Table 4: Comparison of education, gender, test language, and MoCA-ChLA score among the three age groups.

VariablesAge
50–59 years
(n = 584)
Age
60–74 years
(n = 467)
Age
75–100 years
(n = 141)
P value1Adjusted P value2

Education in years, mean ± SD11.4 ± 3.6 11.9 ± 4.212 ± 4.40.06
Female, no. (%)384 (65.8)280 (60.0)70 (49.6)0.001
Testing language, no. (%)
 Cantonese301 (51.5)233 (49.9)41 (29.1)<0.0001
 Mandarin283 (48.5)230 (49.3)99 (70.2)
 Taiwanese0 (0)4 (0.9)1 (0.7)
Unadjusted MoCA, mean ± SD24.4 ± 3.823.9 ± 4.221.3 ± 5.1<0.0001
Adjusted MoCA2, lsmean ± SE23.6 ± 0.622.8 ± 0.620.1 ± 0.6<0.0001

1P value obtained from Kruskal-Wallis test for continuous variables, from Chi-square test for gender, from Fisher exact test for testing language.
2P value obtained from nonparametric analysis of covariance with adjustment for education, gender, and testing language.