Table 5. Estimated 3 Year Weight Regain (Mean±SE) by Levels of Caloric Intake and Physical Activity at Enrollment*.
| Caloric Intake at Enrollment (kcals) | Level of Physical Activity at Enrollment (kcals/week) | ||||
|---|---|---|---|---|---|
| <1000 (n=615) | 1000-2249 (n=672) | 2250-3499 (n=589) | ≥3500 (n=688) | Combined | |
| < 1000 (n=617) | 5.17±0.70 | 5.58±0.68 | 5.30±0.77 | 5.75±0.69 | 5.45±0.36 |
| 1000-1300 (n=649) | 5.39±0.72 | 4.39±0.68 | 5.98±0.66 | 5.35±0.70 | 5.28±0.35 |
| 1300-1700 (n=680) | 4.68±0.70 | 4.42±0.63 | 5.29±0.74 | 5.13±0.63 | 4.88±0.34 |
| >1700 (n=618) | 5.65±0.71 | 4.73±0.72 | 5.23±0.73 | 5.59±0.67 | 5.30±0.36 |
| Combined | 5.22±0.36 | 4.78±0.34 | 5.45±0.36 | 5.45±0.34 | |
*
Data reported as mean ± standard error, adjusted for Gender (24% male), Age (46.8), Enrollment Weight (71.4 kg) estimated using a general linear model, Linear trend p-values calculated using polynomial contrasts.
Expenditure: p = .4632; p = .3818 Linear Trend
Intake: p = .6794; p = .6099 Linear Trend
Expenditure*Intake: p = .9733
n=2564 with complete Paffenbarger and Block FFQ data at registry entry, and weight regain data at year 3