Table 1.

Baseline Characteristics of the Study Sample (n = 10,719)

Age (years), mean (SD)	53.8 (2.7)
Age (years), (%)
50–54	65.2
55–59	29.9
60–64	4.9
Time till event (years), median (IQR)	4.2 (3.3, 9.6)
Gender (%)
Male	60.0
Female	40.0
Race (%)a
Non-Hispanic Whites	83.1
African American	10.5
Other	6.4
Marital status (%)b
Married/partnered	73.6
Not married/partnered	26.4
Educational level (%)
College and above	32.0
Some college	26.6
High-school graduate	31.1
Less than high school	10.3
Wealth (%)
First quartile (high)	31.1
second quartile	25.1
Third quartile	22.2
Fourth quartile (low)	21.5
Multimorbidity (%)
No CHC	43.2
One CHC	34.5
Multimorbidity	22.3

Notes: SD = standard deviation; CHC = chronic health condition; IQR = interquartile range.

^aWe had 23 missing values on race.

^bWe had five missing values on marital status.