Table 3.
Univariate analyses for the assessment of all segments during the SLS, the total score
| Variable | SLS test for all segments: non-dominant leg | SLS test for all segments: dominant leg | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| na | Cases (%) b | OR c | 95% CId | p-valuee | na | Cases (%) b | OR c | 95% CId | p-valuee | |
| Division | 254 | 117 (46) | 1.43 | 1.08–1.89 | 0.01* | 254 | 176 (69) | 1.25 | 0.93–1.6 | 0.14 |
| Div. 1 | 89 | 32 (36) | 1 | 89 | 56 (63) | 1 | ||||
| Div. 2 | 51 | 24 (47) | 1.58 | 0.79–3.19 | 51 | 37 (73) | 1.56 | 0.74–3.30 | 0.25 | |
| Div. 3 | 114 | 61 (54) | 2.05 | 1.16–3.62 | 0.01* | 114 | 83 (73) | 1.58 | 0.87–2.86 | 0.13 |
| Age category | 254 | 115 (45) | 0.65 | 0.47–0.91 | 0.01* | 254 | 176 (69) | 0.97 | 0.69–1.37 | 0.86 |
| 16–19 years | 84 | 47 (56) | 1 | 84 | 61 (73) | 1 | ||||
| 20–24 years | 99 | 45 (46) | 0.66 | 0.37–1.18 | 0.16 | 99 | 64 (65) | 0.69 | 0.37–1.30 | 0.25 |
| 25–39 years | 71 | 25 (35) | 0.43 | 0.22–0.82 | 0.01* | 71 | 51 (72) | 0.96 | 0.48–1.95 | 0.91 |
| Ankle dorsiflexion f | 254 | 117 (46) | 0.97 | 0.92–1.03 | 0.39 | 254 | 176 (69) | 0.92 | 0.86–0.99 | 0.03* |
| Hip strength g | 253 | 117 (46) | 0.99 | 0.98–0.99 | 0.04* | 252 | 174 (69) | 0.99 | 0.98–0.99 | 0.02* |
| A severe injury h | 247 | 114 (46) | 247 | 170 (69) | ||||||
| No | 195 | 100 (51) | 1 | 190 | 130 (68) | 1 | ||||
| Yes | 52 | 14 (27) | 0.35 | 0.18–0.69 | 0.00* | 57 | 40 (70) | 1.09 | 0.57–2.07 | 0.80 |
| A time-loss injury i | 250 | 113 (45) | 250 | 174 (70) | ||||||
| No | 161 | 76 (47) | 135 | 88 (65) | 1 | |||||
| Yes | 89 | 39 (44) | 1 | 0.52–1.47 | 0.61 | 115 | 86 (75) | 1.58 | 0.91–2.75 | 0.10 |
| An injury problem j | 254 | 117 (46) | 0.87 | 254 | 176 (69 | |||||
| No | 224 | 99 (44) | 1 | 214 | 147 (69) | 1 | ||||
| Yes | 30 | 18 (60) | 1.89 | 0.87–4.11 | 0.11 | 40 | 29 (73) | 1.20 | 0.57–2.55 | 0.63 |
| AFAQ gk | 252 | 115 (46) | 0.97 | 0.93-1.00 | 0.07 | 252 | 174 (69) | 0.99 | 0.96–1.03 | 0.72 |
| PSS-14 l | 252 | 115 (46) | 0.96 | 0.90–1.03 | 0.25 | 252 | 174 (69) | 0.94 | 0.87–1.01 | 0.09 |
| PSQI m | 252 | 115 (46) | 252 | 174 (69) | ||||||
| Good sleepers, ≤ 5 points | 156 | 66 (42) | 1 | 156 | 105 (68) | 1 | ||||
| Poor sleepers, ≥ 6 points | 96 | 49 (51) | 1.42 | 0.85–2.37 | 0.18 | 96 | 69 (71) | 1.24 | 0.71–2.17 | 0.45 |
| GAD-7 n | 252 | 115 (46) | 1.07 | 0.77–1.49 | 0.70 | 252 | 174 (69) | 1.36 | 0.94–1.97 | 0.11 |
| No anxiety | 108 | 49 (45) | 1 | 108 | 68 (63) | 1 | ||||
| Mild anxiety ≥ 5 points | 98 | 43 (44) | 0.94 | 0.54–1.63 | 0.83 | 98 | 72 (74) | 163 | 0.90–2.95 | 0.11 |
| Moderate/severe anxiety ≥ 10 points | 46 | 23 (50) | 1.20 | 0.60–2.40 | 0.60 | 46 | 34 (74) | 1.67 | 0.78–2.51 | 0.19 |
*Denotes a statistically significant differences at p ≤ 0.05;
an: total sample; bCases (%): total number of subjects failing on the SLS test, and in brackets, the risk/probability to fail the SLS test expressed in the percentage of the total number of performed Single Leg Squats; cOR: odds ratio; d95% CI: 95% confidence interval; ep-value: probability value; fAnkle dorsiflexion: measured with the Weight Bearing Dorsiflexion Lunge Test (WBLT) and calculated with a trigonometric dorsiflexion angle (TA); gHip strength: Side-Lying Clamshell (CLAM), body-sized independent measurement; Newton (N)*length of femur (m)/ (Body weight (kg)*height (m)) *100; hA severe Injury: One or more time-loss injuries located in the head, lower belly, lower back, pelvis or lower extremities, during season 2021 or earlier, that lasted three months or more; iA time-loss injury: One or more time-loss injuries located in the head, lower belly, lower back, pelvis or lower extremities during season 2021; jAn injury problem: An injury problem located in the head, lower belly, lower back, pelvis or lower extremities that did not demand any time-loss from game or training during the four weeks before or during the test occasion; kAFAQ: Athletic Fear Avoidance Questionnaire; lPSS-14: Perceived Stress Scale 14-item instrument; mPSQI: Pittsburgh Sleep Quality Index; nGAD-7: Generalized Anxiety Disorder 7-item scale