TABLE 1.

Characteristics of survey distribution

Way of distribution	Survey sent	Survey forwarded	Total number of people receiving the survey	Completed surveys	Mentioned interventions
Alzheimer Europe network	45	24	69	18	27
INTERDEM network a	174	16	173	41	55
COTiD network	18	7	25	5	7
UK Older People Network b	3	0	2	0	0
Professional network of authors	31	4	35	9	9
Total	271	51	304	73	98

^a 17 non‐responses because of invalid e‐mail address (n = 14), retirement (n = 1) or research outside Europe (n = 3).

^b 1 non‐response because of invalid e‐mail address.