Table 4.

Dementia scale and school education

Dementia scale	School education					Total
	<10 years	10 years	>10 years	Illiterate	10
Severe dementia	24	8	4	9	1	46
Moderate dementia	35	49	80	7	0	171
Mild dementia	5	15	38	2	0	60
Normal	2	7	14	0	0	23
Total	66	79	136	18	1	300
χ2	70.067
P	<0.001**

P (< 0.05) significant; **Highly significant