Table 4.

Associations between sociodemographic characteristics and negative attitudes toward, negative experience of, unwillingness to use or having made reference to copper-related or systemic side effects of the copper IUD, expressed as odds ratios (ORs) with 95% confidence intervals (CIs).

	Negative attitude OR (95% CI)	Negative experience OR (95% CI)	Unwillingness to use OR (95% CI)	Reference to copper-related/systemic side effects OR (95% CI)
Income
High	Reference	Reference	Reference	Reference
Medium	Inconclusive	Inconclusive	Inconclusive	Inconclusive
Low	1.55 (1.12–2.15)	1.92 (1.03–3.57)	Inconclusive	Inconclusive
Age
18–29	2.12 (1.55–2.90)	Inconclusive	2.38 (1.57–3.63)	Inconclusive
30–49	1.60 (1.21–2.12)	Inconclusive	2.90 (1.94–4.34)	Inconclusive
50–64	Reference	Reference	Reference	Reference