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Table 3 The impacts of nocturia and poor sleep quality on health-related quality of life

From: The mediating role of sleep quality in the association between nocturia and health-related quality of life

 

Nocturia

Sleep disturbance

 

(Nocturia < 2)

(Nocturia ≥2)

Cohen’s d Effect size

No

(PSQI global score ≤ 5)

Yes

(PSQI global score > 5)

Cohen’s d Effect size

 

Mean (SD)

Mean (SD)

 

Mean (SD)

Mean (SD)

 

SF-12 v2 *

Physical Functioning

87.39 (20.80)

79.22 (27.09) **

0.34

90.31 (19.65)

81.27 (24.67) **

0.41

Role Physical

79.80 (21.70)

74.76 (25.46) *

0.21

84.85 (19.62)

73.88 (24.07) **

0.50

Bodily Pain

66.98 (27.20)

63.62 (29.28)

0.12

74.24 (26.11)

60.51 (27.70) **

0.51

General Health

54.25 (26.43)

38.68 (25.38) **

0.60

57.36 (25.84)

44.02 (26.58) **

0.51

Vitality

59.04 (23.69)

51.76 (24.61) **

0.30

66.41 (22.43)

50.42 (23.23) **

0.70

Social Functioning

81.29 (22.43)

75.96 (26.77) *

0.22

88.38 (17.20)

73.83 (26.00) **

0.66

Role Emotional

79.54 (20.91)

75.00 (25.36)

0.20

87.56 (17.11)

71.92 (23.40) **

0.76

Mental Health

69.95 (17.79)

66.27 (22.02)

0.18

76.26 (16.42)

63.91 (19.44) **

0.69

Physical Component Summary

48.81 (8.19)

45.48 (9.24) **

0.38

49.83 (7.20)

46.38 (9.27) **

0.42

Mental Component Summary

50.81 (9.48)

48.99 (11.15)

0.18

54.63 (8.02)

47.29 (10.21) **

0.80

  1. ^: independent t-test, p-value < 0.05
  2. ^^: independent t-test, p-value < 0.01
  3. *: higher scores indicating better health-related quality of life
  4. Abbreviation: PSQI Pittsburgh Sleep Quality Index, SF-12 v2 the 12-Item Short Form Health Survey version 2, SD standard deviation