Table 4. Proportion of people with a non-communicable disease, who have another non-communicable disease, all ages, Aotearoa New Zealand, 2018.

Subgroup	Proportion of each subgroup who also have the health condition below (%)									2+ health conditions (%)	Mean number of health conditions	Total
	Dementia	Stroke	CHD	Gout	Cancer	COPD	Diabetes	MH	TBI
Dementia		18.7	32.3	12.5	22.2	22.4	24.3	50.7	25.6	87.4	3.09	28 671
Stroke	12.6		29.7	16.6	19.3	20.2	30.3	26.9	20.2	78.2	2.76	42 429
CHD	6.2	8.4		18.1	17.4	21.5	32.1	15.6	13.0	70.5	2.32	149 424
Gout	2.1	4.1	15.7		12.9	13.5	30.9	9.5	10.0	59.3	1.99	172 269
Cancer	3.5	4.5	14.2	12.2		13.8	18.2	10.5	10.2	51.3	1.87	182 052
COPD	3.3	4.4	16.5	11.9	12.9		21.0	14.3	11.5	55.0	1.96	194 592
Diabetes	2.2	4.0	14.8	16.4	10.2	12.6		11.7	9.3	50.8	1.81	324 447
MH	4.2	3.3	6.7	4.7	5.5	7.9	10.8		21.3	41.5	1.64	349 350
TBI	1.6	1.8	4.1	3.7	4.0	4.8	6.4	15.8		28.6	1.42	470 169
Total population	0.6	0.9	3.1	3.6	3.8	4.1	6.8	7.3	9.8	7.8	1.40	4 789 287

Note: COPD, ; CHD, coronary disease; MH, mental health, and behavioural conditions; TBI, .Ordered from least to most common condition. Patterns will be affected by the mean age of participants in each health condition group. Data wasere provided by Statistics New Zealand.

CHDcoronary heart diseaseCOPDchronic obstructive pulmonary diseaseMHmental healthTBItraumatic brain injury