Table 3.

Multivariable Linear Regression Examining Leukocyte Telomere Length at Year 25 (2010/2011) Among African Americans in the Coronary Artery Risk Development in Young Adults (CARDIA) Telomere Ancillary Study

	Model 1: LTL, Year 15		Model 2: LTL, Year 25		Model 3: LTL, Year 25		Model 4: LTL, Year 25
Variable	b	95% CI	b	95% CI	b	95% CI	b	95% CI
Racial discrimination, Y15	.006	[−.017, .034]			.017	[−.001, .035]	.015	[>.000, .029]
Racial discrimination, Y25			−.009	[−.024, .005]	−.019	[−.038, −.001]*	−.019	[−.035, −.004]*
Telomere length, Y15							.326	[.280, .373]***
Age	−.003	[−.010, .005]	−.002	[−.009, .005]	−.002	[−.009, .005]	.001	[−.004, .007]
Years elapsed Y15 to Y25	.005	[−.077, .087]	.001	[−.082, .084]	−.001	[−.084, .082]	−.021	[−.091, .048]
Women vs. Men	.047	[−.018, .112]	.044	[−.021, .109]	.048	[−.016, .112]	.042	[−.010, .095]
> High school vs. ≤ high school	.008	[−.052, .068]	.018	[−.043, .078]	.011	[−.049, .071]	−.028	[−.079, .022]
Household income	−.006	[−.023, .011]	−.004	[−.021, .013]	−.005	[−.022, .012]	−.003	[−.018, .012]
Not working vs. working	−.031	[−.102, .039]	−.030	[−.101, .040]	−.024	[−.094, .047]	−.007	[−.068, .053]
Relationship status (ref: Married)
Divorced, separated, widowed	−.016	[−.086, .055]	−.011	[−.081, .060]	−.012	[−.083, .058]	−.021	[−.084, .042]
Never married	−.031	[−.102, .041]	−.032	[−.103, .039]	−.026	[−.097, .045]	−.017	[−.077, .043]
Body Mass Indexa	−.003	[−.007, .001]	−.003	[−.007, .001]	−.003	[−.007, .002]	−.002	[−.006, .001]
Former vs. never smoker	.060	[−.023, .143]	.067	[−.016, .151]	.061	[−.023, .145]	.054	[−.011, .120]
Current vs. never smoker	−.034	[−.098, .030]	−.032	[−.096, .032]	−.034	[−.098, .030]	−.008	[−.065, .048]

Note. N = 391. Age, education, household income, work status, marital status, smoking, and body mass index measured at Year 15. CI = confidence interval; Y15 = Year 15; Y25 = Year 25.

^aBody mass index calculated as (weight in kilograms)/(height in meters)².

^*p < .05.

^***p < .001.