. Author manuscript; available in PMC: 2010 Sep 1.

Published in final edited form as: Parkinsonism Relat Disord. 2009 Feb 28;15(8):554–557. doi: 10.1016/j.parkreldis.2009.01.007

TABLE 3.

Rank Order of UCLA Loneliness Scores in Comparative Samples

Sample	N	Age Mean (SD)	Loneliness Mean (SD)	P^*
Present sample	70	65.5 (10.2)	40.00 (10.6)
Alzheimer caregivers [25]	40	74.0 (7.9)	37.35 (9.7)	.089
Older adults [23]	57	64.9 (5.0)	36.26 (8.2)	.011
Older adults [22]	161	60–80 (range)	34.52 (9.3)	<.001
Older adults with low vision [21]	93	75.1 (not given)	32.56 (6.9)	<.001
Older adults [17]	284	65+	31.51 (6.9)	<.001
Peritoneal dialysis caregivers [24]	65	43.9 (8.5)	28.30 (15.0)	<.001

Significance level when compared to present sample in one-sample t-test.