Patterns of contraceptive use among young Australian women with chronic disease: findings from a prospective cohort study

Table 1 Prevalence of chronic disease over time (2013–2017) among Australian women born 1989–1995

Chronic disease	Survey 1 (2013) Aged 18–24		Survey 3 (2015) Aged 20–26		Survey 5 (2017) Aged 22–28
Chronic disease	n	%	n	%	n	%
Any chronic disease	2674	18.9	1707	21.8	1628	22.6
Diabetes	388	2.7	289	3.7	282	3.9
Cardiac disease	277	2.0	206	2.6	208	2.9
Asthma	2028	14.3	1238	15.8	1160	16.1
Autoinflammatory arthropathies	179	1.3	122	1.6	116	1.6
Inflammatory bowel disease	56	0.4	48	0.6	52	0.7
Thyroid disease	145	1.0	112	1.4	122	1.7
Multiple sclerosis	13	0.1	18	0.2	22	0.3
Autoinflammatory disease^a	405	2.9	302	3.9	297	4.1

Number of women in 2013 (N = 14,150); 2015 (N = 7821); 2017 (N = 7217)
^aIncludes autoinflammatory arthropathies, inflammatory bowel disease, thyroid disease and multiple sclerosis

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