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Table 3 Frequency of factors according to age and duration of hospital stay

From: Associations between stressors and difficulty sleeping in critically ill patients admitted to the intensive care unit: a cohort study

Age
Biological factors ≤55 years (n = 36) > 55 years (n = 35) p value Odds ratio (95% CI)
Anxiety symptoms 14 (38.8%) 6 (17.1%) 0.064 0.32 (0.10–0.98)
Pain 11 (30.5%) 5 (14.2%) 0.155 0.37 (0.11–1.23)
Environmental factors
Noise 16 (44.4%) 7 (20%) 0.042 0.31 (0.10–0.90)
Lights 11 (30.5%) 3 (8.5%) 0.035 0.21 (0.05–0.84)
ICU stay length
Biological factors ≤5 days of (n = 38) > 5 days (n = 33) p value Odds ratio (95% CI)
Anxiety symptoms 4 (10.5%) 16 (48.4%) 0.001 8.00 (2.31–27.66)
Pain 7 (18.4%) 9 (27.2%) 0.407 1.66 (0.54–5.10)
Environmental factors
Noise 8 (21%) 15 (45.4%) 0.042 3.12 (1.10–8.82)
Lights 5 (13.1%) 9 (27.2%) 0.231 2.47 (0.73–8.32)
  1. Notes: p values were obtained using the chi-squared test