Table 2.
Estimated Annual Increase in the Odds of Obesity Prevalence by Sex: CHNS, 1991–2011
| Sex | AOR (95% CI) | p-Value |
|---|---|---|
| BMI ≥28a | ||
| Allb | 1.06 (1.06, 1.07) | <0.001 |
| Menb | 1.08 (1.07, 1.09) | <0.001 |
| Womenb | 1.05 (1.05, 1.06) | <0.001 |
| BMI ≥30 | ||
| Allb | 1.07 (1.06, 1.08) | <0.001 |
| Menb | 1.09 (1.08, 1.10) | <0.001 |
| Womenb | 1.05 (1.04, 1.06) | <0.001 |
Note: Boldface indicates statistical significance (p<0.001).
a
Calculated as weight in kilograms divided by height in meters squared.
b
Age adjusted by the direct method to the year 2010 Census population using the age groups of 20–39 years, 40–59 years, and 60 years or older.
AOR, annual change in OR; CHNS, China Health and Nutrition Survey.