Table 2.

Summary of hierarchical regression analysis of mindfulness score (KIMS sum) on ADHD and selected personality variables (n=105)

Variable	B	SE B	β	R2 (adj R2)
Step 1				0.07 (.03)
Age	0.58	0.27	0.23*
Sex	0.78	3.06	0.03
Ethnicity	−0.63	3.67	−0.02
Some college education	−6.79	4.52	−0.19
College or higher education	−2.81	3.83	−0.09
Step 2				0.23 (.19)
Age	0.56	0.25	0.22*
Sex	0.88	2.79	0.03
Ethnicity	−3.35	3.41	−0.10
Some college education	−3.05	4.21	−0.08
College or higher education	−4.94	3.53	−0.17
ADHD status	−12.71	2.80	−0.43**
Step 3				0.51 (.46)
Age	0.08	0.23	0.03
Sex	0.23	2.56	0.01
Ethnicity	−4.35	2.86	−0.12
Some college education	−4.66	3.58	−0.13
College or higher education	−7.22	3.00	−0.24*
ADHD status	−11.61	−2.69	−0.39**
Self-directedness	0.85	0.27	0.32**
Self-transcendence	1.26	0.35	0.30**
Novelty seeking	−0.09	−0.31	−0.03
Harm avoidance	−0.60	−0.25	−0.20*
Cooperativeness	0.33	0.30	0.09

Note. R² (adjusted R²) = 0.07 (0.03) for Step 1; ΔR² (Δadjusted R²) = 0.16** (0.16) for Step 2; ΔR² (Δadjusted R²) = 0.28** (0.27) for Step 3. An F-test was used to test for significance of difference in R² values.

^*p < 0.05,

^**p < 0.01