Table 2.

Unadjusted Weighted Percentages of Adults Without a Usual Source of Care: Comparisons Across Demographic Groups

Demographic Characteristic	All Adults (n = 8,851)	P Value*	Adults With USC or Had No Preference (n = 8,333)	P Value*	Adults With or Preferred USC (n = 7,643)	P Value*
Note: Unweighted number of observations; actual n varies slightly by category.
USC = usual source of care; NS = not significant.
* χ² for overall differences between subcategories of each demographic characteristic.
Entire group	20.0		15.2		6.6
Sex		≥ .001		≥ .001		≥ .05
Male	28.6		24.2		7.7
Female	15.6		10.7		6.1
Age-group		≥ .001		≥ .001		≥ .001
18 – 29 y	36.4		29.0		14.2
30 – 39 y	25.8		19.9		9.1
40 – 49 y	17.5		13.1		5.8
50 – 59 y	14.3		11.3		3.8
≥ 60 y	8.0		5.8		2.5
Race/ethnicity		≥ .001		≥ .001		≥ .001
White/other	18.2		13.9		5.7
Black	21.0		16.6		6.3
Hispanic	33.3		24.4		14.9
Education		NS		NS		NS
<High school	21.5		15.7		8.0
High school graduate	19.2		15.2		5.5
Some college	20.4		15.9		6.4
College graduate	19.3		14.1		7.0
Annual income		NS		NS		≥ .05
<$25,000	20.3		14.8		7.6
$25,000 – $50,000	19.4		15.5		5.5
>$50,000	19.6		16.0		5.4
Marital status		≥ .001		≥ .001		≥ .001
Married	15.5		11.3		5.4
Never married	33.6		27.5		11.4
Divorced	21.0		16.4		6.6
Widowed	8.1		5.7		2.7
Separated	20.0		11.9		10.3
Insurance		≥ .001		≥ .001		≥ .001
None	47.0		36.5		23.8
Public	12.2		8.2		4.7
Private	17.4		13.8		4.9
Reported health status		≥ .001		≥ .001		NS
Excellent	26.9		23.4		5.8
Very good	21.6		16.6		7.1
Good	17.7		13.0		6.2
Fair	13.0		6.9		7.0
Poor	12.0		5.3		7.4
Region of country		≥ .001		≥ .001		≥ .001
Northeast	14.5		10.8		4.6
Midwest	17.0		13.9		4.3
South	20.5		16.1		6.3
West	26.9		19.2		11.5
Urban/rural location		≥ .01		≥ .05		≥ .05
Urban	20.9		15.8		7.1
Rural	15.9		12.7		4.3