Table 3.

Unadjusted multinomial logistic regression of association between contraceptive attribute included in the top three ranked and contraceptive method chosen at the time of enrollment into the Contraceptive CHOICE Project (referent group: oral contraceptive pills).

	LNG-IUS	Copper IUD	Implant	DMPA	Ring	Patch
Effectiveness	1.54 (1.04–2.28)	1.34 (0.85–2.10)	1.40 (0.91–2.16)	1.09 (0.64–1.86)	1.39 (0.72–2.67)	0.51 (0.21–1.23)
Safety	0.85 (0.61–1.18)	0.86 (0.59–1.26)	1.13 (0.78–1.64)	1.12 (0.71–1.78)	1.02 (0.60–1.74)	0.88 (0.37–2.09)
Side effects	0.63 (0.46–0.86)	0.84 (0.59–1.20)	0.51 (0.36–0.72)	0.68 (0.45–1.04)	0.82 (0.50–1.35)	0.66 (0.29–1.48)
The method is long lasting	3.88 (2.02–7.47)	4.40 (2.21–8.75)	4.43 (2.26–8.71)	3.34 (1.56–7.16)	0.19 (0.02–1.47)	4.00 (1.25–12.78)
Forgettable	8.69 (3.80–19.82)	6.86 (2.88–15.92)	6.60 (2.83–15.38)	4.92 (1.95–12.43)	4.29 (1.56–11.81)	6.82 (1.92–24.20)
Whether it protects against sexually transmitted infections	0.67 (0.43–1.06)	0.55 (0.32–0.96)	1.22 (0.76–1.90)	1.27 (0.72–2.26)	0.61 (0.27–1.35)	0.47 (0.11–2.10)
Not having irregular or unpredictable bleeding	0.69 (0.43–1.10)	0.46 (0.25–0.83)	0.56 (0.32–0.95)	0.90 (0.48–1.69)	0.75 (0.34–1.63)	0.25 (0.03–1.91)
Having a regular period every month	0.35 (0.22–0.54)	0.52 (0.31–0.86)	0.40 (0.24–0.66)	0.24 (0.11–0.53)	0.86 (0.44–1.67)	1.32 (0.50–3.54)

All values are odds ratios and 95% confidence intervals. Statistically significant values are bolded.

LNG-IUS – levonorgestrel intrauterine system; IUD – intrauterine device; DMPA – depot medroxyprogesterone acetate;