logistic regression, linear trend test for OR

cf linear trend test for crosstabulated data - cochran armittage, mantel haenzel, linear-by-linear association

in LOGISTIC REGRESSION

cf to test linear trend (of OR) across quartiles we entered 4-level ordinal term representing medians of 4 quartiles of original continuous

cf Ridker Comparison of CRP and LDL - NEJM

Nieto

Shahar - 2000

find:
*** *** ***
books with worked example how to compute trends in OR logistic regression models

"logistic regression linear trend test Odds ratio how to" Jewell
Nicholas Jewell Statistics for epidemiology. p222
google books

***
statnotes
http://faculty.chass.ncsu.edu/garson/PA765/logistic.htm#contrasts
***
- Maxwell & Delaney "Designing Experiments and Analyzing Data" Lawrence Erlbaum Associates
cf old nabble- SPSS discussion forum

If you want to know more on polynomial contrasts, check specialised books,
like: Maxwell & Delaney "Designing Experiments and Analyzing Data" Lawrence
Erlbaum Associates. If you Google a bit using this search key: "Polynomial
contrasts logistic regression", you will se that it is widely used in
experimental research to test for linear and non linear trends.

*** ***

- selvin , statistical analysis for epidemiologic data, p228 - cf stata-"trend test after logistic regression"

google books

FAQ: A comparison of different tests for trend

trend test in logistic regression ??? cf Nieto 2000 Sleep apnea health hypertension study

cf cochrane-armittage test for linear trend in genotypes (genetic association testing)

nice explanation - as how some statistical tests are something we now, but have new names. ...... at the same time a bit confusing.


FAQ: A comparison of different tests for trend: "Does Stata provide a test for trend?"