Table 3

Predictors of low acuity ED presentation using multivariable generalised estimating equations

Adjusted OR95%CI
Age category
 0–91.771.74 to 1.78
 10–191.771.74 to 1.80
 20–391.521.50 to 1.54
 40–59(ref)
 60–790.560.55 to 0.57
 80+0.190.18 to 0.19
Male0.960.95 to 0.97
Presenting problem
 Abdominal gastrointestinal(ref)
 Cardiovascular/respiratory0.420.41 to 0.43
 Injury/musculoskeletal2.962.91 to 3.00
 Neurological0.640.62 to 0.66
 Other medical1.881.84 to 1.92
 Mental health/toxicology0.380.37 to 0.40
 ENT/oral/eye5.535.38 to 5.68
 Administrative/non-urgent procedures9.288.93 to 9.65
 Genitourinary1.551.50 to 1.60
 Social2.021.86 to 2.20
 Obstetrics and gynaecology1.351.29 to 1.41
 Skin/allergy2.842.75 to 2.92
 Infection/fever1.341.30 to 1.38
Hours of presentation
 08:00–17:59(ref)
 18:00–23:590.880.87 to 0.89
 00:00–07:590.760.75 to 0.77
Day of presentation
 Weekend1.101.09 to 1.11
ED designation
 Level 1 or 2(ref)
 Level 3 or 40.680.66 to 0.69
 Level 5 or 60.440.43 to 0.45
SEIFA category
 850–900(ref)
 901–9501.041.00 to 1.07
 951–10001.111.08 to 1.14
 1001–11001.321.28 to 1.36
 >11001.171.13 to 1.21
  • All p<0.001.

  • ED, emergency department; ENT, ear, nose and throat; SEIFA, Socio-Economic Index for Areas.