Table 2.
Prevalence of abdominal obesity (WC ≥90a for men and WC ≥80a for women) for adults aged 20 years and older: CHNS 2011.
| % (95% CI) |
||||
|---|---|---|---|---|
| Total | Rural | Urbanc | Megacity | |
| All | ||||
| ≥20 years | 47.7 (46.9–48.6) | 47.7 (46.4–49.0) | 47.4 (45.6–49.2) | 48.1 (46.4–49.8) |
| Age adjusted ≥20 yearsb | 44.0 (43.1–44.8) | 44.0 (42.7–45.2) | 42.5 (40.7–44.2) | 45.2 (43.5–46.9) |
| Men | ||||
| ≥20 years | 36.7 (35.5–38.0) | 34.6 (32.9–36.4) | 36.9 (34.4–39.4) | 40.2 (37.8–42.7) |
| Age adjusted ≥20 yearsb | 35.3 (34.1–36.6) | 33.3 (31.6–35.1) | 34.5 (32.0–36.9) | 39.4 (36.9–41.8) |
| 20–39 years | 31.4 (28.8–33.9) | 29.5 (25.8–33.3) | 27.7 (22.7–32.7) | 36.8 (32.1–41.5) |
| 40–59 years | 39.2 (37.4–41.0) | 37.6 (35.1–40.2) | 40.6 (36.8–44.4) | 41.0 (37.4–44.5) |
| ≥60 years | 36.7 (34.4–39.0) | 33.2 (30.0–36.4) | 38.0 (33.6–42.3) | 42.4 (37.6–47.2) |
| Women | ||||
| ≥20 years | 57.5 (56.3–58.7) | 59.2 (57.5–60.9) | 56.8 (54.4–59.2) | 55.0 (52.7–57.3) |
| Age adjusted ≥20 yearsb | 51.7 (50.5–52.9) | 53.4 (51.7–55.1) | 49.8 (47.4–52.2) | 51.0 (48.6–53.3) |
| 20–39 years | 36.6 (34.2–39.0) | 39.3 (35.6–43.0) | 35.5 (30.3–40.7) | 33.8 (29.8–37.8) |
| 40–59 years | 61.3 (59.5–63.0) | 62.9 (60.5–65.4) | 56.9 (53.3–60.5) | 62.0 (58.6–65.3) |
| ≥60 years | 68.2 (66.1–70.3) | 67.2 (64.2–70.2) | 69.3 (65.5–73.2) | 69.2 (64.7–73.7) |
CHNS, China Health and Nutrition Survey; CI, confidence interval; WC, waist circumference.
a
Calculated in centimeters.
b
Age adjusted using the direct method to the year 2010 Census population using the age groups 20–39 years, 40–59 years, and ≥60 years.
c
Does not include the three megacities added in 2011.