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| From | Caliph Omar Moumin <sheikmoumin@yahoo.com> |
| To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
| Subject | st: generalized Wilcoxon-Mann-Whitney ranksum test Interpretation |
| Date | Sun, 2 Sep 2012 03:05:29 -0700 (PDT) |
I applied vanelteren test to compare two groups(non-alcohol "0"; and alcohol consumers"1"), Th output shows only agegroup, not whether alcohol consumer or not So how do i interpretatethis output and say something about whether alcohol user has higher median or not Kind Regards Caliph bysort tilstand4 gender: vanelteren LOS, by( alcoholcons) strata( agegroup2) ------------------------------------------------------------------------------------------------------------------------------------------------------------- -> tilstand4 = A46, gender = Male Generalized Wilcoxon-Mann-Whitney Ranksum Test (van Elteren's Test) Variance of Weighted Expected Weighted Stratum | n | Ranksum | Ranksum | Ranksum -------------+-------+-----------+----------+------------- 18-39 | 360 | 174.00 | 173.0 | 1.093 40-59 | 653 | 299.65 | 304.0 | 3.432 60-79 | 616 | 250.93 | 258.0 | 6.908 -------------+-------+-----------+----------+------------- Sums |1,629 | 724.58 | 735.0 | 11.433 Asymptotic test statistic z = -3.08 Prob(Z > |z|) = .0021 ------------------------------------------------------------------------------------------------------------------------------------------------------------- -> tilstand4 = A46, gender = Female Generalized Wilcoxon-Mann-Whitney Ranksum Test (van Elteren's Test) Variance of Weighted Expected Weighted Stratum | n | Ranksum | Ranksum | Ranksum -------------+-------+-----------+----------+------------- 18-39 | 123 | 58.35 | 59.5 | 0.309 40-59 | 305 | 135.23 | 138.0 | 2.142 60-79 | 518 | 224.00 | 227.5 | 4.565 -------------+-------+-----------+----------+------------- Sums | 946 | 417.58 | 425.0 | 7.016 Asymptotic test statistic z = -2.803 Prob(Z > |z|) = .0051 Email: sheikmoumin@yahoo.com * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/