Statistical consulting and data analysis for epidemiological studies.

 

Including:

Associations between variables such as …

• Pearson's correlation
• Spearman's correlation and other non-parametric
• Chi-square test of association (2 x 2)

 

Survival analysis such as…

• Kaplan-Meier
• Cox regression
• Cox regression with time-dependent covariate

 

Regression analysis such as…

• Linear regression
• Ordinal logistic regression
• Binomial logistic regression

 

Reliability and validity

• Cronbach's alpha
• Weighted kappa

 

Analysis of variance such as…

• Independent-samples t-test
• ANOVA
• ANCOVA
• MANOVA
• MANCOVA

 

Before-after comparisons such as…

• Paired-samples t-test
• One-way repeated measures ANOVA
• Two-way repeated measures ANOVA
• Two-way mixed ANOVA

 

Non-parametric test such as…

• Mann-Whitney U test
• Wilcoxon signed-rank test
• Sign test
• McNemar's test
• Kruskal-Wallis H test

 

Factor analysis