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Table 5 Multinomial mixed-effect models for the effect of chronic disease status on contraceptive use for Australian women, aged 18 to 28 across three time points (2013, 2015 and 2017)

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

Model

Chronic disease status

Condom

OR (95% CI)

Pill and condom

OR (95% CI)

aLARC and condom

OR (95% CI)

Other and condom

OR (95% CI)

None

OR (95% CI)

1

Any physical chronic disease

0.90 (0.80, 1.02)

1.23 (1.02, 1.48)

1.14 (1.00, 1.29)

1.29 (1.07, 1.57)

0.92 (0.82, 1.02)

2

Cardiac disease

1.36 (0.97, 1.91)

1.39 (1.03, 1.89)

1.53 (0.92, 2.55)

2.20 (1.34, 3.59)

1.54 (1.10, 2.16)

3

Diabetes

0.86 (0.66, 1.12)

1.10 (0.73, 1.67)

1.06 (0.80, 1.41)

1.18 (0.78, 1.79)

0.95 (0.75, 1.21)

4

Asthma

0.89 (0.78, 1.02)

1.15 (0.93, 1.41)

1.04 (0.90, 1.20)

1.22 (0.98, 1.51)

0.88 (0.78, 1.00)

5

Autoinflammatory disease

0.90 (0.67, 1.19)

1.38 (1.09, 1.75)

1.58 (1.04, 2.41)

1.69 (1.11, 2.57)

1.03 (0.77, 1.38)

  1. Reference latent status = Status 4 (“Pill”); reference level for chronic disease status = disease not present
  2. Each model controlled for age, country of birth, area of residence, highest educational qualification, work status, managing on available income, smoking status, alcohol consumption, body mass index, psychological distress, history of pregnancy, history of termination, history of miscarriages, menstrual symptoms, history of polycystic ovary syndrome, history of endometriosis, and survey wave
  3. aLARC refers to the use of hormonal long-acting reversible contraception (progestogen-only implant and the progestogen IUD). Copper IUD is included as part of “other” contraception