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Thread: Best Statistical test for data

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    Best Statistical test for data




    Hi All,

    Just wondering if someone could help with an issue with my data.

    I am wanting to analyse the relationship between continuous variable (
    cholesterol) and BMI categorised in four categories (under, normal, over, obese).

    What test would be best to look at this ? Would multi-way ANOVA be usefuL? Sorry my biostats knowledge is quite bad.

    Help would be much appreciated. Many thanks.

    HR

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    Re: Best Statistical test for data

    Which is the independent and which the dependent variables

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    Re: Best Statistical test for data

    Quote Originally Posted by Miner View Post
    Which is the independent and which the dependent variables
    BMI (groups) would be the independent and Cholesterol would be dependent ? would one way ANOVA be appropriate?

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    Re: Best Statistical test for data


    A 1-way ANOVA followed by a post-hoc test would be appropriate. If you want to compare under/over/obese against normal (as control), try Dunnett's test.

    Another option would be to use ANOM. However, the null hypothesis is subtly different than the usual. In ANOM, the null is that no mean is different from the group mean. In your case ANOM would test each mean (under/normal/over/obese) against the overall mean. You would have to decide whether that hypothesis is of interest to you.

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