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Table 2 Association between sleep duration and mental health in Korean adults aged ≥19 years participating in KNHANES V

From: The association between mental health, chronic disease and sleep duration in Koreans: a cross-sectional study

  

Sleep durations

Comparison between ≤6 h and 7–8 h (Ref) of sleep

Comparison between ≥9 h and 7–8 h (Ref) of sleep

 

Factorsa

OR (95 % CI)

OR (95 % CI)

  

≤6

7 ~ 8

≥9

p-value

Crude

Sociodemographic factors adjustedb

Fully adjusted (including chronic disease)

Crude

Sociodemographic factors adjustedb

Fully adjusted (including chronic disease)

Men

 

n = 3110

n = 3861

n = 511

       
 

Stress perception

          
 

 High

833 (48.2)

797 (46.1)

100 (5.8)

<.0001

1.37 (1.14–1.65)

1.40 (1.14–1.72)

1.43 (1.15–1.78)

0.95 (0.67–1.33)

1.21 (0.82–1.78)

1.09 (0.73–1.64)

 

 Low

1768 (39.9)

2376 (53.6)

286 (6.5)

 

0.96 (0.81–1.13)

0.99 (0.82–1.20)

1.00 (0.82–1.22)

0.82 (0.62–1.09)

0.99 (0.73–1.35)

0.96 (0.70–1.31)

 

 Almost none

509 (38.5)

688 (52.0)

125 (9.5)

       
 

Depressive symptom morbidity

          
 

 No

2806 (41.2)

3556 (52.2)

445 (6.5)

0.0011

      
 

 Yes

304 (45.0)

305 (45.2)

66 (9.8)

 

1.20 (0.97–1.50)

1.18 (0.93–1.49)

1.26 (0.98–1.61)

1.96 (1.36–2.82)

1.38 (0.91–2.10)

1.37 (0.88–2.15)

 

Thoughts of suicide

          
 

 No

2754 (41.0)

3527 (52.5)

443 (6.6)

0.0006

      
 

 Yes

356 (47.0)

334 (44.1)

68 (9.0)

 

1.38 (1.13–1.69)

1.34 (1.07–1.67)

1.39 (1.09–1.76)

1.76 (1.23–2.51)

1.32 (0.90–1.93)

1.42 (0.94–2.15)

 

Psychiatric counseling

          
 

 No

3059 (41.5)

3818 (51.8)

499 (6.8)

<.0001

      
 

 Yes

51 (48.1)

43 (40.6)

12 (11.3)

 

1.59 (0.95–2.68)

1.75 (1.00–3.07)

2.21 (1.18–4.14)

4.68 (2.17–10.12)

3.44 (1.39–8.52)

4.27 (1.57–11.58)

Women

n = 4274

n = 5075

n = 807

        
 

Stress perception

          
 

 High

1404 (48.0)

1294 (44.2)

229 (7.8)

<.0001

1.29 (1.10–1.52)

1.78 (1.46–2.16)

1.71 (1.40–2.09)

0.83 (0.62–1.11)

0.67 (0.49–0.93)

0.74 (0.52–1.04)

 

 Low

2239 (39.1)

3066 (53.5)

423 (7.4)

 

0.90 (0.77–1.04)

1.25 (1.05–1.49)

1.23 (1.03–1.47)

0.67 (0.52–0.87)

0.68 (0.51–0.90)

0.71 (0.53–0.96)

 

 Almost none

630 (42.1)

711 (47.6)

154 (10.3)

       
 

Depressive symptom morbidity

          
 

 No

3476 (41.1)

4343 (51.3)

648 (7.7)

<.0001

      
 

 Yes

797 (47.3)

731 (43.4)

158 (9.4)

 

1.41 (1.23–1.60)

1.21 (1.05–1.40)

1.71 (1.40–2.09)

1.55 (1.22–1.96)

1.19 (0.92–1.55)

0.74 (0.52–1.04)

 

Thoughts of suicide

          
 

 No

3405 (40.9)

4281 (51.4)

647 (7.8)

<.0001

      
 

 Yes

869 (47.8)

790 (43.5)

159 (8.8)

 

1.39 (1.22–1.58)

1.12 (0.97–1.30)

1.13 (0.98–1.30)

1.37 (1.07–1.76)

1.00 (0.76–1.32)

1.00 (0.76–1.31)

 

Psychiatric counseling

          
 

 No

4135 (42.0)

4947 (50.2)

775 (7.9)

0.1502

      
 

 Yes

139 (46.8)

126 (42.4)

32 (10.8)

 

1.12 (0.83–1.51)

1.10 (0.81–1.51)

1.13 (0.83–1.55)

1.56 (0.99–2.46)

1.14 (0.68–1.90)

1.14 (0.69–1.87)

  1. Multinomial logistic regression analysis
  2. aCalculated using Rao-scott chi-square test
  3. bAdjusted for age, sex, household income, education, marital status, employment, BMI, smoking, alcohol consumption, level of daily activity, subjective health, bed rest for the past month and absence from work for the past month
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