Table 1. Characteristics of study participants and mean telomere length (LTL).

	N	Weighted %	Mean LTL (95% CI)
Age, years
20-29	1107	17.84	1.21 (1.17-1.24)
30-39	1182	21.33	1.11 (1.08-1.15)
40-49	1288	22.15	1.07 (1.04-1.11)
50-59	975	16.52	0.99 (0.96-1.03)
60-69	1169	11.00	0.96 (0.92-0.99)
70-85	1287	11.16	0.87 (0.84-0.90)
Sex
Male	3586	49.70	1.05 (1.05-1.08)
Female	3422	50.30	1.06 (1.03-1.09)
Race/ethnicity
Non-Hispanic white	3581	74.02	1.04 (1.01-1.08)
Non-Hispanic black	1219	9.19	1.11 (1.07-1.15)
Mexican American	1683	6.89	1.06 (1.02-1.09)
Other	525	9.90	1.10 (1.04-1.17)
Education
Less than high school	2360	21.01	1.02 (0.99-1.05)
High school	1639	26.24	1.05 (1.01-1.09)
Higher education	3009	52.75	1.08 (1.05-1.10)
Smoking status
Current smokers	3525	49.74	1.07 (1.04-1.11)
Former smokers	1901	25.46	1.01 (0.98-1.04)
Never smokers	1582	24.80	1.07 (1.04-1.11)
Alcohol consumption
Never	950	11.86	1.06 (1.02-1.11)
Up to once a week	4677	65.25	1.05 (1.02-1.08)
2-3 times per week	696	12.07	1.09 (1.06-1.13)
4 times per week or more	685	10.82	1.04 (1.01-1.07)
Vigorously active
No	5867	80.25	1.04 (1.01-1.07)
Yes	1141	19.75	1.12 (1.09-1.14)
Cancer diagnosis
No	6418	92.17	1.06 (1.03-1.09)
Yes	590	7.83	0.97 (0.93-1.00)
Diabetes
No	5978	89.47	1.07 (1.04-1.10)
Yes	1030	10.53	0.98 (0.95-1.01)
Hypertension
No	3965	63.50	1.09 (1.06-1.12)
Yes	3043	36.50	1.00 (0.97-1.03)
Hypertriglyceridemia
No	5782	83.41	1.07 (1.04-1.10)
Yes	1226	16.59	1.00 (0.96-1.04)
Low HDL
No	4458	63.55	1.06 (1.03-1.09)
Yes	2550	36.45	1.05 (1.02-1.08)