Table 2.
N | (a) M (SD) | (b) M (SD) | t | df | p | Cohen’s d | |
---|---|---|---|---|---|---|---|
|
|||||||
(a) 2 weeks vs. (b) 3 months | 98 | 10.93 (6.43) | 5.52 (5.49) | 10.45* | 97 | <.001 | −1.07 |
(a) 2 weeks vs. (b) 6 months | 91 | 10.85 (6.50) | 3.73 (5.15) | 12.46* | 90 | <.001 | −1.33 |
(a) 2 weeks vs. (b) 12 months | 76 | 10.86 (6.54) | 3.01 (4.56) | 11.25* | 75 | <.001 | −1.32 |
(a) 3 months vs. (b) 6 months | 100 | 5.55 (5.84) | 3.83 (5.13) | 4.46* | 99 | <.001 | −0.45 |
(a) 3 months vs. (b) 12 months | 82 | 5.84 (5.68) | 3.00 (4.45) | 5.97* | 81 | <.001 | −0.68 |
(a) 6 months vs. (b) 12 months | 82 | 3.96 (5.12) | 3.04 (4.48) | 2.79* | 81 | .007 | −0.31 |
|
|||||||
(a) 2 weeks vs. (b) 3 months | 95 | 6.42 (6.61) | 3.56 (4.65) | 5.32* | 94 | <.001 | −0.57 |
(a) 2 weeks vs. (b) 6 months | 91 | 6.38 (6.70) | 2.88 (4.66) | 6.40* | 90 | <.001 | −0.71 |
(a) 2 weeks vs. (b) 12 months | 73 | 6.17 (6.68) | 2.19 (4.26) | 6.04* | 72 | <.001 | −0.75 |
(a) 3 months vs. (b) 6 months | 98 | 3.52 (4.87) | 2.96 (4.75) | 1.90 | 97 | .061 | −0.19 |
(a) 3 months vs. (b) 12 months | 78 | 3.42 (4.72) | 2.22 (4.14) | 3.31* | 77 | .001 | −0.38 |
(a) 6 months vs. (b) 12 months | 79 | 2.97 (4.71) | 2.23 (4.15) | 2.29 | 78 | .025 | −0.26 |
*p < .008, the adjusted p-value derived via Bonferroni correction for multiple comparisons.