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Table 1 Resident and care home characteristics

From: Antibiotic prescribing in UK care homes 2016–2017: retrospective cohort study of linked data

VariableNumberPercentage
Resident-level (n = 13,487)
 Gender
  Male851863.2
  Female496936.8
 Age
  65–74187113.9
  75–84504937.4
  85–94569142.2
  95+8766.5
Type of care
  Residential435432.3
  Nursing910967.5
Dementia
  No824661.1
  Yes521738.7
Respite care
  No11,45985.0
  Yes202815.0
Length of stay during study period (days) Median (IQR)21051–509
Overall length of stay (days) Median (IQR)33367–913
 Entered care home during study period
  No558741.4
  Yes790058.6
Status at end of study period
  In home377228.0
  Permanently Discharged268819.9
  Died702752.1
Number of reported infection episodes during study
  0899366.7
  1221716.4
  More than 1227716.9
Number of BNF chapters with repeated prescriptions (excluding antibiotics)
  0–1390729.0
  2–4427531.7
   5–7469334.8
   8 or more6124.5
Care home-level (n = 135)
 Country
  England9368.9
   Northern Ireland2014.8
   Scotland1914.1
   Wales32.2
 Number of beds
   < 403425.2
  40–493727.4
  50–593425.2
  60+3022.2
 Median overall length of stay
   < 1 year3425.2
  1–2 years8563.0
   > 2 years1612.9
 Clinical staff per 100 residents
   < 103525.9
   10–196548.2
  20+3525.9
 Care staff per 100 residents
   < 603324.4
   60–797555.6
   80+2720.0
 Percentage residents with dementia
   < 103525.9
   10–808059.3
   80–1002014.8
 Percentage residents with nursing care
   < 102014.8
   10–805843.0
   80–1005742.2
 Number of infection incidents per bed per year
  Less than 17051.9
   1 to 23928.9
   2 or more2619.3