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Table 2 Rates of IID in the community by age group, sex, socioeconomic and geographic factors, and number of previous IID episodes, IID2 Study, UK 2008-9

From: The second study of infectious intestinal disease (IID2): increased rates of recurrent diarrhoea in individuals aged 65 years and above

Stratum Cases PY Rate (95% CI)
All 1,320 4,658.6 283.4 (268.5 - 299.1)
Age group     
  <1 year 33 26.9 1,228.3 (873.2 - 1,727.7)
  1 to 4 years 138 190.8 723.4 (612.2 - 854.7)
  5 to 14 years 129 424.1 304.2 (256.0 - 361.5)
  15 to 64 years 728 2,647.8 274.9 (255.7 - 295.7)
  65+ years 292 1,369.1 213.3 (190.2 - 239.2)
Sex     
  Male 459 1,840.6 249.4 (227.6 - 273.3)
  Female 861 2,818.0 305.5 (285.8 - 326.6)
Number of previous episodes     
  0 1,086 4,300.0 254.7 (240.0 - 270.3)
  1 186 349.6 532.1 (460.9 - 614.3)
  2 40 40.8 980.2 (719.0 - 1,336.3)
  3 7 4.1 1,710.2 (815.3 - 3,587.3)
  4 1 0.1 7,305.0 (1,029.0 - 51,858.7)
Deprivation quintile     
  1 (most deprived) 76 328.9 231.1 (184.5 - 289.3)
  2 134 509.5 263.0 (222.1 - 311.6)
  3 377 1,232.6 305.9 (276.5 - 338.3)
  4 411 1,485.5 276.7 (251.2 - 304.8)
  5 (least deprived) 322 1,100.4 292.6 (262.3 - 326.4)
NS-SEC1     
  Managerial and professional occupations 749 2,418.3 309.7 (288.3 - 332.7)
  Intermediate occupations 58 202.8 286.0 (221.1 - 370.0)
  Small employers and own account workers 148 473.6 312.5 (266.0 - 367.1)
  Lower supervisory and technical occupations 83 459.2 180.8 (145.8 - 224.2)
  Semi-routine and routine occupations 78 320.6 243.3 (194.9 - 303.7)
  Not classifiable 204 784.2 260.1 (226.8 - 298.4)
Urban–rural classification     
  Urban 765 2,778.1 275.4 (256.5 - 295.6)
  Town 158 580.2 272.3 (233.0 - 318.3)
  Rural 397 1,298.6 305.7 (277.1 - 337.3)
  1. 1 National-Statistics Socioeconomic Classification.