Table 1.
Age-adjusted baseline characteristics according to early adulthood weight change
| Weight loss, ≥2.0 kg | Weight change, within 2.0 kg | Weight gain, 2.0-5.9 kg | Weight gain, 6.0-9.9 kg | Weight gain, 10.0-19.9 kg | Weight gain, ≥20.0 kg | |
|---|---|---|---|---|---|---|
| Age, years* | 39.3 (4.7) | 39.2 (4.7) | 39.5 (4.6) | 40.0 (4.6) | 40.6 (4.6) | 41.2 (4.5) |
| Body mass index, kg/m2 | 22.0 (3.6) | 21.2 (2.7) | 21.9 (2.5) | 23.4 (2.7) | 26.1 (3.3) | 33.7 (6.0) |
| BMI at age 18 | 24.5 (4.8) | 21.1 (2.7) | 20.4 (2.5) | 20.4 (2.6) | 20.7 (3.0) | 22.3 (3.7) |
| Physical activity, METsa | 26.8 (32.9) | 25.1 (31.3) | 23.2 (28.8) | 21.3 (26.8) | 19.4 (25.5) | 16.4 (22.8) |
| Smoking status | ||||||
| - never, % | 61.7 | 67.8 | 68.9 | 68.0 | 68.1 | 69.4 |
| - past, % | 25.3 | 24.3 | 23.7 | 24.8 | 24.2 | 23.9 |
| - current, % | 13.0 | 7.9 | 7.4 | 7.2 | 7.7 | 6.7 |
| History of diabetes, % | 1.4 | 0.8 | 0.9 | 0.8 | 1.3 | 3.2 |
| History of hypertension, % | 2.4 | 2.1 | 2.2 | 3.1 | 5.3 | 13.4 |
| History of hypercholesterolemia, % | 5.9 | 5.7 | 6.1 | 7.7 | 10.9 | 17.4 |
| Alternate Healthy Eating Index score | 53.1 (11.3) | 52.1 (11.2) | 51.0 (10.8) | 49.9 (10.5) | 48.6 (10.3) | 46.3 (10.2) |
| Regular aspirin use, 1995,† % | 11.5 | 10.8 | 10.8 | 10.3 | 10.8 | 12.0 |
| Premenopausal, % | 93.2 | 94.0 | 94.0 | 93.8 | 92.6 | 91.4 |
| Current menopausal hormone,‡ % therapy,‡ % | 4.8 | 4.5 | 4.5 | 4.7 | 5.7 | 6.5 |
| Race (white), % | 96.9 | 96.7 | 96.3 | 95.6 | 94.7 | 95.1 |
BMI, body mass index; MET, metabolic equivalent of tasks.
All values other than age are standardized to the age distrubition of the study population. Values are means (SD) unless stated otherwise.
a
Physical activity was defined according to expended MET-hours/week (see Methods).
†
Regular aspirin use was defined as the regular use of at least 2 aspirin pills per week.
‡
Among postmenopausal participants.