Table 1: Comparison of respondents and drop-outs using baseline characteristics

From: The natural course of spinal cord injury: changes over 40 years among those with exceptional survival

CharacteristicBaseline
 Study cohort n=49Lost to attrition n=207P-value
 Percentages and Mean (s.d.) 
 Male85.781.20.455
   
Marital status  0.013
  Single67.447.3 
  Married30.638.7 
  Separated/divorced/widowed2.014.0 
   
 Age26.61 (5.0)37.16 (14.5)<0.0001
 Age at injury onset19.16 (3.3)26.82 (13.8)<0.0001
 Years after injury7.45 (4.1)10.34 (7.3)0.0003
   
SCI level  0.851
  Cervical55.156.6 
  Non-cervical44.943.4 
   
 Currently employed49.039.30.217
 Hours worked per week30.06 (11.7)33.56 (14.5)0.346
   
 Number of outings  0.002
  Rarely to 1–3 per month18.437.3 
  1–2 per week20.428.4 
  3+ per week61.234.3 
   
 Visits from others  0.805
  Rarely to 1–3 per month29.225.4 
  1–2 per week27.131.2 
  3+ per week43.843.4 
   
 Sitting tolerance, hours  0.075
  0–717.026.1 
  8–1221.330.5 
  >1261.743.4 
   
 Non-routine physician visits  0.209
  None31.228.6 
  1–3 times52.139.8 
  4–9 times10.421.4 
  10 times6.310.2 
   
 Days in hospital  0.396
  None58.145.4 
  1–6 days11.69.8 
  1 weeks30.244.8 
   
Satisfaction with
  Living arrangements4.33 (4.0)4.14 (4.0)0.265
  Employment3.07 (1.4)3.08 (1.5)0.970
  Financial means3.39 (1.3)3.04 (1.5)0.139
  Social life3.94 (1.1)3.87 (1.2)0.705
  Sex life3.25 (1.4)3.02 (1.4)0.330
  General health3.96 (1.2)3.57 (1.3)0.060
   
 Present adjustment8.13 (2.1)7.21 (2.4)0.017
 5-year adjustment8.96 (1.7)7.88 (2.6)0.001
  1. Abbreviation: SCI, spinal cord injury. Values are presented as percentages or mean (s.d.).