Table 1.

LIFE trial baseline descriptive statistics

	All		Age ≤ 78		Age ≥ 79
Variable	N	%	N	%	N	%
Gender
Female	1098	67.2	585	69.5	513	64.7
Male	537	32.8	257	30.5	280	35.3
Race
White	1239	75.8	582	69.1	657	82.8
African American/Black	288	17.6	189	22.4	99	12.5
Hispanic	61	3.7	42	5.0	19	2.4
Other	47	2.9	29	3.4	18	2.3
Marital Status
Married	583	35.9	329	39.1	254	32.3
Separate/divorced	268	16.5	185	22.0	83	10.6
Widowed	661	40.6	257	30.5	404	51.5
Never married	101	6.2	60	7.1	41	5.2
Other	13	0.8	10	1.2	3	0.4
Education
No formal education	13	0.8	8	0.9	5	0.6
Elementary	31	1.9	13	1.6	18	2.3
High school	484	29.7	253	30.1	231	29.3
College	642	39.4	322	38.3	320	40.6
Postgraduate	402	24.7	214	25.4	188	23.8
Other	58	3.5	31	3.7	27	3.4
Household Income
Less than $10,000	67	4.6	33	4.5	34	4.9
$10,000 to $14,999	113	7.8	68	9.0	45	6.6
$15,000 to $24,999	282	19.5	144	19.0	138	20.1
$25,000 to $34,999	222	15.4	113	14.9	109	15.9
$35,000 to $49,999	288	19.9	148	19.6	140	20.4
$50,000 to $74,999	233	16.1	120	15.9	113	16.4
$75,000 or greater	239	16.6	131	17.1	108	15.7
Health self rating
Excellent	105	6.4	44	5.2	61	7.7
Very good	462	28.4	240	28.6	222	28.1
Good	791	48.6	403	48.0	388	49.1
Fair	251	15.4	141	16.8	110	14.0
Poor	20	1.2	12	1.4	8	1.0
Obesity-Class I [BMI 30–34.9]	434	26.5	254	30.2	180	22.7
Obesity-Class II [BMI 35–39.9]	202	12.4	145	17.2	57	7.2
Obesity-Class III [BMI ≥ 40]	116	7.1	100	11.9	16	2.0
Variable	Mean	SD	Mean	SD	Mean	SD
Age (yr.)	78.9	5.2	74.5	2.5	83.5	2.9
Body Mass Index	30.2	6.0	32.0	6.4	28.3	4.8
Number in household	1.7	1.0	1.8	1.0	1.6	0.9