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. 2013 Jan 31;8(1):e54790. doi: 10.1371/journal.pone.0054790

Table 1. Participant characteristics at randomization, N = 503. (This table used with permission [6].).

DD (N = 212) Education (N = 141) Control (N = 150) p-valuea
Female 127 (60) 94 (67) 96 (64) 0.42
Age in years (mean (SD))b 63 (8) 63 (9) 63 (10) 0.81
Marital status
Single 20 (10) 12 (9) 18 (12)
Married 132 (63) 87 (62) 85 (57)
Divorced 37 (18) 24 (17) 26 (17) 0.86
Widowed 21 (10) 18 (13) 20 (13)
Other 1 (1) 0 (0) 0 (0)
Hispanic or Latino/Latina 1 (1) 1 (1) 1 (1) 0.96
Race
White 183 (86) 125 (89) 127 (85)
Black or African-American 25 (12) 14 (10) 21 (14) 0.72
Other 4 (2) 2 (1) 1 (1)
Highest level of education
Less than BA 110 (52) 85 (60) 78 (52)
BA 54 (26) 35 (25) 41 (27) 0.39
More than BA 48 (23) 21 (15) 31 (21)
Finances at the end of a typical monthc
Some money left over 137 (65) 91 (65) 98 (65)
Just enough to make ends meet 54 (26) 35 (25) 35 (23) 0.99
Not enough to make ends meet 12 (6) 9 (6) 8 (5)
Relationship with an Alzheimer’s patient
Primary Caregiver/Decision-maker 56 (27) 41 (30) 34 (23)
Close to someone with AD 90 (43) 61 (44) 66 (44) 0.66
No relation 65 (31) 37 (27) 50 (33)
a

Based on χ2 tests, except for age which is based on ANOVA.

b

All cell values are N(%) except for age.

c

Some percentages do not add to 100 because not all participants answered the question.