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Table 6 Univariate analyses for the assessment of the knee segment during the SLS

From: Factors associated with the Single Leg Squat test in female soccer players: a cross-sectional study

Variable

SLS test for the knee segment: non-dominant leg

SLS test for the knee segment: dominant leg

na

Cases (%) b

ORc

95% CId

p-valuee

na

Cases (%) b

ORc

95% CId

p-valuee

Division

254

70 (28)

1.70

1.22–2.37

0.00*

254

102 (40)

1.71

1.27–2.30

0.00*

Div. 1

89

14 (16)

1

 

0.06

89

22 (25)

1

  

Div. 2

51

15 (29)

2.23

0.97–5.12

0.00*

51

23 (45)

2.5

1.20–5.20

0.01*

Div. 3

114

41 (36)

3.01

1.51–5.98

0.01*

114

83 (73)

3.05

1.66–5.58

0.00*

Age category

254

70 (28)

0.62

0.43–0.89

0.01*

254

102 (40)

0.75

0.54–1.03

0.08

16–19 years

84

34 (41)

1

  

84

43 (52)

1

  

20–24 years

99

20 (20)

0.37

0.19–0.72

0.00*

99

32 (32)

0.46

0.25–0.83

0.01*

25–39 years

71

16 (23)

0.43

0.21–0.87

0.02*

71

27 (38)

0.59

0.31–1.11

0.10

Ankle dorsiflexionf

254

70 (28)

1.0

0.93–1.06

0.89

254

102 (40)

0.95

0.89–1.01

0.11

Hip strengthg

253

70 (28)

0.98

0.97–0.99

0.00*

252

100 (40)

0.99

0.98–1.01

0.26

A severe injuryh

247

69 (28)

   

247

98 (40)

   

No

195

60 (31)

1

  

190

76 (40)

1

  

Yes

52

9 (17)

0.47

0.22–1.03

0.06

57

22 (39)

0.94

0.51–1.73

0.85

A time-loss injury last 4 weeksi

250

69 (28)

   

250

100 (40)

   

No

238

63 (27)

1

  

237

94 (40)

1

  

Yes

12

6 (50)

2.78

0.86–8.93

0.09

13

6 (46)

1.30

0.43-4.0

0.64

An injury problemj

254

70 (28)

   

254

102 (40)

   

No

224

57 (26)

1

  

214

85 (40)

1

  

Yes

30

13 (43)

2.24

1.03–4.90

0.04*

40

17 (43)

1.12

0.57–2.22

0.74

AFAQk

252

69 (27)

0.95

0.91–0.99

0.01*

252

101 (40)

0.99

0.95–1.02

0.41

PSS-14l

252

69 (27)

0.99

0.91–1.06

0.69

252

101 (40)

0.93

0.87-1.00

0.05*

PSQIm

252

69 (27)

   

252

101 (40)

   

Good sleepers, ≤ 5 points

156

38 (24)

1

  

156

58 (37)

1

  

Poor sleepers, ≥ 6 points

96

31 (32

1.48

0.84–2.60

0.17

96

43 (45)

1.37

0.82–2.30

0.23

GAD-7n

252

69 (27)

0.90

0.61–1.31

0.57

252

101 (40)

1.16

0.82–1.62

0.40

No anxiety

108

29 (27)

1

  

108

37 (34)

1

  

Mild anxiety ≥ 5 points

98

31 (32)

1.26

0.69–2.30

0.45

89

47 (48)

1.77

1.01–3.10

0.05*

Moderate/severe anxiety ≥ 10 points

46

9 (20)

0.66

0.29–1.54

0.34

46

17 (37)

1.13

0.55–2.31

0.75

  1. *Denotes a statistically significant differences at p ≤ 0.05;
  2. an: total sample; bCases (%): total number of subjects failing 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 last 4 weeks: A time-loss injury located in the head, lower belly, lower back, pelvis or lower extremities four weeks before or during the test occasion, no pain allowed during the test occasion; 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
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BMC Sports Science, Medicine and Rehabilitation

ISSN: 2052-1847

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