TABLE 4.
Physical activity intensity prior to and following exercise intervention
| Physical activity | HIIT (n = 22) | MICT (n = 22) | p‐value (Exercise) | p‐value (Time) | p‐value (Interaction) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Day Prior | Day of | Post‐1 | Post‐2 | Day Prior | Day of | Post‐1 | Post‐2 | ||||
| Sedentary (min/day) | 578 ± 165 | 611 ± 41 | 617 ± 166 | 596 ± 23 | 552 ± 68 | 610 ± 29 | 569 ± 157 | 548 ± 167 | 0.130 | 0.100 | 0.450 |
| Light (min/day) | 263 ± 102 | 251 ± 68 | 232 ± 64 | 263 ± 99 | 241 ± 63 | 260 ± 68 | 270 ± 96 | 275 ± 85 | 0.450 | 0.320 | 0.070 |
| MVPA (min/day) | 27 ± 20 | 21 ± 15 | 26 ± 24 | 25 ± 23 | 31 ± 6 | 31 ± 26 | 34 ± 30 | 21 ± 14 | 0.260 | 0.270 | 0.360 |
| Nutrition a | Prior | 24 h | 48 h | Prior | 24 h | 48 h | |||
|---|---|---|---|---|---|---|---|---|---|
| Calories (kcal) | 2596 ± 876 | 2745 ± 1023 | 2772 ± 795 | 2441 ± 759 | 2448 ± 733 | 2575 ± 666 | 0.100 | 0.630 | 0.900 |
| Protein (g) | 112 ± 7 | 109 ± 40 | 112 ± 45 | 100 ± 39 | 100 ± 39 | 102 ± 38 | 0.110 | 0.920 | 0.990 |
| Carbs (g) | 316 ± 120 | 338 ± 133 | 323 ± 113 | 314 ± 128 | 300 ± 71 | 308 ± 63 | 0.310 | 0.980 | 0.710 |
| Fat (g) | 101 ± 45 | 114 ± 71 | 119 ± 52 | 96 ± 40 | 100 ± 47 | 107 ± 39 | 0.170 | 0.320 | 0.910 |
| Sleep b | Prior to | Night of | Following | Prior to | Night of | Following | |||
|---|---|---|---|---|---|---|---|---|---|
| At night (min) | 398 ± 70 | 451 ± 68 | 412 ± 84 | 419 ± 66 | 431 ± 61 | 422 ± 77 | 0.842 | 0.017 | 0.157 |
| Naps (min) | 1 ± 7 | 11 ± 29 | 28 ± 44 | 3 ± 11 | 16 ± 38 | 6 ± 14 | 0.321 | 0.038 | 0.052 |
| CS (min) | 400 ± 68 | 462 ± 64 | 440 ± 88 | 422 ± 64 | 446 ± 61 | 428 ± 75 | 0.779 | <0.001 | 0.144 |
| WASO (min) | 66 ± 35 | 72 ± 41 | 61 ± 45 | 60 ± 37 | 58 ± 38 | 72 ± 42 | 0.473 | 0.762 | 0.032 |
| Awakenings c | 17 ± 9 | 19 ± 11 | 14 ± 8 | 16 ± 8 | 15 ± 8 | 17 ± 10 | 0.337 | 0.684 | 0.012 |
Notes: Data derived from Actigraph accelerometer and daily food logs. All values are expressed as mean ± standard deviation. Two‐way repeated measures ANOVA mixed effect was used to determine statistical difference between groups.
Abbreviations: Carbs, carbohydrates; CS, combined sleep (i.e., sleep at night and naps); g, grams; HIIT, high‐intensity interval training; h, hours; kcal, kilocalories; MICT, moderate‐intensity continuous training; Min, minutes; MVPA, moderate‐to‐vigorous physical activity; n, number of participants; WASO, wake after sleep onset.
The bolded values are to highlight the significan values.
n = 24 for nutrition.
n = 23 for sleep metrics.
Number of awakenings after onset of sleep.