Table 3.
Change in physical activity and dietary intake of young adults in a six month behavioral weight loss intervention.
| N | Baseline | 6 months | Change | P-value* | ||
|---|---|---|---|---|---|---|
|
| ||||||
| Physical Activity | ||||||
| Sedentary (% of monitor wear time) |
Median (25th, 75th %-iles) | 385 | 65.4 (57.4, 72.7) | 65.0 (52.2, 74.7) | −0.6 (−10.6, 6.9) | 0.03 |
| Range | 7.0–91.3 | 3.9–95.5 | −58.6–44.6 | |||
|
| ||||||
| Sedentary (hours/day) |
Median (25th, 75th %-iles) | 385 | 9.1 (7.9, 10.2) | 8.8 (7.3, 10.4) | −0.2 (−1.6, 1.0) | 0.02 |
| Range | 1.0–13.4 | 0.6–14.6 | −8.8–6.0 | |||
|
| ||||||
| LPA (minutes/week) |
Median (25th, 75th %-iles) | 386 | 1537.0 (1149.0, 1961.0) | 1583.0 (1123.0, 2184.0) | 59.2 (−320.0, 523.0) | 0.01 |
| Range | 415.0–3848.0 | 175.0–4581.0 | −1842.0–3215.0 | |||
|
| ||||||
| LPA (MET-minutes/week) |
Median (25th, 75th %-iles) | 386 | 3132.6 (2355.6, 4010.9) | 3099.5 (2202.5, 4268.0) | 20.0 (−778.1, 884.5) | 0.66 |
| Range | 757.7–8663.1 | 325.7–9692.1 | −4788.0–6172.9 | |||
|
| ||||||
| Total MVPA (minutes/week) |
Median (25th, 75th %-iles) | 386 | 422.2 (289.0, 611.0) | 423.3 (254.0, 666.0) | −22.6 (−156.0, 172.0) | 0.94 |
| Range | 66.0–3168.0 | 8.0–3019.0 | −2542.0–1880.0 | |||
|
| ||||||
| Total MVPA (MET-min/wk) |
Median (25th, 75th %-iles) | 386 | 1532.9 (1040.8, 2287.5) | 1537.8 (895.0, 2440.0) | −95.0 (−609.8, 661.4) | 0.82 |
| Range | 231.0–13362.8 | 29.6–10689.7 | −10093.2–7344.6 | |||
|
| ||||||
| ≥10 minute sessions of MVPA (minutes/week) |
Median (25th, 75th %-iles) | 386 | 100.0 (26.0, 192.0) | 214.5 (99.0, 389.0) | 103.4 (3.0, 247.0) | <0.0001 |
| Range | 0–1889.0 | 0–2182.8 | −1521.0–1823.0 | |||
|
| ||||||
| ≥10 minute sessions of MVPA (MET-minutes/week) |
Median (25th, 75th %-iles) | 386 | 427.7 (118.2, 859.4) | 945.3 (415.0, 1753.8) | 420.6 (0, 1035.8) | <0.0001 |
| Range | 0–11393.3 | 0–10225.3 | −7709.8–7378.8 | |||
|
| ||||||
| Dietary Intake | ||||||
| Total calories (kcal/day) | Median (25th, 75th %-iles) | 417 | 1655.1 (1224.9, 2284.4) | 1257.6 (909.6, 1677.3) | −397.2 (−800.4, −63.1) | <0.0001 |
| Range | 458.3–13317.3 | 96.6–6247.7 | −9743.3–2330.5 | |||
|
| ||||||
| % calories carbohydrates |
Median (25th, 75th %-iles) | 417 | 47.6 (42.9, 52.4) | 50.3 (45.4, 56.8) | 2.5 (−2.4, 7.5) | <0.0001 |
| Range | 24.7–75.2 | 26.7–77.3 | −36.8–33.7 | |||
|
| ||||||
| % calories protein | Median (25th, 75th %-iles) | 417 | 15.9 (14.1, 18.0) | 16.8 (14.8, 18.4) | 0.8 (−1.4, 2.8) | <0.0001 |
| Range | 6.5–34.6 | 7.7–27.4 | −20.6–14.2 | |||
|
| ||||||
| % calories fat | Median (25th, 75th %-iles) | 417 | 35.3 (30.3, 39.0) | 31.4 (27.2, 35.6) | −3.5 (−7.8, 0.6) | <0.0001 |
| Range | 15.9–57.3 | 13.4–59.6 | −25.3–32.2 | |||
MET: metabolic equivalent; LPA: light-intensity physical activity (1.5 to <3.0 METs); MVPA: moderate-to-vigorous physical activity (≥3.0 METs).
*
Wilcoxon signed rank test.