From: Effects of autism on 30-year outcome of anorexia nervosa
Personal contacts | Analysis for time trend | |||||||||||||||||
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Doubly ordered R × C tables | ||||||||||||||||||
Linear-by-linear association test | ||||||||||||||||||
AN Study 2 | AN Study 3 | AN Study 4 | AN Study 5 | Test statistic | Exact P | |||||||||||||
Dose | Response category | Response category | Response category | Response category | ||||||||||||||
0 | 4 | 8 | 12 | 0 | 4 | 8 | 12 | 0 | 4 | 8 | 12 | 0 | 4 | 8 | 12 | |||
Never ASD | 2 | 5 | 5 | 22 | 2 | 9 | 6 | 17 | 0 | 6 | 4 | 24 | 0 | 13 | 2 | 15 | −0.6536 | 0.5 |
ASD × 1–3 | 2 | 3 | 2 | 3 | 1 | 5 | 1 | 3 | 0 | 5 | 2 | 3 | 2 | 7 | 1 | 0 | −1.117 | 0.3 |
ASD × 4 | 2 | 3 | 1 | 0 | 1 | 5 | 0 | 0 | 2 | 2 | 2 | 0 | 2 | 3 | 0 | 1 | +0.4708 | 0.7 |
Dose–Response analysis | Linear-by-linear association test | Stratified R x C contingency tables | ||||||||||||||||
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Doubly oredered R x C tables | Cochran–Mantel–Haenszel test | |||||||||||||||||
Test statistic | −3.462 | −2.881 | −3.851 | −3.095 | Test statistic—6.798 | |||||||||||||
Exact P | 0.0004 | 0.004 | 0.00009 | 0.0015 | exact p < 0.00001 |