 3281 | 35.7 | 30.1–41.4 | 1206 | 42.2 | 35.7–48.7 | 2075 | 31.4 | 23.0–39.8 | 1592 | 35.7 | 29.3–42.0 | 1689 | 35.8 | 30.7–40.8 |
35–49 | 3394 | 35.2 | 32.0–38.4 | 1312 | 34 | 30.6–37.6 | 2082 | 36 | 31.3–40.7 | 1632 | 34.9 | 30.8–39.0 | 1762 | 35.5 | 33.1–37.9 | |
50–69 | 2858 | 29.1 | 25.6–32.6 | 1060 | 23.8 | 18.9–28.9 | 1798 | 32.6 | 27.7–37.5 | 1426 | 29.4 | 25.8–33.1 | 1432 | 28.7 | 25.3–32.1 | |
Ethnicity | Han | 9508 | 99.7 | 99.6–99.9 | 3570 | 99.8 | 99.6–100 | 5938 | 99.7 | 99.6–99.8 | 4646 | 99.9 | 99.8–100 | 4862 | 99.6 | 99.4–99.8 |
Other | 25 | 0.3 | 0.1–0.4 | 8 | 0.2 | 0.0–0.4 | 17 | 0.3 | 0.2–0.4 | 4 | 0.1 | 0–0.2 | 21 | 0.4 | 0.2–0.6 | |
Education (years) | 0 | 1434 | 14.7 | 12.5–17.0 | 118 | 3.1 | 0–7.9 | 1316 | 22.5 | 20.1–24.8 | 374 | 7.8 | 5.7–9.9 | 1060 | 21.7 | 19.7–23.7 |
1–5 | 1618 | 16 | 14.2–18.0 | 454 | 11.2 | 5.3–17.0 | 1164 | 19.4 | 18.1–20.7 | 695 | 14.4 | 12.8–16.1 | 923 | 17.7 | 15.2–20.3 | |
6–8 | 3625 | 36.8 | 33.4–40.3 | 1303 | 35 | 27.8–42.1 | 2322 | 38.1 | 34.7–41.5 | 1916 | 39.9 | 34.9–44.9 | 1709 | 33.8 | 30.8–36.6 | |
9–11 | 1716 | 18.7 | 16.6–20.9 | 827 | 23.9 | 20.4–27.5 | 889 | 15.3 | 12.7–17.9 | 1034 | 22.8 | 20.5–25.2 | 682 | 14.6 | 12.6–16.7 | |
>12 | 1134 | 13.6 | 9.1–18.1 | 876 | 26.8 | 14.8–38.9 | 258 | 4.8 | 0.3–9.3 | 527 | 15 | 10.0–20.0 | 507 | 12.2 | 7.6–16.8 | |
Smoking status | Current | 2620 | 27.9 | 25.3–30.5 | 958 | 26.4 | 20.0–32.7 | 1662 | 28.9 | 27.4–30.4 | 2540 | 53.9 | 49.2–58.6 | 80 | 1.8 | 0.7–2.9 |
Former | 251 | 2.6 | 1.6–3.5 | 85 | 1.9 | 0–3.9 | 166 | 3 | 2.5–3.6 | 242 | 5 | 3.1–6.8 | 9 | 0.2 | 0–0.3 | |
Never | 6653 | 69.5 | 66.6–72.4 | 2535 | 71.7 | 65.1–78.4 | 418 | 68.1 | 66.0–70.1 | 1868 | 41.1 | 36.0–46.3 | 4785 | 98 | 97.1–99.0 | |
BMI | Low weight | 264 | 3.1 | 2.3–3.8 | 148 | 4.6 | 2.5–6.7 | 116 | 2 | 1.3–2.8 | 103 | 2.4 | 1.6–3.2 | 161 | 3.7 | 2.8–4.7 |
Normal | 4344 | 45.7 | 41.3–50.1 | 1751 | 49.2 | 41.4–57.1 | 2593 | 43.4 | 37.2–49.5 | 2000 | 42.3 | 36.1–48.8 | 2344 | 49 | 44.2–53.8 | |
Overweight | 3496 | 36.6 | 33.2–40.1 | 1244 | 34.1 | 27.8–40.4 | 2252 | 38.3 | 33.5–43.1 | 1825 | 39.5 | 34.9–44.2 | 1671 | 33.7 | 30.7–36.7 | |
Obese | 1410 | 14.6 | 12.2–17.0 | 432 | 12 | 8.0–16.0 | 978 | 16.3 | 12.9–19.7 | 715 | 15.6 | 13.3–17.9 | 695 | 13.6 | 9.3–17.8 | |