Table 3.

Differences between groups

	PWMHs				DWMHs
	Absence of PWMHs	Presence of PWMHs	Test	P	No DWMHs or mild lesions	Moderate to severe DWMHs lesions	Test	P
Men	14.3 %	25.0 %		<0.17	20.0 %	17.1 %		<0.48
Age	49.02 ± 12.76	51.58 ± 12.96	t 83 = −0.90	<0.37	47.40 ± 11.91	53.89 ± 13.26	t 83 = −2.34	<0.05
CES-D	18.19 ± 9.68	13.79 ± 7.51	t 77.76 = 2.30	<0.05	15.69 ± 8.35	17.47 ± 10.13	t 83 = −0.86	<0.39
CES-D ≥ 16	52.1 %	36.4 %		<0.12	44.9 %	46.9 %		<0.52
Drive	10.49 ± 2.60	10.89 ± 2.89	t 83 = −0.67	<0.51	11.14 ± 2.52	9.97 ± 2.86	t 83 = 1.99	<0.05
Fun seeking	10.16 ± 2.50	10.19 ± 2.62	t 83 = −0.06	<0.96	10.44 ± 2.45	9.80 ± 2.63	t 83 = 1.15	<0.25
Reward responsiveness	16.76 ± 2.43	16.97 ± 2.25	t 83 = −0.42	<0.68	17.24 ± 2.11	16.29 ± 2.57	t 83 = 1.88	<0.06
BIS	22.16 ± 3.41	22.53 ± 3.20	t 83 = −0.50	<0.62	22.34 ± 3.09	22.29 ± 3.64	t 83 = 0.07	<0.94