The following variables are available in each dataset for analysis (extracted from the complete documentation file, available on the NHLBI BioLINCC website [1]).

Variable Name	Description	Coding Details/Range
RANDID	Unique identification number for each participant	2248-9999312
SEX	Participant sex	1 = Male, 2 = Female
AGE	Age at exam, years	3281
SYSBP	Systolic blood pressure, mmHg	83295
BPMEDS	Use of anti-hypertensive medication	0 = No, 1 = Yes
CURSMOKE	Currently smoking cigarettes	0 = No, 1 = Yes
CIGPDAY	Number of cigarettes smoked per day	0 (non-smoker)90
TOTCHOL	Total serum cholesterol, mg/dL	107696
GLUCOSE	Serum glucose, mg/dL	39478
PREVSTRK	Prevalent stroke	0 = No, 1 = Yes
PREVHYP	Prevalent hypertension	0 = No, 1 = Yes
The following are outcome events coded 1 if the event occurred during the follow-up (only the first event is recorded).
ANYCHD	Any coronary heart disease event	0 = No, 1 = Yes
STROKE	Stroke	0 = No, 1 = Yes
CVD	Cardiovascular disease	0 = No, 1 = Yes
HYPERTEN	Hypertension	0 = No, 1 = Yes
DEATH	Death from any cause	0 = No, 1 = Yes
The following are numbers of days from the first (baseline) exam to the first event during the follow-up. If no event occurred, time is end of follow-up, death, or last known contact date.
TIMEMI	Time from baseline to first myocardial infarction
TIMEMIFC	Time from baseline to first MI or fatal CHD
TIMECHD	Time from baseline to first CHD
TIMESTRK	Time from baseline to first stroke
TIMECVD	Time from baseline to first cardiovascular disease
TIMEHYP	Time from baseline to first hypertension
TIMEDTH	Time from baseline to death

*Available only at period = 3 exam, missing otherwise

1. Describe the study sample.

Complete the following table to describe the study sample using data collected at the first examination for each participant (n = 4434). Summarize your results in three to four sentences.

Patient Characteristic*	Total Sample (n = 4434)
Age, years
Male sex
Systolic blood pressure, mmHg
Hypertension
Use of anti-hypertensive medication
Current smoker
Total serum cholesterol, mg/dL
Serum Glucose
Stroke

* Mean (Standard deviation) or n (%)

2. Compare risk factors in men and women.

Complete the following table to compare men and women using data collected at the first examination for each participant (n = 4434). Summarize your results in three to four sentences.

Patient Characteristic*	Men (n = 1944)	Women (n = 2490)
Age, years
Systolic blood pressure, mmHg
Hypertension
Use of anti-hypertensive medication
Current smoker
Total serum cholesterol, mg/dL
Serum Glucose
Stoke

* Mean (Standard deviation) or n (%)