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Table 2 PSQI results between groups (mean ± SD)

From: The effect of exercise training on the quality of sleep in national-level adolescent finswimmers

  Gender Swimming style Swimming distance
M
n = 41
F
n = 50
P value BF
n = 38
MF
n = 53
P value ≤ 200 m
n = 52
> 200 m
n = 39
P value
1 When have you usually gone to bed? 10.3 ± 0.9 9.4 ± 1.0 NS 10.5 ± 1.1 10.1 ± 1.5 NS 10.2 ± 1.4 11.0 ± 2.0 NS
2 How long has it taken you to fall asleep each night? 20.2 ± 14.0 20.2 ± 18.7 NS 19.2 ± 11.5 20.9 ± 19.6 NS 22.3 ± 19.8 17.8 ± 12.2 NS
3 What time have you usually gotten up in the morning? 9.2 ± 1.4 9.6 ± 1.8 NS 9.0 ± 1.6 9.7 ± 1.6 NS 9.1 ± 1.6 9.5 ± 1.7 NS
4 How many hours of actual sleep did you get at night? 8.3 ± 1.4 8.0 ± 1.8 NS 7.8 ± 1.8 8.4 ± 1.5 0.022 7.9 ± 1.7 8.2 ± 1.5 0.022
5 Cannot get to sleep within 30 min 1.0 ± 1.2 1.1 ± 1.1 NS 1.2 ± 1.2 1.0 ± 1.1 NS 1.1 ± 1.2 1.0 ± 1.0 NS
6 Wake up in the middle of the night or early morning 1.1 ± 1.0 1.3 ± 1.1 0.035 1.3 ± 1.1 1.2 ± 1.0 NS 1.4 ± 1.0 1.0 ± 1.2 NS
7 Have to get up to use the bathroom 0.9 ± 1.1 0.8 ± 1.1 NS 0.6 ± 0.9 1.1 ± 1.1 NS 1.0 ± 1.1 0.6 ± 0.9 NS
8 Cannot breathe comfortably 0.3 ± 0.6 0.4 ± 0.9 0.030 0.5 ± 0.9 0.3 ± 0.6 NS 0.5 ± 0.8 0.2 ± 0.6 NS
9 Cough or snore loudly 0.3 ± 0.7 0.2 ± 0.5 NS 0.2 ± 0.6 0.3 ± 0.6 NS 0.3 ± 0.5 0.2 ± 0.7 NS
10 Feel too cold 0.3 ± 0.6 0.7 ± 0.8 NS 0.5 ± 0.8 0.5 ± 0.7 NS 0.5 ± 0.8 0.5 ± 0.7 NS
11 Feel too hot 1.7 ± 1.0 1.5 ± 1.1 NS 1.5 ± 1.2 1.7 ± 1.0 NS 1.8 ± 1.0 1.3 ± 1.1 NS
12 Have bad dreams 0.6 ± 0.8 0.9 ± 0.8 NS 0.8 ± 0.8 0.8 ± 0.9 NS 0.7 ± 0.8 0.8 ± 0.8 NS
13 Have pain 0.5 ± 0.8 0.9 ± 1.0 NS 0.7 ± 1.0 0.7 ± 1.0 NS 0.5 ± 0.8 1.0 ± 1.1 0.010
14 During the past month, how often have you taken medicine to help you sleep? 0.2 ± 0.6 0.3 ± 0.8 NS 0.2 ± 0.6 0.2 ± 0.7 NS 0.1 ± 0.5 0.2 ± 0.7 NS
15 During the past month, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity? 0.4 ± 0.7 0.7 ± 0.9 NS 0.5 ± 0.8 0.6 ± 0.9 NS 0.6 ± 0.8 0.4 ± 0.7 NS
16 During the past month, how much of a problem has it been for you to keep up enthusiasm to get things done? 0.9 ± 1.0 1.1 ± 0.8 NS 1.0 ± 0.8 1.0 ± 0.9 NS 1.0 ± 0.9 1.1 ± 0.9 NS
17 During the past month, how would you rate your sleep quality overall? 0.9 ± 0.9 1.2 ± 0.7 NS 1.1 ± 0.7 1.0 ± 0.8 NS 1.0 ± 0.7 1.2 ± 0.8 NS
  1. Questions 5–13 [scale: not during the past month (0), less than once a week (1), once or twice a week (2), three or more times a week (3)]; questions 14–17 [scale: very good (0), fairly good (1), fairly bad (2), very bad (3)]
  2. Abbreviations: BF bifins, F female, M male, MF monofin