Table 1 General demographics

Total

69

19

50

Female gender

44 (63.76%)

13 (68.42%)

31 (62.00%)

p = 0.781,

X² = 0.246

Age, years

18.00 (2.00)

18.00 (2.00)

18.00 (0.00)

p = 0.480,

r = −0.085,

Z = −0. 707

Height, cm

164.50 (0.12)

164.5 (12.00)

166.50 (13.00)

p = 0.961,

r = −0.049,

Z = −0.049

Body weight, kg

59.5 (10.50)

59.5 (10.50)

61.00 (13.75)

p = 0.829,

r = −0.216,

Z = −0.216

BMI

21.77 (5.30)

21.77 (3.06)

21.70 (2.85)

p = 0.565,

r = −0.070,

Z = −0.578

Sleep duration, hr

7.00 (0.63)

7.00 (0.63)

7.00 (1.44)

p = 0.309,

r = −0.124,

Z = −1.028

Course hours/wk

17.75 (5.80)

17.75 (5.80)

18.00 (4.00)

p = 0.941,

r = −0.010,

Z = −0.080

Physical activity

1.25 (2.80)

1.25 (2.8)

4.00 (4.00)

p = 0.001^*,

r = −0.391,

Z = −3.249

Alcohol glasses/wk

0.25 (1.30)

0.25 (1.3)

0.00 (0.90)

p = 0.321,

r = −0.123,

Z = −1.002

Nutrition

6.00 (1.30)

6.00 (1.30)

7.00 (2.00)

p = 0.022^*,

r = −0.274,

Z = −2.281

Instrument Playing hours (musicians only)

NA

24.50 (IQR 17.6)

N/A

N/A