Table 1. Barking and Dagenham and Clinical Practice Research Datalink sample characteristics.

	MLTCs/healthy co-resident	Both MLTCs	Healthy/MLTCs co-resident	Both healthy	All participants
	n	row %	n	row %	n	row %	n	row %	n	col %
B & D sample	2049	22.2	1884	20.4	3240	35.1	2049	22.2	9222	100.0
Age , years
50–59	337	14.4	205	8.8	1240	53.1	554	23.7	2336	25.3
60–69	620	20.9	566	19.1	1124	37.9	655	22.1	2965	32.2
70–79	644	26.0	663	26.8	595	24.0	575	23.2	2477	26.9
≥80	448	31.0	450	31.2	281	19.5	265	18.4	1444	16.7
Sex
Male	1044	22.7	928	20.1	1640	35.6	997	21.6	4609	50.0
Female	1005	21.8	956	20.7	1600	34.7	1052	22.8	4613	50.0
IMD quintile
1 (least deprived)	0	0	0	0	0	0	0	0	0	0
2	0	0	0	0	0	0	0	0	0	0
3	192	21.7	163	18.4	339	38.3	192	21.7	886	9.6
4	768	22.5	617	18.1	1263	37.0	770	22.5	3418	37.1
5 (most deprived)	1089	22.1	1104	22.4	1638	33.3	1087	22.1	4918	53.3
Carer code
Present	134	31.2	158	36.8	81	18.9	56	13.1	429	4.7
Not present	1915	21.8	1726	19.6	3159	35.9	1993	22.7	8793	95.3
CPRD sample	2107	20.0	2940	27.9	3374	32.0	2107	20.0	10 528	100.0
Age , years
50–59	530	15.8	372	11.1	1770	52.7	687	20.5	3359	31.9
60–69	791	21.4	915	24.7	1179	31.8	817	22.1	3702	35.2
70–79	568	22.7	1081	43.3	377	15.1	471	18.9	2497	23.7
≥80	218	22.5	572	59.0	48	4.9	132	13.6	970	9.2
Sex
Male	1171	22.3	1464	27.8	1697	32.3	928	17.6	5260	50.0
Female	936	17.8	1476	28.0	1677	31.8	1179	22.4	5268	50.0
IMD quintile
1 (least deprived)	728	20.0	871	24.0	1306	35.9	729	20.1	3634	34.5
2	491	19.8	674	27.1	825	33.2	496	20.0	2586	24.6
3	426	20.2	598	28.3	662	31.4	425	20.1	2111	20.1
4	302	19.9	510	33.6	410	27.0	296	19.5	1518	14.4
5 (most deprived)	160	20.5	287	36.8	171	22.0	161	20.7	779	7.4
Carer code
Present	48	12.4	197	52.7	48	12.4	81	21.7	374	3.6
Not present	2059	20.3	2743	27.0	3326	32.8	2026	20.0	10154	96.4

B & D = Barking and Dagenham. CPRD = Clinical Practice Research Datalink. IMD = Index of Multiple Deprivation. MLTCs = multiple long-term conditions.