repeated measurement

  1. A

    Should i use Multinomial Logistic Regression?

    Hello to all. I have an x-ray evaluation of patients. Each patient was seen in the clinic at different time intervals (Days between xrays), not regular times. There are different rates of application to clinics for patients (at least 3, at most 10 or more times) X-rays were evaluated for a...
  2. A

    Mixed Models: challenge to solve

    Hello there! I have a question concerning my data and the use of Mixed models in SPSS 21.0. I want to investigate the influence of the independent variable 'altitude' (coded 1 to 5) on the dependent variable 'time' (numeric) of a certain test. This test is conducted in 16 individuals and...
  3. A

    Comparing proportion between categorical outcome variables, repeated measures design

    I am working on an observational prospective longitudinal study with a repeated measures design. The same categorical outcome is measured for five times, for all the participants, over a time period. So there are five outcome (dependent) variables and a few predictor variables. First of all, I...
  4. M

    Repeated measurements analysis comparison between two groups

    Dear All, I am nearly illiterate in terms of statistics, and would like to get some advice from you. I have data on a RCT on a certain drug A ± drug B, with follow-up of upto 12 months after treatment. (n=13, 14 for A or A+B, respectively) My outcome variable is a certain plasma protein...