Table 1.
Intervention |
Analyses |
|||||||
---|---|---|---|---|---|---|---|---|
Measure | All (N= 23) | PST-PC (N= 10) | DIET (N= 13) | Test statistic | df | p | Effect size | Mag |
Age | 63.1 ± 9.7 | 64.8 ± 10.8 | 61.9 ± 9.0 | t = 0.67 | 20 | 0.509 | d = 0.20 | Sm |
Race/ethnicity | P = 0.35 | 0.615 | V<0.01 | |||||
Black | 5 (27.8) | 1 (16.7) | 4 (33.3) | |||||
White | 13 (72.2) | 5 (83.3) | 8 (66.7) | |||||
Education (years) | 13.5 ± 2.5 | 13.9 ± 3.1 | 13.2 ± 2.1 | U = 0.65 | 1 | 0.419 | η2 = 0.03 | Sm |
MMSE | 27.5 ± 1.7 | 27.9 ± 1.8 | 27.2 ± 1.6 | t = 0.93 | 21 | 0.362 | d = 0.28 | Sm |
Married | 10 (45.5) | 5 (55.6) | 5 (38.5) | P = 0.25 | 0.666 | V = 0.17 | Sm | |
History of MDD | 8 (34.8) | 3 (30.0) | 5 (38.5) | P = 0.31 | 1.000 | V<0.01 | ||
N treatment sessions | 6.7 ± 0.70 | 7.0 ± 0.82 | 6.5 ± 0.52 | t = 1.93 | 21 | 0.067 | d = 0.56 | Med |
PST-PC, Problem Solving Therapy for Primary Care; DIET, dietary education; mag, magnitude; sm, small; MMSE, Mini Mental Status Exam; MDD, major depressive disorder; N, number; df, degrees of freedom; t refers to student's t-test; P refers to Fisher's exact test; U refers to the Mann–Whitney test; p refers to level of statistical significance; V refers to Cramer's V; d refers to Cohen's d; η2 refers to effect size for ANOVA.
For continuous data, the data are reported as means ± standard deviation. For categorical data, we present numbers followed by percentages in parentheses.