MDSC 643 02 Biostatistics II Gordon Hilton Fick

MDSC 643. 02 Biostatistics II Gordon Hilton Fick ghfick@ucalgary. ca www. ucalgary. ca/~ghfick 220 -6939

Teaching Assistants • Jian Kang: • Office hours and some large group sessions • Shelly Vik: • Marking and grading

Stata • • • First: Phone Stata Corporation: 800 -248 -8272 Intercooled Stata 8 is recommended Perpetual license is the best deal: US$134 You want ‘Method 3 Grad Plan’ Then: Vicki Stagg will contact you vlstagg@ucalgary. ca 220 -7265

Appointments to see GHF • • • Crystal Elliott elliottc@ucalgary. ca 220 -4288 Monday afternoons are best Other days and/or times are possible too

Assignments • Interpretation most important • All Stata analyses must be explained • Define all terms in context • Use Equations editor to make symbols

Prerequisite Course • • MDSC 643. 01: Biostatistics I B+ or better Within the past 3 years See GHF if you have other preparation

Prerequisite material • • Interpret accurately and completely: boxplots, scatterplots, line plots, axes, units, titles mean versus median: when? data transformations tests and confidence intervals tables: FET versus tests means: t-tests, analysis of variance matched analysis

Computing Background • Windows/Mac/Linux architecture • Website: links, left versus right clicks • Stata : Rabe-Hesketh & Everitt • : Chapters 1 & 2

Projects • • Grouped In pairs Power Point presentations To display biostatistical content 10 minutes for each group

Course Objectives • Health Studies: From idea, to design, to data collection, data analysis and interpretation • Linking classical analyses to model-based analyses • Using software: spreadsheet/database to statistical analysis • Linear regression and Logistic regression: choosing, assessing, interpreting • Introducing other regression models: conditional logistic, proportional hazards and others • Using models to assess potential confounders and/or modifiers