Table 1

Comparison of characteristics of study participants from the MPI/PO Study by Identification Status on the SSA DMF.


Identified as Dead (n = 330) Mean (SD)
Not identified as Dead (n = 44) Mean (SD)
P-VALUE

Age (in years)
77.5 (9.9)
70.7 (12.4)
<0.01
Year of birth (in years)
1920.2 (10.0)
1927.5 (12.5) *
0.06
Year of death (in years)
1997.6 (1.8)
1998.0 (2.3)*
0.13

%
%

Male
63.1
63.6
1.00
Foreign Born
35.8
59.1
0.01
African Americans
6.7
13.6
0.12
Asian
2.4
2.3
1.00
Hispanic
3.9
4.5
0.69

Abbreviations: Myocardial Perfusion Imaging/Patient Outcomes, MPI/PO; Social Security Administration Death Master File, SSA DMF * This comparison is age adjusted

Schisterman and Whitcomb Population Health Metrics 2004 2:2   doi:10.1186/1478-7954-2-2