Table 6

Association between sleep disturbances and health-related quality of life at 6 months (n = 911)

Difficulties in falling asleep

Poor quality of sleep

Sleep deficit

Predictor

OR

95% CI for OR

P value

OR

95% CI for OR

P value

OR

95% CI for OR

P value

Physical functioning

1.0

0.93 to 1.06

0.887

1.08

0.99 to 1.16

0.076

1.04

0.96 to 1.13

0.322

Role limitations due to physical problems

1.01

0.96 to 1.06

0.700

1.04

0.98 to 1.10

0.188

1.08

1.02 to 1.14

0.011

Bodily pain

0.90

0.85 to 0.96

0.001

0.89

0.83 to 0.96

0.002

0.88

0.81 to 0.95

0.001

General health

0.84

0.77 to 0.92

<0.001

0.90

0.80 to 1.02

0.089

0.93

0.83 to 1.04

0.212

Vitality

0.95

0.86 to 1.05

0.318

0.81

0.72 to 0.91

<0.001

0.99

0.88 to 1.12

0.873

Social functioning

1.02

0.95 to 1.10

0.598

1.00

0.91 to 1.10

0.993

1.02

0.92 to 1.12

0.759

Role limitations due to emotional problems

0.98

0.94 to 1.02

0.364

0.95

0.90 to 1.00

0.056

0.99

0.93 to 1.05

0.660

Mental health

0.80

0.74 to 0.87

<0.001

0.80

0.72 to 0.89

<0.001

0.89

0.81 to 0.98

<0.001

Association determined using multiple logistic regression analysis, final model. Adjusted for age and gender. Odds ratio (OR) with a 10-unit change. Intensive care unit patients only. CI, confidence interval.

Orwelius et al. Critical Care 2008 12:R97   doi:10.1186/cc6973