Table 2: Mean, (standard deviation), and range of SEP indicators and factor scores for the overall study sample and by catchment site.

SiteMedian  household  income%  of  households with  income  >$150,000%  with  bachelor degree  or  higher%  in  management positions  or  higherSEP  factor score

All44,680.96 (22,448.78) 7,610–170,7905.7
(8.44)
0–54.0
28.45
(21.48)
1.0–90.0
36.19
(16.15)
4.0–84.0
2.91
(0.93)
0.28–5.76
UAB ( 𝑁 = 4 3 5 )51,900
(21,214) 7,610–143,968
7.97
(9.18)
0–49.0
37.74
(21.85)
1.0–81.0
42.61
(15.35)
13.0–69.0
3.31
(0.81)
1.04–5.18
IU ( 𝑁 = 4 5 0 )45,630
(18,390) 12,154–133,479
5.03
(6.33)
0–42.0
30.6
(19.26)
1.0–75.0
36.18
(14.93)
4.0–69.0
2.94
(0.91)
0.36–5.14
HRCA ( 𝑁 = 3 4 6 )62,359.64
(23,438.77) 18,917–148,257
11.46
(10.54)
0–50.0
48.59
(21.93)
5.0–9.0
52.13
(15.49)
6.0–84.0
3.78
(0.74)
0.93–5.76
JHU ( 𝑁 = 4 1 5 )32,791.54
(10,699.90) 10,408–84,832
2.0
(2.89)
0–25.0
17.39
(12.38)
2.0–75.0
29.35
(10.4)
10.0–75.0
2.46
(0.64)
0.95–4.59
WSU ( 𝑁 = 4 5 9 )48,034.58
(28,051.51) 9,615–170,790
7.28
(10.77)
0–54.0
26.42
(21.27)
1–75.0
34.93
(17.83)
7.0–76.0
2.83
(1.03)
0.28–5.41
PSU ( 𝑁 = 4 1 6 )29,345.72
(8,620.85) 10,101–53,096
1.17
(1.01)
0–6.0
12.72
(6.30)
3.0–28.0
24.30
(8.01)
15.0–44.0
2.27
(0.51)
1.35–3.29

Note: UAB: University of Alabama; IU: Indiana University; HRCA: Hebrew Rehabilitation Centre for Aged; JHU: Johns Hopkins University; WSU: Wayne State University; PSU: Pennsylvania State University.