Average annual weight change over 10 years and characteristics of 1929 overweight, non-diabetic1-150 subjects in the First National Health and Nutrition Examination Survey, Epidemiologic Follow up Study, 1971–1992
| Variable | |
|---|---|
| Annual weight change (kg/y)1-151 | 0.10 (0.99) |
| Total weight change (AWC x 10) | 1.0 (9.9) |
| Age (y) | 48.1 (13.9) |
| Sex (% female) | 1261 (65.4) |
| Race | |
| White | 1579 (81.9%) |
| Black | 339 (17.5%) |
| Other | 11 (0.6%) |
| BMI (kg/m2) | 31.3 (3.7) |
| Skinfold ratio | |
| Men | 1.57 ± 0.57 |
| Women | 0.98 ± 0.26 |
| Systolic blood pressure (mm Hg) | 139 (23) |
| Education (⩾high school) | 1076 (56.5) |
| Change in physical activity1-151 | |
| Same | 956 (49.1) |
| Increase | 519 (26.9) |
| Decrease | 461 (24.0) |
| Incident diabetes1-152 | 251 (13.0) |
Data are expressed as mean (SD) for continuous variables and n (%) for nominal variables.
↵1-150 Overweight defined as BMI⩾27.8kg/m2 for men and BMI⩾27.3kg/m2 for women. Subjects were non-diabetic between baseline and first follow up.
↵1-151 Between baseline and first follow up examinations (mean interval=10 y).
↵1-152 Crude cumulative incidence calculated for diabetes diagnosed during the period 1982–84 to 1992.