Table 1.

Demographic characteristics of the sample.

	No diagnosis (n = 21)	Worried well (n = 33)	GAD (n = 31)	GAD and depression (n = 25)	p value
Age, mean (S.D.)	73.2 (8.8)	71.0 (6.6)	69.9 (7.3)	67.6 (6.7)	.08
Education, mean (S.D.)	14.1 (2.8)	14.4 (3.4)	13.7 (2.6)	13.4 (2.4)	.56
% Males	33.3	36.4	9.7	20.0	.06
Marital status					.59
% Never married	9.5	3.0	0.0	4.0
% Married	61.9	42.4	50.0	48.0
% Widowed	28.6	33.3	30.0	36.0
% Divorced/separated	0.0	21.3	20.0	12.0
Race					.39
% White	90.5	68.8	80.6	72.0
% African American	9.5	25.0	12.9	12.0
% Native American	0.0	6.3	6.5	12.0
% Hispanic	0.0	0.0	0.0	4.0
Health
% Cardiac diseases	19.0	12.1	12.9	24.0	.60
% Endocrine diseases	33.3	21.2	25.8	40.0	.43
% Gastrointestinal diseases	9.5	18.2	29.0	48.0	.02
% Pain	61.9	69.7	67.7	84.0	.38
% Pulmonary diseases	14.3	6.1	22.6	36.0	.03
Medications
% Benzodiazepines	4.8	24.2	35.5	52.0	.004
% SSRIs	9.5	6.1	12.9	28.0	.12
% Other anti-depressants	0.0	6.1	3.2	16.0	.12
% Other sleep aids	4.8	3.0	6.5	12.0	.56