Table 5

Adjusted ORs for admission controlling for various factors in two binary logistic regression models

Model 1Model 2
AOR95% CI for AORp ValueAOR95% CI for AORp Value
LowerUpperLowerUpper
SiteSite 11.00*1.00*
Site 21.891.742.05<0.0011.751.601.92<0.001
Site 31.621.481.77<0.0011.671.501.85<0.001
Arrival timeWeekend1.00*1.00*
Weekday1.010.931.090.8531.020.941.100.687
Arrival at night1.00*1.00*
Arrival during the day0.980.911.050.5571.020.931.120.732
Arrival modeDid not arrive by LAS1.00*1.00*
Arrival by LAS2.892.693.10<0.0012.632.442.83<0.001
GenderMale1.00*1.00*
Female1.161.081.24<0.0011.171.091.25<0.001
Age band (years)16–341.00*1.00*
35–641.641.521.77<0.0011.581.461.71<0.001
65–843.743.384.13<0.0013.523.173.90<0.001
85+5.904.967.02<0.0015.534.636.61<0.001
EthnicityWhite British1.00*1.00*
Asian or Asian British1.010.931.100.7960.990.911.080.841
Black or Black British1.291.161.44<0.0011.291.151.44<0.001
Mixed1.090.811.470.5511.080.801.470.607
Other1.050.941.180.3801.040.931.170.486
Unknown0.990.801.220.8920.970.781.200.770
IMD scoreQuintile 11.00*1.00*
Quintile 21.090.981.210.1231.090.981.220.108
Quintile 31.181.061.320.0021.171.051.310.004
Quintile 41.131.011.260.0341.131.011.260.039
Quintile 51.241.111.38<0.0011.241.111.39<0.01
Presence of ACSCNo ACSC1.00*1.00*
Has ACSC1.271.141.41<0.0011.211.081.350.001
Consultant on dutyNo consultant on duty1.00*
Consultant on duty1.241.091.420.001
Admission in 10 min prior to 4 hoursAdmitted before 3:501.00*
Admitted after 3:503.613.303.95<0.001
Additional workload measuresED bed occupancy rate0.800.740.87<0.001
LWBT intensity1.831.103.040.020
  • *Reference category.

  • ACSC, ambulatory care sensitive condition; AOR, adjusted OR; ED, emergency department; IMD, Index of Multiple Deprivation; LAS, London Ambulance Service; LWBT, left without being treated.