Table 3.

Clinical correlates of CDR and MoCA scores in 199 essential tremor (ET) cases.

	CDR score	MoCA score
Age (years)	rs = 0.33, p < 0.001	rs = −0.46, p < 0.001
Gender
Men	0.3 ± 0.5 (0.0)	24.6 ± 4.0 (25.0)
Women	0.2 ± 0.3 (0.0)	24.6 ± 3.8 (25.0)
	p = 0.11a	p = 0.94a
Race
White	0.2 ± 0.4 (0.0)	24.6 ± 3.9 (25.0)
Other	0.0 ± 0.0 (0.0)	26.0 ± 2.2 (25.5)
	p = 0.20a	p = 0.59a
Education (years)	rs = −0.04, p = 0.54	rs = 0.12, p = 0.10
Age of tremor onset (years)	rs = 0.03, p = 0.67	rs = −0.13, p = 0.07
Tremor duration (years)	rs = 0.11, p = 0.13	rs = −0.05, p = 0.49
Total tremor score	rs = 0.21, p = 0.005	rs = −0.23, p = 0.002
Number of reported falls in the past year	rs = 0.23, p = 0.001	rs = −0.19, p = 0.007
Balance confidence (ABC-6)	rs = −0.29, p < 0.001	rs = 0.36, p < 0.001
MoCA score	rs = −0.62, p < 0.001	–
CDR score	–	rs = −0.62, p < 0.001
Number of medications that could affect cognitive performance	rs = 0.37, p < 0.001	rs = −0.30, p < 0.001

Values are mean ± SD (median) or r_s.

^aMann–Whitney test.

Bolded values are significant.

ABC-6, Activities of Balance Confidence Scale; CDR, Clinical Dementia Rating; MoCA, Montreal Cognitive Assessment; r_s, Spearman’s rho.