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Table 1 Self-reported Characteristics of British Professional and Amateur Natural Bodybuilders Preparing for Competition

From: Nutritional strategies of British professional and amateur natural bodybuilders during competition preparation

 

Male competitors

Female competitors

Male

Female

PRO

SD

AMA

SD

P value

PRO

SD

AMA

SD

P value

Mean

SD

Mean

SD

Age

34.9

8.6

29.7

8.5

0.147

45.6

9.3

36.0

7.9

0.064

30.9

8.7

39.4

9.4

Years Bodybuilding

17.0

8.4

11.2

7.8

0.083

4.3

2.3

5.3

2.7

0.667

12.6

8.2

4.9

3.8

Years Competing

12.3

9.2

2.4

1.4

>  0.001

3.6

2.4

2.7

1.2

0.348

4.8

6.2

3.0

1.7

Height (m)

1.77

0.05

1.77

0.1

0.865

1.64

0.1

1.62

0.1

0.527

1.77

0.05

1.63

0.1

Diet Length (weeks)

28.1

8.1

21.0

9.4

0.064

25.0

7.3

25.0

8.3

1.000

22.7

9.5

25.0

7.7

Diet Start Weight (kg)

95.6

8.3

88.3

8.0

0.032

65.5

5.9

65.7

6.0

0.964

90.1

8.5

65.6

5.8

Diet End Weight (kg)

82.3

6.6

74.9

6.6

0.010

57.4

4.7

56.0

4.7

0.597

76.7

7.2

56.5

4.6

Total Weight Loss (kg)

13.4

6.1

13.1

5.2

0.916

8.1

1.6

9.7

3.3

0.336

13.2

5.4

9.1

2.8

Weight Loss Per Week (kg)

0.5

0.2

0.6

0.2

0.936

0.3

0.1

0.4

0.1

0.367

0.5

0.2

0.3

0.1

% Weight Loss

13.8

5.5

14.7

5.4

0.681

12.3

1.7

14.6

4.2

0.272

14.5

5.3

13.8

3.6

% weight loss per week

0.5

0.1

0.7

0.2

0.008

0.5

0.1

0.6

0.2

0.336

0.7

0.2

0.6

0.2

Start BMI (kg/m2)

30.4

1.5

28.4

2.5

0.038

24.2

1.4

25.0

2.1

0.446

28.9

2.5

24.7

1.9

End BMI (kg/m2)

26.2

1.01

24.0

1.7

>  0.001

21.2

1.2

21.3

1.2

0.915

24.5

1.8

21.3

1.2

  1. p value, difference in means between Pros and Amateur competitors, Male competitors Pros n - 8, Amateur n - 25, Male Mean n - 33, Female competitors PRO n – 5, AMA n – 9, Female Mean n - 14. Data analysed using a student t test where p < 0.05 equals statistical significance
  2. Abbreviations: PRO professional, AMA amateur, SD standard deviation, BMI body mass index