Question

Question 5. A researcher is looking at the relationship between periodontal disease and hypertension in a population of men and women. He/she decides to collect relevant information on the following variables as potential confounders in the investigation: gender (M/F), education status (<High School, High School, >High School), annual income ($), health status (dissatisfied, somewhat dissatisfied somewhat satisfied, satisfied), Body Mass Index (weight kg/height m2), Marital Status (Single, Married, Divorced, Separated, Widowed) Describe each of the relevant co-variables as ordinal, categorical, or quantitative.

Answer 1

(i) Gender : Categorical

(ii) Educational status: Ordinal

(iii) Annual income: Quantitative

(iv) Health status: Ordinal

(v) Body Mass Index: Quantitative

(vi) Marital status: Categorical