7. Included publications with data on the 3 / 10 selected contraceptives and reference group non‐use (see also Table 8).

Design	Study	Study design	Non‐use	20 LNG	30 LNG	50 LNG
		n event / n total
1	van Hylckama Vlieg 2009	Case‐control	421 / 1,523	8 / 14	485 / 858	60 / 80
2	Lidegaard 2011	Cohort	1,812 / 4,960,730	‐	78 / 104,251	31 / 23,691
3	Parkin 2000	Case‐control	9 / 95	‐	2 / 6	0 / 2
4	Lidegaard 2002	Case‐control	458 / 2,738	‐	‐	12 / 28
5	Bloemenkamp 1999	Case‐control	83 / 511	‐	18 / 46	‐
6	Bloemenkamp 1995	Case‐control	46 / 150	‐	20 / 38	‐
7	Farmer 2000	Cohort	‐	‐	64 / 190,191	‐
8	Todd 1999	Cohort	‐	‐	22 / 49,484	‐
9	Farmer 1996	Cohort	‐	‐	5 / 35,800	‐
10	Jick 2006	Nested cae‐control	‐	‐	70 / 386	‐
11	Bird 2013	Cohort	‐	30 / 28,782	56 / 58,356	‐
	Jick 2011	Nested case‐control	‐	20 / 151	45 / 282	‐
12	Parkin 2011	Nested case‐control	‐	‐	44 / 233	‐
13	Lewis 1996	Case‐control	‐	‐	‐	‐
Design refers to the type and number of direct comparisons provided in a single study.
Studies with the same design provide direct comparisons of exactly the same generations or same individual oral contraceptives.