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Table 4 Proportion of individuals who were adequately screeneda, according to socioeconomic status quintileb and gender

From: Reducing the socioeconomic gradient in uptake of the NHS bowel cancer screening Programme using a simplified supplementary information leaflet: a cluster-randomised trial

  Males* Females*
  SI + Gist
N = 41,226
SI
N = 38,433
SI + Gist
N = 43,195
SI
N = 40,671
  % (n) % (n) % (n) % (n)
Adequately screened: 56.0 (23068) 55.4 (21273) 59.2 (25585) 59.1 (24017)
1st quintile (least deprived) 64.1 (5917) 64.3 (5762) 67.4 (6630) 66.9 (6416)
2nd quintile 60.6 (5863) 59.9 (5287) 63.7 (6442) 64.7 (6125)
3rd quintile 56.5 (5050) 56.5 (4385) 60.5 (5682) 60.1 (4950)
4th quintile 50.3 (3602) 49.8 (3274) 53.5 (4061) 53.8 (3713)
5th quintile (most deprived) 42.1 (2602) 40.6 (2535) 43.9 (2720) 43.4 (2781)
  1. aReturned a gFOBt kit within 18 weeks of the invitation that led to a ‘definitive’ test result of either ‘normal’ (i.e. no further investigation required) or ‘abnormal’ (i.e. requiring referral for further testing, usually colonoscopy) by the date of data extraction (18 weeks after the last day of the intervention)
  2. b 271 (138 SI + Gist and 133 SI) individuals missing socioeconomic status, 146 of these were adequately screened (84 SI + Gist and 62 SI)
  3. *Comparison between trials groups within each gender: Males (OR = 1.02, 95% CI: 0.92–1.14, p = 0.65); Females (OR = 1.01, 95% CI: 0.91–1.12, p = 0.89)
  4. *Comparison between trials groups within each gender adjusting for age, hub and screening round: Males (OR = 1.05, 95% CI: 1.01–1.10, p = 0.03); Females (OR = 1.00, 95% CI: 0.96–1.05, p = 0.91)
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