Table 1.

Percentages of demographic variables by Appalachian and Non-Appalachian residence in Pennsylvania.

Demographic variable	Appalachian (M, SD)		Non-Appalachian (M, SD)		t-test
Population density per square mile	163.8	249.8	1,456.3	2,796.9	1.79
Less than high school graduate	19.4	3.5	18.1	5.1	−1.12
High school graduate (including equivalency)	46.1	4.5	36.8	6.0	−6.57***
Some college	19.6	3.1	21.1	2.3	1.80
Bachelor’s degree	9.4	2.8	15.1	5.2	4.02**
Master’s degree	3.6	1.4	5.9	2.1	3.95**
Professional school degree	1.3	0.6	2.1	0.8	4.95***
Doctorate degree	0.6	.8	1.0	0.5	1.76

Note.

^**< .001;

^***< .0001.