Table 1.

Distribution of Social Determinants According to Summary Score Quintile

	Social Determinants Quintile
Area-level Social Determinants of Health	Most disadvantaged	2	Middle	4	Least disadvantaged
No. of patients	79,019	69,990	70,456	72,788	72,254
Mean summary score	−6.1	−1.8	0.68	2.7	5.1
Wealth/Income
Median household income ($)	$42,885	$53,008	$55,891	$67,301	$78,249
Persons below federal poverty level (%)	21.9%	16.9%	14.1%	11.6%	8.6%
Education
Adult residents who completed high school (%)	77.8%	80.2%	86.9%	87.9%	90.7%
Adult residents who completed college (%)	17.1%	26.8%	28.0%	34.8%	41.9%
Employment
Employed residents (%)	86.7%	89.1%	90.7%	90.9%	92.1%