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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Arch Ophthalmol. 2012 Oct 1;130(10):1252–1258. doi: 10.1001/archophthalmol.2012.1607

Table 1.

Description of Sample by Treatment Group (n=312)

Intervention (n=157) Control (n=155) p-value a
Mean (SD) or % (n) Mean (SD) or % (n)
Age 63.13 (9.06) 62.11 (9.26) p=0.32
Sex
 Male 62.4% (98) 62.6% (97)
 Female 27.6% (59) 37.4% (58) p=0.98
Race
 Black/African American 88.5% (139) 92.9% (144)
 White/Caucasian 11.5% (18) 7.1% (11) p=0.18
Education
 Less than high school 24.8% (39) 21.3% (33)
 High school/GED 29.3% (46) 31.6% (49)
 Some college/technical school 32.5% (51) 37.5% (58)
 College graduate or more 13.4% (21) 9.6% (15) p=0.80
Current Marital Status
 Married 44.6% (70) 38.7% (60)
 Divorced/separated 26.1% (41) 31.0% (48)
 Widowed 19.1% (30) 18.1% (28)
 Never been married 10.2% (16) 12.3% (19) p=0.80
Additional People Living in Household
 No one 29.9% (47) 23.9% (37)
 One person 36.9% (58) 38.7% (60)
 Two or more people 33.2% (52) 37.4% (58) p=0.35
Annual Household Income
 $10,000 or less 32.7% (51) 33.5% (52)
 $10,001 to $20,000 24.4% (38) 26.5% (41)
 More than $20,000 42.9% (67) 40.0% (62) p=0.71
a

Chi-square and t-tests were used