Table 1
Baseline descriptive statistics for the study population
| Control group (n = 70) | Non-competitive HIIT (n = 70) | Competitive HIIT (n = 49) | ||||||||||||||||
| Variable | Total | Male | Female | Total | Male | Female | Total | Male | Female | |||||||||
| x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | x̄ | SD | |
| Perceived stress | 24.01 | 7.88 | 22.49 | 7.28 | 26.44 | 8.32 | 24.74 | 7.26 | 23.44 | 7.16 | 26.12 | 7.21 | 29.04 | 7.42 | 26.71 | 8.02 | 30.79 | 6.56 |
| Sleep duration | 6.90 | 1.49 | 7.29 | 1.15 | 6.26 | 1.75 | 7.24 | 1.42 | 7.52 | 1.30 | 6.90 | 1.51 | 6.94 | 1.99 | 7.14 | 1.93 | 6.79 | 2.07 |
| Sleep quality | 6.43 | 4.37 | 5.77 | 3.88 | 7.48 | 4.96 | 6.04 | 4.45 | 5.61 | 4.08 | 6.50 | 4.83 | 6.88 | 3.31 | 6.67 | 3.75 | 7.04 | 3.00 |
| Intrinsic regulation | 3.97 | 1.03 | 4.09 | 0.96 | 3.79 | 1.12 | 3.92 | 0.98 | 4.06 | 0.95 | 3.76 | 1.00 | 3.67 | 1.00 | 4.10 | 0.86 | 3.34 | 0.98 |
| Identified regulation | 3.86 | 0.84 | 3.91 | 0.67 | 3.77 | 1.06 | 3.65 | 0.85 | 3.72 | 0.78 | 3.57 | 0.93 | 3.84 | 0.80 | 4.09 | 0.88 | 3.66 | 0.69 |
| Introjected regulation | 2.84 | 1.13 | 2.91 | 0.98 | 2.73 | 1.34 | 2.65 | 1.03 | 2.59 | 0.88 | 2.71 | 1.18 | 2.99 | 1.12 | 3.10 | 1.05 | 2.90 | 1.19 |
| External regulation | 1.91 | 0.81 | 1.96 | 0.70 | 1.83 | 0.97 | 1.91 | 0.98 | 1.90 | 1.00 | 1.91 | 0.97 | 2.22 | 0.97 | 2.02 | 0.89 | 2.38 | 1.01 |
| Amotivation | 1.69 | 0.84 | 1.74 | 0.86 | 1.63 | 0.82 | 1.82 | 0.98 | 1.92 | 0.99 | 1.70 | 0.97 | 2.31 | 0.70 | 2.38 | 0.66 | 2.25 | 0.74 |
| PA enjoyment | 62.91 | 11.07 | 62.52 | 12.39 | 63.54 | 8.72 | 64.03 | 10.20 | 65.00 | 11.15 | 63.00 | 9.14 | 60.16 | 9.39 | 62.33 | 9.62 | 58.54 | 9.04 |
| Self-esteem | 23.60 | 3.69 | 23.71 | 4.11 | 23.42 | 2.97 | 24.64 | 4.02 | 23.78 | 4.56 | 25.56 | 3.18 | 26.71 | 2.61 | 26.33 | 2.83 | 27.00 | 2.45 |
| Note. SD = standard deviation, x̄ = mean, n = sample size. | ||||||||||||||||||
