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Table 1 Sample characteristics and characteristics of anabolic androgenic steroids (AAS) use

From: Sleep pathology and use of anabolic androgen steroids among male weightlifters in Norway

Variable

WLC, N = 581

AAS, N = 681

Test Statistic

p-value2

η2

Age

37 (9)

38 (11)

0.01

> 0.9

−0.008

Edu

16.76 (2.64)

14.95 (2.54)

15

< 0.001

0.114

IQ

117 (9)

108 (10)

21

< 0.001

0.158

Height

182 (6)

182 (7)

0.02

0.9

−0.008

Weight

93 (11)

100 (17)

5.8

0.016

0.039

Strength training (min/week)

382 (210)

356 (210)

0.40

0.5

−0.005

Endurance training (min/week)

101 (130)

100 (155)

1.0

0.3

0.000

Bench max

142 (22)

175 (35)

29

< 0.001

0.225

Total years AAS use

NA (NA)

11 (8)

   

Debut age

NA (NA)

23 (8)

   

Current/previous AAS use

     

 Current

0 / 0 (NA%)

44 / 68 (65%)

   

 Previous

0 / 0 (NA%)

24 / 68 (35%)

   

Anxiety medication3

4 / 58 (6.9%)

15 / 664 (23%)

 

0.023

 

Antidepressants3

4 / 58 (6.9%)

17 / 664 (26%)

 

0.007

 

Sleeping medication3

4 / 58 (6.9%)

25 / 664 (38%)

 

< 0.001

 

Sleeping problems as side-effect of AAS use

     

 No problems

0 / 0 (NA%)

22 / 655 (34%)

   

 Some degree

0 / 0 (NA%)

22 / 655 (34%)

   

 Certain degree

0 / 0 (NA%)

17 / 655 (26%)

   

 Large degree

0 / 0 (NA%)

4 / 655 (6%)

   

HSCL total

1.22 (0.28)

1.42 (0.43)

11.25

< 0.001

0.083

HSCL anxiety

1.15 (0.26)

1.36 (0.45)

10.61

0.001

0.078

HSCL depression

1.26 (0.33)

1.45 (0.45)

8.63

0.003

0.06

  1. AAS anabolic androgenic steroids: WLC weightlift controls
  2. 1Mean (SD); n / N (%)
  3. 2Kruskal-Wallis rank sum test; Fisher’s exact test
  4. 3Prescribed medication
  5. 4missing data (n = 2)
  6. 5missing data (n = 3)