TABLE 1

Baseline Descriptive Statistics for the Study Sample (n=111): Seattle, WA, December 2005-August 2008

Variable	Mean SD or %
Age, y (n=111)	48.43 9.51
Race/ethnicity (n=111)
American Indian/Alaska Native	29.73
Asian	0.90
Black/African American	7.21
Hispanic/Latino/Latina	6.31
Native Hawaiian/Pacific Islander	2.70
White/Caucasian	40.54
>1 race/ethnicity	9.91
"Other" race/ethnicity	2.70
History of homelessness in past 3 y (n=109)
About a month or less per y	3.67
>1 mo/y but less than half the time	10.09
Half of the time or more but had some housing some of the time	15.60
Most of the time but may have had housing 1 mo/y	70.64
Substance-use variables
Any alcohol use in past 30 d (n=100)	92.00
Any drug use in past 30 d (n=110)	46.36
Illness burden (n=111) in past 3 mo	3.04 2.47
Extent of psychiatric symptoms in past 2 wka
Interpersonal sensitivity (n=106)	1.02 0.92
Depression (n=107)	1.31 1.00
Anxiety (n=107)	1.34 1.08
Hostility (n=107)	0.82 0.85
Paranoid ideation (n=107)	1.11 0.93
Psychoticism (n=107)	1.06 0.89

What is the mean age and standard deviation of the sample? What percentage of the sample is between 38.92 years old and 57.94 years old?