I am doing data analysis for two time points, 10 year difference.
what tests should I use for categorical variables, e.g self-reported alcohol and cigarette intake, and education level? please help.
Very kind regards
proc ttest data=Start_women; title 'Paired t-test with proc ttest, paired statement'; paired C14_0Myristic_2015*PLC14_2005 C16_0Palmitic_2015*PLC16_2005 C18_0Stearic_2015*PLC18_2005 C16_1n7Palmitoleate_2015*PLC16_1n7_2005 C18_1n9Oleic_2015*PLC18_1n9_2005 C18_3n3ALA_2015*PLC18_3n3_2005 C20_5n3EPA_2015*PLC20_5n3_2005 C22_5n3DPA_2015*PLC22_5n3_2005 C22_6n3DHA_2015*PLC22_6n3_2005 C18_2n6Linoleic_2015*PLC18_2n6_2005 C18_3n6GLA_2015*PLC18_3n6_2005 C20_3n6_2015*PLC20_3n6_2005 C20_4n6ARA_2015*PLC20_4n6_2005 C22_4n6Adrenic_2015*PLC22_4n6_2005 C22_5n6Osbond_2015*PLC22_5n6_2005 C20_3n9Mead_2015*PLC20_3n9_2005; run;
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