Table 1.

Attitudes of women towards extended regimen contraception: results of representative surveys of reproductive aged women^{25 , 26 , 61 , 63 , 67}.

				Desired frequency of menstruation (%)			Prior use of hormonal contraceptives to delay withdrawal bleeding (%)	Would consider or have an interest in using COCs to manipulate scheduled bleeding (%)
Reference	Region	N	Population	Monthly	Less than monthly	Never
Andrist et al., 200425	USA	1470	Women aged 18–40 years	41	59	33	22	60
Glasier et al., 200367	China	200	Women attending family planning clinics	42	39	6	0	37
	Nigeria	200		71	12	13	20	73
	Scotland, UK	200		33	20	37	23	65
	South Africa	68 black women		49	27	9	60	52
			66 white women		30	26	29	32	64
Lakehomer et al., 201326	USA	1719	Female university students aged ≥18 years	33	40	28	17% of 1374 users altered regimen by not following contraceptive instructions	NR
Merki-Feld et al., 201463	Switzerland	292	Women of childbearing age	37	32	30	NR	44
Wiegratz et al., 200461*	Germany	310	15- to 19-year-old women	26	27	41	22	74
		295	25- to 34-year-old women	35	22	37	35	50

*Percentages may not total 100% due to women who did not answer the question.

NR, not reported.