Question

The Behavioral Risk Factor Surveillance System (BRFSS) data in 2020

Download and open the R Workspace file BRFSS.RData in R to answer the following questions. The dataset contains a sample of individuals in the US aged 18 – 64 that live in urban areas.

The description of the variables is as follows:

• SEXVAR: A value of 1 is assigned for Male and 2 for Female.
• GENHLTH: Would you say that in general your health is:
o 1 – Excellent
o 2 – Very good
o 3 – Good
o 4 – Fair
o 5 – Poor
• SLEPTIM1: On average, how many hours of sleep do you get in a 24-hour period?
• chronic_disease: Variable that indicates if the individual declares to have a chronic disease (heart attack, any type of cancer, or both).
• X_RACEGR3: Race/ethnicity category:
o 1 – White
o 2 – Black
o 3 – Other race, non-Hispanic
o 4 – Multiracial, non-Hispanic
o 5 – Hispanic
o 9 – Don’t know / Not sure / Refused to answer
• exercise: Dummy variable that indicates adults who reported doing physical activity or exercise during the past 30 days other than their regular job:
o 1 – Had physical activity or exercise
o 0 – No physical activity or exercise in the last 30 days
• X_AGE5YR: Reported age in five-year age categories:
o 1 -- 18 -24
o 2 -- 25 -29
o 3 -- 30 - 34
o 4 -- 35 - 39
o 5 -- 40 - 44
o 6 -- 45 - 49
o 7 -- 50 - 54
o 8 -- 55 - 59
o 9 -- 60 - 64
• X_BMI5: Body mass index (BMI):
• X_BMI5CAT: Four-categories of Body mass index (BMI):
o 1 – Underweight ( BMI < 1850)
o 2 – Normal weight (1850 <= BMI < 2500)
o 3 – Overweight (2500 <= BMI < 3000)
o 4 – Obese (3000 <= BMI < 9999)
• obese: Dummy variable that indicates if reports BMI corresponds to the obese category.
• X_EDUCAG: Level of education completed:
o 1 – Did not graduate High School
o 2 – Graduated High School
o 3 – Attended College or Technical School
o 4 – Graduated College or Technical School
• smoke_drink: Variable that indicates if an adult is a current smoker, heavy drinker (adult men having more than 14 drinks per week and adult women having more than 7 drinks per week), or both.

Answer 1

Thanks for providing the description of the variables in the BRFSS dataset. The BRFSS (Behavioral Risk Factor Surveillance System) is a system of health-related telephone surveys conducted by the Centers for Disease Control and Prevention (CDC) that collect information on health risk behaviors, preventive health practices, and healthcare access primarily related to chronic disease and injury.

The variables in this dataset provide information about the health-related behaviors and conditions of a sample of individuals in the US aged 18-64 living in urban areas. These variables include information about the individuals' sex, general health, sleep habits, chronic disease status, race/ethnicity, physical activity levels, age, body mass index (BMI), education level, and smoking and drinking habits.

Researchers can use this dataset to study the relationships between these variables and various health outcomes or to identify trends in health behaviors and conditions among this population.

Step-by-step explanation: