Table 6. Estimated 3 Year Weight Regain By 3 Year Change in Energy Intake and Physical Activity*.
| Change in Energy Intake (kcals/day) | Change in Physical Activity (kcals/week) | ||||
|---|---|---|---|---|---|
| < -500 | -500 to +500 | >500+ | Combined | Linear Trend (effect of EE within EI) | |
| <-150 | 6.52±0.46 (n=322) | 3.16±0.53 (n=234) | 2.63±0.60 (n=183) | 4.10±0.31 (n=739) | <.0001 |
| -150 to +150 | 5.42±0.48 (n=286) | 4.97±0.58 (n=200) | 3.01±0.64 (n=162) | 4.47±0.34 (n=648) | .0024 |
| >+150 | 7.20±0.45 (n=328) | 4.92±0.51 (n=252) | 5.02±0.59 (n=188) | 5.71±0.30 (n=768) | .0032 |
| Combined | 6.38±0.27 (n=936) | 4.35±0.32 (n=686) | 3.55±0.36 (n=533) | ||
| Linear Trend (effect of EI within EE) | .2848 | .0166 | .0044 | ||
*
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 <0.0001 ; p <0.0001 Linear Trend
Intake: p =0.0004; p =0.0002 Linear Trend
Expenditure*Intake: p = .0387
n= 2155 with complete data (Paffenbarger, Block FFQ, and weight) at registry entry and year 3.