12. Description of interventions: Cap + Fixed co‐payment.

Rev ID	Intervention	Comparision	Population	Medicines addressed in the paper	Exemptions/ Modifiers	Intervention period	Results
Andersson 2006 (3)	Structure of co‐payment changed for per dispensing occasion: maximum SEK 125 for 1 prescription + SEK 25 per additional prescription and increased annual co‐payment maximum (SEK 1700)	Annual co‐pay max SEK 1600	Swedish population	Indicators groups: (1) Acetic acid derivates and related substances (M01AB), a group of non‐steroidal anti‐inflammatory medicines (NSAIDs). Medicines in the group: Acetic acid derivatives could also be affected by RBP, as patents had expired when RBP was introduced in 1993 (2) Selective serotonin‐reuptake inhibitors, SSRIs (N06AB), a group of antidepressants	Not reported	January 1, 1993‐December 31, 1996
Ong 2003 (1)	160 initial fixed co‐payments, after which patients pay 60 SEK for additional medicines	Co‐payment per dispensing occasion: maximum SEK 125 for 1 prescription + SEK 25 per additional prescription and increased annual co‐payment maximum (SEK 1700)	All outpatients from Stockholm, Sweden	Antidepressants Sedatives	Not reported	July 1994‐July 1995