Table 3.
Association between changes in physical activity and concurrent changes (Δ) in adiposity during weight loss intervention
| Changes of Physical Activity (steps/day) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline to 6 months1 | Baseline to 24 months1 | 6 months to 24 months2 | ||||||||||
| N3 | β (SE) | P | FDR (qvalue) | N3 | β (SE) | P | FDR (qvalue) | N3 | β (SE) | P | FDR (qvalue) | |
| Δ Body weight, kg | 382 | −0.48 (0.11) | <0.0001 | 0.0002 | 256 | −0.63 (0.14) | <0.0001 | 0.0002 | 340 | −0.31 (0.09) | 0.0003 | 0.0015 |
| Δ Waist circumference, cm | 382 | −0.49 (0.12) | <0.0001 | 0.0002 | 256 | −0.73 (0.14) | <0.0001 | 0.0002 | 340 | −0.37 (0.09) | <0.0001 | 0.001 |
| Δ Body composition | ||||||||||||
| Δ Total fat, kg | 218 | −0.49 (0.11) | <0.0001 | 0.0002 | 145 | −0.64 (0.15) | <0.0001 | 0.0002 | 185 | −0.29 (0.09) | 0.002 | 0.005 |
| Δ Total lean, kg | 218 | −0.15 (0.06) | 0.0096 | 0.012 | 145 | −0.18 (0.08) | 0.033 | 0.0471 | 185 | −0.08 (0.06) | 0.1624 | 0.1804 |
| Δ Total fat mass % | 218 | −0.35 (0.07) | <0.0001 | 0.0002 | 145 | −0.42 (0.09) | <0.0001 | 0.0002 | 185 | −0.20 (0.06) | 0.0015 | 0.005 |
| Δ Trunk fat % | 218 | −0.46 (0.10) | <0.0001 | 0.0002 | 145 | −0.50 (0.12) | <0.0001 | 0.0002 | 185 | −0.23 (0.08) | 0.0031 | 0.0052 |
| Δ Adipose tissue mass | ||||||||||||
| Δ Total | 73 | −0.22 (0.10) | 0.0352 | 0.0391 | 53 | −0.21 (0.13) | 0.1122 | 0.1247 | 76 | −0.20 (0.07) | 0.0044 | 0.0063 |
| Δ Visceral | 90 | −0.14 (0.04) | 0.0011 | 0.0017 | 66 | −0.14 (0.05) | 0.0045 | 0.0075 | 90 | −0.05 (0.03) | 0.0784 | 0.098 |
| Δ Deep subcutaneous | 90 | −0.13 (0.04) | 0.0012 | 0.0017 | 66 | −0.06 (0.04) | 0.1274 | 0.1274 | 90 | −0.04 (0.03) | 0.1905 | 0.1905 |
| Δ Superficial | 73 | −0.11 (0.06) | 0.0832 | 0.0832 | 53 | −0.13 (0.08) | 0.1037 | 0.1247 | 76 | −0.13 (0.04) | 0.0028 | 0.0052 |
Beta represents the change in outcomes for the per 1000 increases in steps/day; FDR (qvalue) false discovery rate
Data with GLM model adjusting for age at the baseline examination, sex, race, diet group, body mass index at the baseline examination, baseline steps, and variable of interest at the baseline examination (except for body weight).
Data with GLM model adjusting for age at the baseline examination, sex, race, diet group, body mass index at the baseline examination, steps at 6 months, and variable of interest at 6 months.
N, Number of participants eligible for the analysis.