Research Article

Validation of AD8-Philippines (AD8-P): A Brief Informant-Based Questionnaire for Dementia Screening in the Philippines

Table 1

Characteristics of study participants.

Normal cognition ()Dementia () value

Older persons’ characteristics
Gender, (%)
 Male70 (32.9)40 (26.1)0.17
 Female143 (67.1)113 (73.9)
Age; M (SD)70.9 (5.2)76.9 (7.7)<0.001
Age groups; (%)
 60-69 years old100 (47.2)31 (20.3)<0.001
 70-79 years old96 (45.3)65 (40.4)
 ≥80 years old16 (7.5)57 (37.3)
Education; (SD)10.8 (3.4)6.9 (4.0)<0.001
Level of education; (%)
 No formal education (0 year)1 (0.5)11 (7.2)<0.001
 Primary education (1-6 years)35 (16.4)85 (55.6)
 Secondary education (7-10 years)73 (34.3)30 (19.6)
 Tertiary education (≥11 years)104 (48.8)27 (17.6)
Informants’ characteristics
Relationship to the older person, (%)
 Spouse101 (47.4)43 (28.1)<0.005
 Child75 (35.2)84 (54.9)
 Grandchild10 (4.7)12 (7.8)
 Others27 (12.7)14 (9.2)
Gender, (%)
 Male84 (39.4)50 (32.7)0.23
 Female129 (60.6)103 (67.3)
Age; (SD)55.6 (17.0)51.7 (16.3)0.05
Age groups; (%)
 18-24 years old (young adult)11 (5.2)7 (4.6)0.02
 25-64 years old (midadult)111 (52.1)104 (68.0)
 ≥65 years old (older adult)91 (42.7)42 (27.4)
Education; (SD)11.3 (3.2)10.1 (3.6)0.01
Level of education; (%)
 No formal education (0 year)0 (0.0)3 (2.0)0.01
 Primary education (1-6 years)34 (16.0)31 (20.3)
 Secondary education (7-10 years)55 (25.8)60 (39.2)
 Tertiary education (≥11 years)124 (58.2)59 (38.6)
Clinical assessments; (SD)
 CDR-SB0.0 (0.0)4 (3.6)<0.001
 MMSE-P27.9 (1.6)19.5 (7.4)<0.001
 MoCA-P24.4 (2.4)11.9 (6.3)<0.001
 Lawton’s IADL8.7 (1.7)16.7 (7.6)<0.001

AD8-P: Filipino version of AD8; CDR–SB: Clinical Dementia Rating Scale–Sum of Boxes; MMSE–P: Filipino-validated Mini-Mental State Examination (MMSE-P); MoCA–P: Filipino-validated Montreal Cognitive Assessment; Lawton’s IADL: Lawton’s Instrumental Activities of Daily Living; : mean; SD: standard deviation; : frequency.