Table 2.

Posterior estimates of the probability for each categories in the clusters associated with lower (1 and 2) and higher (4, 5, and 6) levels of performance on the O-span test and average over all the clusters.

Covariates	Category	Cluster					Total
		1	2	4	5	6
GENOTYPE	Adra2b = 0 e CB1 = 0 (0)	0.19	0.14	0.25	0.11	0.20	0.18
	Adra2b = 0 e CB1 = 1(1)	0.50	0.47	0.30	0.47	0.25*	0.42
	Adra2b = 1 e CB1 = 0 (2)	0.09	0.18	0.21	0.14	0.07	0.14
	Adra2b = 1 e CB1 = 1 (3)	0.21	0.21	0.24	0.28	0.49**	0.26
SEX	M = 0	0.17**	0.38	0.30	0.64*	0.47	0.40
	F = 1	0.83**	0.62	0.70	0.36*	0.53	0.60
AGE	63–71 (0)	0.22**	0.47	0.64°	0.84**	0.37°	0.51
	71–93 (1)	0.78**	0.53	0.36°	0.16**	0.63°	0.49
Education (years)	0–5 (0)	0.82**	0.71**	0.46	0.16**	0.64	0.51
	5–8(1)	0.08*	0.19	0.36°	0.30	0.17	0.22
	8–20 (2)	0.10**	0.10**	0.18	0.54**	0.19	0.27
MMSE	21–24 (0)	0.15	0.17	0.05°	0.10	0.09	0.10
	24–30 (1)	0.85	0.83	0.95°	0.90	0.91	0.90
FORWARD DIGIT	0–6 (0)	0.89**	0.72	0.84*	0.25**	0.69	0.66
	6–13 (1)	0.11**	0.28	0.16*	0.75**	0.31	0.34
BACKWARD DIGIT	0–4 (0)	0.86**	0.57	0.56	0.15**	0.61	0.51
	4–12 (1)	0.14**	0.43	0.44	0.85**	0.39	0.49
PANAS_POS	0–33 (0)	0.69*	0.55	0.37°	0.31°	0.59	0.51
	33–86 (1)	0.31*	0.45	0.63°	0.69°	0.41	0.49
PANAS_NEG	0–18 (0)	0.42	0.60	0.65	0.56	0.46	0.54
	18–47 (1)	0.58	0.40	0.35	0.44	0.54	0.46
VERBAL_FLUENCY	0–7.6 (0)	0.78**	0.75**	0.28**	0.23**	0.73*	0.51
	7.6–21.3 (1)	0.22**	0.25**	0.72**	0.77**	0.27*	0.49
GDS	0–2 (0)	0.35**	0.58	0.71	0.73	0.57	0.60
	2–19 (1)	0.65**	0.42	0.29	0.27	0.43	0.40

Significance levels: 1% (**); 5% (*); 90% (°).