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Table 7 Morgan-Russell subscale E5 (employment record); dose–response analysis

From: Effects of autism spectrum disorders on outcome in teenage-onset anorexia nervosa evaluated by the Morgan-Russell outcome assessment schedule: a controlled community-based study

Dose AN study 2 AN study 3 AN study 4 Analysis for time trend doubly ordered r × c contingency tables Linear-by-linear association test Exact Monte Carlo
  Response category Response category Response category Test statistic P (99% CI)
  0 4 8 12 0 4 8 12 0 4 8 12   
Never ASD 3 3 4 24 4 1 2 27 7 2 6 19 −1.339 0.2 (0.19 to 0.21)
ASD × 1-3 3 1 0 6 0 1 4 5 5 1 0 4 −1.027 0.34 (0.33 to 0.36)
ASD × 4 3 0 0 3 4 1 0 1 4 0 1 1 −0.84 0.48 (0.46 to 0.49)
Dose–response analysis doubly ordered r × c tables Linear-by-linear association test Linear-by-linear association test Linear-by-linear association test Stratified r × c contingency tables Cochran-Mantel-Haenszel test  
Test statistic −2 −3.22 −2.437 −4.385  
Exact Monte Carlo P 0.048 0.002 0.013 0  
99% CI 0.043 to 0.054 0.0008 to 0.003 0.01 to 0.016 0 to 0.0005  
  1. AN anorexia nervosa, AN study 2 second anorexia nervosa examination, AN study 3 third anorexia nervosa examination, AN study 4 fourth anorexia nervosa examination, ASD autism spectrum disorders, never ASD individuals who had never been assigned an ASD diagnosis, ASD × 1–3 those who had been assigned an ASD diagnosis in at least one study, but not at all four studies, ASD × 4 those with an ASD diagnosis at all four examinations, CI confidence interval, r × c rows and columns.