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. Author manuscript; available in PMC: 2023 Aug 24.
Published in final edited form as: J Prev Alzheimers Dis. 2023;10(3):478–487. doi: 10.14283/jpad.2023.38

Table 5:

Parameters of CogDrisk-AD for predicting Alzheimer disease in the four cohort studies.

SNAC-K HRS ADAMS CHS-CS MAP
Risk and protective factors (13) Age, Gender, Education, Diabetes, Stroke, Hypertension, Smoking, TBI, Depression, Loneliness, Physical activity, Cognitive Activity and Fish intake (9) Age, Gender, Education, Diabetes, Stroke, Smoking, TBI, Depression and Cognitive activity (10) Age, Gender, Education, Diabetes, Stroke, Smoking, Depression, Loneliness, Physical activity and Fish intake (13) Age, Gender, Education, Diabetes, Stroke, TBI, Hypertension, Smoking, Depression, Loneliness, Physical activity, Cognitive activity and Fish intake
n N=1579, M=638, F=941 N=594 M=336, F=258 N=2701, M=1105, F=1596 N=850, M=210, F=640
AUC Male 0·65 (0·50, 0·80) 0·73 (0·66, 0·80) 0·72 (0·68, 0·77) 0·66 (0·59, 0·74)
AUC Female 0·72 (0·62, 0·83) 0·73 (0·67, 0·78) 0·72 (0·68, 0·76) 0·65 (0·61, 0·70)
AUC Overall 0·69 (0·60, 0·78) 0·72 (0·68, 0·77) 0·72 (0·69, 0·75) 0·66 (0·62, 0·70)
Reduced variable Model (12) Age, Gender, Education, Diabetes, Stroke, Hypertension, Smoking, TBI, Depression, Loneliness, Cognitive activity and Fish intake (8) Age, Gender, Education, Diabetes, Stroke, Smoking, TBI, and Depression (9) Age, Gender, Education, Stroke, Smoking, Depression, Loneliness, Physical activity and Fish intake (12) Age, Gender, Education, Diabetes, Stroke, TBI, Hypertension, Smoking, Depression, Loneliness, Physical activity and Cognitive activity
n N=2137, M=816, F=1321 N=671 M=284, F=387 N=2757, M=1122, F=1635 N=1511, M=382, F=1129
AUC Male 0·66 (0·52, 0·80) 0·72 (0·75, 0·75) 0·72 (0·67, 0·76) 0·69 (0·63, 0·74)
AUC Female 0·71 (0·62, 0·80) 0·70 (0·65, 0·75) 0·72 (0·68, 0·75) 0·62 (0·62, 0·69)
AUC Overall 0·69 (0·61, 0·76) 0·71 (0·67, 0·75) 0·72 (0·69, 0·74) 0·67 (0·64, 0·70)
Multiple imputed dataset (15) Age, Gender, Education, Diabetes, Stroke, Hypertension, Smoking, TBI, Depression, Loneliness, Physical activity, Cognitive activity and Fish intake (9) Age, Gender, Education, Diabetes, Stroke, Smoking, TBI, Depression and Cognitive activity (11) Age, Gender, Education, Diabetes, Stroke, Smoking, Depression, Loneliness, Physical activity and Fish intake (13) Age, Gender, Education, Diabetes, Stroke, TBI, Hypertension, Smoking, Depression, Loneliness, Physical activity, Cognitive activity and Fish intake
n N=3068, M=1133, F=1935 N=853 M=353, F=498 N=2771, M=1132, F=1639 N=2176, M=575, F=1601
AUC Male 0·70 (0·60, 0·81) 0·76 (0·71, 0·82) 0·73 (0·69, 0·78) 0·67 (0·63, 0·72)
AUC Female 0·70 (0·64, 0·76) 0·75 (0·71, 0·80) 0·73 (0·70, 0·77) 0·64 (0·61, 0·67)
AUC Overall 0·70 (0·65, 0·76) 0·75 (0·72, 0·79) 0·73 (0·70, 0·75) 0·65 (0·63, 0·68)

Abbreviations:

TBI: Traumatic brain injury