Testing times for dementia: a community survey identifying contemporary barriers to risk reduction and screening

Wilson, Nikki-Anne; Peters, Ruth; Lautenschlager, Nicola T.; Anstey, Kaarin J.

doi:10.1186/s13195-023-01219-4

Alzheimer's Research & Therapy

Table 4 Willingness to undertake dementia testing procedures and demographic variables

From: Testing times for dementia: a community survey identifying contemporary barriers to risk reduction and screening

			B	SE	p	OR	CI (95%)		χ²	p	PAC
			B	SE	p	OR	Lower	Upper	χ²	p	Constant	Model
Blood test									11.65	.040	59.2	59.7
(%Yes 59.2)	Gender (male)		0.20	0.17	.245	1.22	0.87	1.70
	Age group (18–39)				.025
		40–59	0.39	0.20	.056	1.47	0.99	2.19
		60 +	0.53	0.21	.010	1.70	1.13	2.56
	SES (low)				.204
		Average	0.37	0.23	.114	1.45	0.92	2.29
		High	0.37	0.23	.097	1.45	0.93	2.26
Saliva test									20.80	.001	59.9	62.6
(%Yes 59.9)	Gender (male)		0.35	0.17	.038	1.43	1.02	1.99
	Age group (18–39)				.023
		40–60	0.50	0.21	.015	1.65	1.10	2.47
		60 +	0.46	0.21	.026	1.59	1.06	2.39
	SES (low)				.011
		Average	0.70	0.24	.003	2.02	1.27	3.21
		High	0.51	0.23	.025	1.66	1.06	2.58
Genetic test									14.22	.014	57.6	59.6
(%Yes 57.5)	Gender (male)		0.43	0.17	.012	1.53	1.10	2.13
	Age group (18–39)				.079
		40–60	0.22	0.20	.286	1.24	0.84	1.84
		60 +	0.47	0.21	.024	1.59	1.06	2.39
	SES (low)				.378
		Average	0.32	0.23	.166	1.38	0.87	2.19
		High	0.23	0.23	.300	1.26	0.81	1.96
Lumbar puncture									5.13	.400	88.0	88.0
(%Yes 11.9)	Gender (male)		− 0.35	0.26	.168	0.70	0.43	1.16
	Age group (18–39)				.342
		40–61	0.19	0.32	.547	1.21	0.65	2.26
		60 +	0.45	0.31	.145	1.56	0.86	2.85
	SES (low)				.483
		Average	0.34	0.38	.379	1.40	0.66	2.96
		High	0.44	0.37	.228	1.56	0.76	3.21
Aroma test									6.95	.224	56.4	58.1
(%Yes 43.6)	Gender (male)		0.28	0.17	.093	1.32	0.95	1.84
	Age group (18–39)				.273
		40–62	0.27	0.20	.174	1.32	0.89	1.95
		60 +	0.29	0.20	.163	1.33	0.89	1.98
	SES (low)				.515
		Average	0.05	0.23	.837	1.05	0.66	1.66
		High	0.22	0.23	.326	1.25	0.80	1.94
Retinal imaging									14.91	.011	50.1	56.4
(%Yes 49.9)	Gender (male)		0.28	0.17	.091	1.33	0.96	1.84
	Age group (18–39)				.052
		40–63	0.36	0.20	.075	1.43	0.96	2.12
		60 +	0.47	0.20	.022	1.59	1.07	2.38
	SES (low)				.042
		Average	0.55	0.23	.019	1.73	1.09	2.74
		High	0.51	0.23	.025	1.66	1.07	2.59
Cognitive testing									20.18	.001	57.6	60.4
(%Yes 57.5)	Gender (male)		0.31	0.17	.067	1.36	0.98	1.90
	Age group (18–39)				.001
		40–64	0.23	0.20	.257	1.26	0.85	1.86
		60 +	0.79	0.21	.000	2.20	1.46	3.33
	SES (low)				.479
		Average	0.28	0.24	.238	1.32	0.83	2.09
		High	0.23	0.23	.321	1.25	0.80	1.95
Physiological testing									2.70	.746	60.4	60.4
(%Yes 39.6)	Gender (male)		0.07	0.17	.693	1.07	0.77	1.49
	Age group (18–39)				.384
		40–65	− 0.07	0.20	.732	0.93	0.63	1.39
		60 +	− 0.28	0.21	.176	0.76	0.50	1.13
	SES (low)				.741
		Average	0.18	0.24	.443	1.20	0.75	1.91
		High	0.10	0.23	.662	1.11	0.71	1.73
Modifiable risk factors									17.67	.003	55.7	57.6
(%Yes 44.3)	Gender (male)		0.51	0.17	.003	1.66	1.19	2.31
	Age group (18–39)				.143
		40–66	− 0.07	0.20	.735	0.93	0.63	1.39
		60 +	0.32	0.20	.114	1.38	0.93	2.06
	SES (low)				.064
		Average	0.39	0.24	.106	1.47	0.92	2.35
		High	0.54	0.23	.019	1.72	1.09	2.70

SES socio-economic status, B beta value, SE standard error, OR odds ratio, CI 95% confidence interval, PAC percentage accuracy in classification. Reference category shown in parentheses. Gender represents male and female only due to limited non-binary sample

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