Timepoint data collected
1 = Baseline
2 = 5-6 months
3 = 12 months

Pre or post randomisation
1 = baseline
2 = Follow up

Name of data collector
1 = Andrew Sommerlad
2 = Ritchard Ledgerd
3 = Tom Freeth
4 = Tara Harvey
5 = Charlotte Stoner
6 = Neelam Laxham
7 = Moise Roche
8 = Hannah Rollmann
9 = James Sinclair

Randomisation
1 = intervention
2 = control

GP practice
1 = Azim, Grovemead
2 = Everglade
3 = Belsize Priory
4 = Mathukia's Surgery
5 = Tulasi
6 = Bridge House
7 = Hampton
8 = Petersfield
9 = Haiderian
10 = Hampstead Group
11 = Parkview
12 = Davenport House
13 = Lister House
14 = Mulberry Practice
15 = Churchill
16 = Milton House
17 = Wallace House
18 = Derwent Crescent
19 = Dr Bhadra’s
20 = Orford Lodge
21 = Shoreditch Park
22 = Chrisp Street Practice

Memory service
1 = C11 - Camden
2 = I831 - EMDASS East
3 = I832 - EMDASS North
4 = G32 - Havering
5 = L32 - Redbridge
6 = N31 - Waltham Forest
7 = A32 - Barking & Dagenham
8 = I833 - EMDASS North West
9 = F21 - Haringey
10 = B21 - Barnet
11 = M41 - Tower Hamlets
12 = K41 - Newham
13 = D41 - City & Hackney

1 = Male
2 = Female

Ethnicity
1 = White
2 = Asian
3 = Black
4 = Chinese
5 = Mixed Race
6 = Other
7 = Unable to specify

Other identified ethnicity
1 = Philippines
2 = Colombian
3 = Alexandrian
4 = North African

Marital status
1 = Single
2 = Widowed
3 = Married/living with partner
4 = Divorced/separated
5 = Civil Partner
6 = Other
7 = Unable to specify

Living situation
1 = Living in the community alone
2 = Living in the community with other relatives
3 = Living in the community with friends/ other people
4 = Living in a Care home
5 = Other
6 = Unable to specify
7 = Sheltered/supportive living

Level of education
1 = No education
2 = Primary
3 = Secondary
4 = Post Secondary
5 = Unable to specify

Other cognitive scales
0 = N/A
1 = ACE III
2 = London Cognitive Assessment
3 = ACE-R
4 = MOCA
5 = RUDAS
6 = 6 Item Cognitive Test
7 = SLUMS
8 = Not known

GP recorded cognitive scales
0 = N/A
1 = MMSE
2 = AMT
3 = Six item CIT
4 = Not known

Diagnosis given
0 = N/A
1 = Diagnosis of dementia
2 = Diagnosis of MCI
3 = Other psychiatric diagnosis
4 = No diagnosis of dementia or MCI
5 = Assessment ongoing
6 = Incomplete assessment
7 = No assessment offered
8 = Diagnosed previously

Assessment incomplete
0 = N/A
1 = Patient deceased
2 = Patient refused
3 = Patient moved away
4 = Other
5 = Lost to follow up
6 = Family member refused
7 = Did not attend
8 = Referred on for specialist assessment

No assessment offered
0 = N/A
1 = Patient deceased
2 = Patient admitted to hospital
3 = Patient admitted to care home
4 = Patient moved away
5 = Inappropriate referral
6 = Did not attend
7 = Patient refused
8 = Patient referred for specialist assessment
9 = Lost to follow up
10 = Referred for carers assessment

Information has been updated
1 = Yes
2 = No

Rerefferal to memory clinic
0 = No
1 = Yes

Has a cognitive score
1 = Yes
2 = No
3 = GP score only

0 = Not Selected
1 = Selected