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Table 1 Summary statistics of participants and non-participantsa

From: Characteristics of young people with long term conditions close to transfer to adult health services

  Condition Participants Non-participantsb  
Age   Mean SD n Mean SD n p value1
  ASD 16.1 1.3 118 16.0 1.3 99 0.68
  CP 16.5 1.9 106 16.5 1.4 293 0.80
  Diabetes 16.2 1.3 150 15.9 1.2 67 0.14
  Total 16.2 1.3 374 16.3 1.3 459 0.40
   Male Female Total Male Female Total  
Gender   n (%) n (%) n (%) n (%) n (%) n (%) p value2
  ASD 82 (69) 36 (31) 118 (32) 81 (76) 25 (24) 106 (23) 0.24
  CP 60 (57) 46 (43) 106 (28) 181 (62) 112 (38) 293 (62) 0.35
  Diabetes 77 (51) 73 (49) 150 (40) 31 (45) 38 (55) 69 (15) 0.38
  Total 219 (59) 155 (41) 374 (100) 293 (63) 175 (37) 468 (100) 0.23
SES Median IQR n Median IQR n p value3
IMD ASD 19.9 9.7-31.1 118 22.6 15.9-37.8 96 0.01
  CP (NECCPS) 17.5 13.2-30.4 60 27.4 12.7-39.9 164 0.05
  Diabetes 12.1 7.3-20.8 150 14.3 10.3-23.2 67 0.11
Total 15.5 8.6-28.0 328 21.6 12.2-36.8 327 <0.001
MDM CP (NICPR) 15.3 10.7-26.8 46 17.7 8.4-34.8 128 0.58
  1. aYoung people approached who declined to take part or did not respond
  2. bData missing from one diabetes site
  3. 1t-test of a significant difference in means between participants and non-participants
  4. 2Chi-squared test of a difference in the gender distribution between participants and non-participants
  5. 3Mann-Whitney rank sum test of a difference in deprivation measure between participants and non-participants
  6. SD Standard Deviation
  7. IQR Interquartile Range
  8. SES Socio-economic status as captured for England by index of multiple deprivation (IMD) [27] and for Northern Ireland by multiple deprivation measure (MDM) [28]
  9. ASD Autism Spectrum Disorder
  10. CP Cerebral Palsy
  11. NECCPS North of England Collaborative Cerebral Palsy Survey
  12. NICPR Northern Ireland Cerebral Palsy Register