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Table 2 General overview of results referring CF performance

From: High sleep quality can increase the performance of CrossFit® athletes in highly technical- and cognitive-demanding categories

Variable

  

High sleep quality

Poor sleep quality

General Fitness

Absolute (Relative) Frequency

Improvement

59 (63%)

31 (55%)

No Improvement

18 (19%)

13 (23%)

Not Applicable

16 (17%)

12 (21%)

  

χ2 = (2, N = 149) = 0.96, p = .62, φ = 0.08

Cardio

Absolute (Relative) Frequency

Improvement

52 (63%)

21 (48%)

No Improvement

30 (37%)

23 (52%)

  

χ2 = (1, n = 126) = 2.28, p = .13, φ = 0.15

5 RM

Absolute (Relative) Frequency

Improvement

42 (65%)

24 (56%)

No Improvement

23 (35%)

19 (44%)

  

χ2 = (1, n = 108) = 0.52, p = .47, φ = 0.09

1 RM

Absolute (Relative) Frequency

Improvement

49 (67%)

23 (54%)

No Improvement

24 (33%)

20 (47%)

  

χ2 = (1, n = 116) = 1.60, p = .21, φ = 0.14

Hero-/Girl-WODs

Absolute (Relative) Frequency

Improvement

31 (62%)

8 (24%)

No Improvement

19 (38%)

25 (76%)

  

χ2 = (1, n = 83) = 9.92, p = .002 *, φ = 0.37

Gymnastics

Absolute (Relative) Frequency

Improvement

61 (74%)

22 (47%)

No Improvement

21 (26%)

25 (53%)

  

χ2 = (1, n = 129) = 8.74, p = .003 *, φ = 0.28