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. Author manuscript; available in PMC: 2019 Jan 19.
Published in final edited form as: Issues Ment Health Nurs. 2014 Aug;35(8):620–627. doi: 10.3109/01612840.2014.895071

TABLE 2.

Descriptive Statistics for All Study Variables

Females Males
Variable n = 390 n = 139 p valuea
Performance Measures Mean (SD)
MMSE  27.56 (2.40) 27.63 (2.11) .78
RBMT  17.64 (4.38) 17.78 (4.13) .74
Self-Report Measures Mean (SD)
Achievement  3.85 (0.36) 3.81 (0.37) .33
Anxiety  3.23 (0.62) 3.11 (0.61) .05
Capacity  3.06 (0.51) 2.95 (0.59) .03
Change  2.52 (0.55) 2.51 (0.64) .85
Locus  3.52 (0.49) 3.50 (0.55) .72
Internal Strategy  3.43 (0.60) 3.41 (0.55) .71
External Strategy  3.84 (0.67) 3.54 (0.71)  <.001
Task  3.85 (0.36) 3.90 (0.36) .21
Covariates Mean (SD)
Age  76.87 (6.42) 75.76 (6.26) .08
Education  12.81 (3.57) 14.00 (3.86) .001
Caucasianb n (%)  263 (67%)  98 (71%) .51
Depressionc n (%)   69 (18%)  21 (15%) .49

Note. MMSE = Mini-Mental State Exam; RBMT = Rivermead Behavioural Memory Test

a

p values obtained from Student’s t test for all variables except Caucasian and depression for which Pearson chi-square tests were used.

b

Caucasian is coded 1 for Caucasian and 0 otherwise.

c

Depression is coded 1 for depressed and 0 otherwise.