follow-up

  1. P

    Should IRRs and HRs always be equal?

    I am running an analysis in a large population registry where individuals enter and leave the dataset at different time points. When i estimated the IRR between two distinct groups and a health outcome, and then a HR, I am finding a small difference (IRR 2.18, HR 2.01). Shouldn't they have...
  2. Q

    Two-way MANOVA

    Hi, how do I fully follow up this MANOVA, please??? 2 IVs: Exposure Therapy (2 levels: control, or virtual reality) and Medication (2 levels: Propranolol, or placebo) (Giving 4 treatment groups/combinations) 2 DVs: The CAPS-5 and Skin conductance. (To measure PTSD symptom levels in two...
  3. E

    Follow-up tests with 2-way within-subject repeated measures ANOVA

    Hi everybody, I've been doing a 2-way within-subject repeated measures ANOVA and I have some questions: 1) Is it correct that I'm only allowed to do follow-up tests if I see an interaction? 2) Is it acceptable to do t-tests as follow-up tests or should I use something else? Best...
  4. E

    To report or not to report posthocs for a 'back up' test

    Short version - I have run some non-parametric tests (Friedman) as sort of backup to a ANOVA because of an assumption violation - should I report the pairwise comparisons for these tests in addition to planned comparisons I did following the ANOVA? TIA, E...
  5. P

    Follow-up on Kruskal-Wallis

    Hi everybody! I just found this forum and became so happy because I'm in a bit of trouble and have no book to help me right now. I am doing an statistical analysis based on the answers from a survey a friend of mine created. The respondents are visitors to a music festival and the survey...
  6. M

    Methods in longitudinal analyses with different follow-up times

    Hi all, I am new to this forum, but registered because I am looking for the right method to use in the analyses of two different projects, both longitudinal with different follow-up times for patients. I did some research into the study methods, but wasn't sure and wanted to check on this...