Skip to main content

Table 3 Univariable logistic regression showing the influence of year of training, program type, moonlighting, causes of fatigue, causes of difficulty initiating sleep, and demographics on the odds of using sleep aids either inclusive or exclusive of alcohol.

From: The use of sleep aids among Emergency Medicine residents: a web based survey

   Odds Ratio 95% confidence interval
Inclusive of alcohol
Year of residency 2nd year v 1st year 0.95 (0.64 – 1.43)
  3rd year v 1st year 0.99 (0.66 – 1.50)
  4th year v 1st year 1.48 (0.77 – 2.85)
Type of program PGY1–4 v PGY1–3 1.72 (1.07 – 2.74)
  PGY2–4 v PGY1–3 1.23 (0.77 – 1.97)
Moonlighting Yes v no 0.88 (0.57 – 1.38)
Causes of fatigue Work hours/demands of work 1.93 (1.22 – 3.05)
  Work-related emotional stress 2.10 (1.51 – 2.92)
  Family commitments 1.48 (1.07 – 2.05)
  Changing circadian rhythms 2.14 (1.32 – 3.47)
Causes of difficulty initiating sleep Work hours/demands of work 2.29 (1.64 – 3.21)
  Work-related emotional stress 2.14 (1.54 – 2.98)
  Family commitments 1.72 (1.19 – 2.49)
  Changing circadian rhythms 2.61 (1.83 – 3.73)
Sleepiness ESS 11–16 v ESS 0–10 0.77 (0.55 – 1.08)
  ESS > 16 v ESS 0–10 0.91 (0.48 – 1.72)
Demographics Age 0.97 (0.93 – 1.01)
  Female v Male 1.13 (0.81 – 1.57)
  White v Black 1.25 (0.50 – 3.11)
  Asian v Black 1.16 (0.52 – 2.59)
  Other v Black 1.07 (0.35 – 3.25)
  Non-Hispanic v Hispanic 1.56 (0.65 – 3.76)
Exclusive of alcohol    
Year of residency 2nd year v 1st year 1.03 (0.68 – 1.55)
  3rd year v 1st year 1.16 (0.76 – 1.77)
  4th year v 1st year 1.50 (0.78 – 2.89)
Type of program PGY1–4 v PGY1–3 1.79 (1.12 – 2.86)
  PGY2–4 v PGY1–3 1.35 (0.84 – 2.16)
Moonlighting Yes v no 0.87 (0.55 – 1.37)
Causes of fatigue Work hours/demands of work 1.79 (1.11 – 2.89)
  Work-related emotional stress 1.88 (1.34 – 2.64)
  Family commitments 1.50 (1.08 – 2.10)
  Changing circadian rhythms 1.82 (1.10 – 3.00)
Causes of difficulty initiating sleep Work hours/demands of work 2.10 (1.50 – 2.95)
  Work-related emotional stress 1.88 (1.34 – 2.62)
  Family commitments 1.72 (1.19 – 2.49)
  Changing circadian rhythms 2.43 (1.68 – 3.53)
Sleepiness ESS 11–16 ESS 0–10 0.80 (0.56 – 1.13)
  ESS > 16 ESS 0–10 0.94 (0.49 – 1.80)
Demographics Age 0.97 (0.93 – 1.02)
  Female v Male 1.38 (0.98 – 1.93)
  White v Black 2.70 (0.96 – 7.58)
  Asian v Black 2.09 (0.82 – 5.31)
  Other v Black 2.22 (0.66 – 7.48)
  Non-Hispanic v Hispanic 1.42 (0.57 – 3.51)