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Table 2 Associations of perceived stress score (per 1-point increment) with loneliness and depressive symptoms and the mediation proportion of perceived stress in loneliness and depressive symptoms attributed to sleep quality (N = 734)

From: Associations of perceived stress with loneliness and depressive symptoms: the mediating role of sleep quality

Outcomes

β/OR (95% CI)

Mediation proportion, % (95% CI) d

P value

Model 1 a

Model 2 b

Model 3 c

Loneliness score

0.07 (0.06, 0.08)

0.07 (0.05, 0.08)

0.06 (0.05, 0.08)

5.3 (1.3, 10.0)

0.014

Depression score

0.45 (0.40, 0.49)

0.42 (0.38, 0.46)

0.38 (0.34, 0.42)

9.7 (6.2, 14.0)

< 0.001

Loneliness e

1.17 (1.11, 1.22)

1.17 (1.11, 1.23)

1.16 (1.10, 1.22)

4.3 (-1.9, 13.0)

0.170

Depressive symptoms f

1.34 (1.26, 1.42)

1.36 (1.27, 1.45)

1.35 (1.26, 1.44)

5.8 (2.2, 11.0)

< 0.001

  1. OR, odds ratio; CI, confidence interval
  2. a Model 1 was adjusted for age, and sex
  3. b Model 2 was further adjusted for marital status, educational level, occupational status, family income per month, body mass index, physical activity, drinking status, smoking status, psychological disease history, and self-rated health status based on model 1
  4. c Model 3 was further adjusted for the Pittsburgh Sleep Quality Index score based on model 2
  5. d The model was adjusted for age, sex, marital status, educational level, occupational status, family income per month, body mass index, physical activity, drinking status, smoking status, psychological disease history, and self-rated health status
  6. e Participants were considered as experiencing loneliness if they had a loneliness score ≥ 6
  7. f Participants were considered as having depressive symptoms if they had a depression score ≥ 10
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BMC Psychiatry

ISSN: 1471-244X

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