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kounoupi's avatar

Statistics: Which test to use to find the relation between two binary variables adjusted for a continuous and two binary covariates? How do I check for covariates in the first place?

Asked by kounoupi (802points) September 18th, 2013

Still trying to figure stats, bear with me
OK. My data
1) My outcome variable (Outvar) is binary (yes/no)
2) My explanatory variable (exvar) is also binary (yes/no)
3) I have 3 variables:
Variable A is binary
Variable B is continuous but not normally distributed
Variable C is also continuous and has normal distribution
For the varA, varB and varC, I want to check if they impact my outcome variable. If they do I want to “remove” their impact because I want to know the independent impact of my exvar on outvar. Which test should I use?
And, do I need to check the impact of varA, varB, var C on my exvar too?

this may be easy but I am so unable to think right now
if it is of any importance I am using the SPSS v20 for creating all these statistic questions in my head

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5 Answers

Response moderated (Off-Topic)
talljasperman's avatar

~ Do you have an English translation Equation?
Maybe the Quadratic Equation -b + – 4ac over 2a.
Breathe in and breath out. when you relax the answer will come.

glacial's avatar

My first thought is logistic regression.

PhiNotPi's avatar

Try asking this at stats.stackexchange.com, they are experts at statistics.

kounoupi's avatar

Thank you for your answers. I am still confused; if I figure this I will post what I did :)

@glacial I am thinking the same, maybe multiple linear regression but I hesitate. Not sure why.
@PhiNotPi wow that site is awesome. I bookmarked it! Also I posted the question there, hopefully I’ll get an answer from someone who can think clearly :)

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