6. Coping scales reported by trials.

Scale	Number of items	Score for each item1	Total score	Interpretation	Description2	Trials
Coping Self‐Efficacy Scale (CSES) (Chesney 2006)	26	0 (cannot do at all) to 10 (certain can do)	0 to 260	Higher scores indicate better coping skills	Participants rate the extent to which they believe they could perform behaviours important to adaptive coping	Chesney 2003; Heckman 2007
Cognitive Behavioral Self Efficacy (CB‐SE) (Ironson 1987)	7	0 (not at all) to 4 (all of the time)	0 to 28	Higher scores indicate higher self‐efficacy	Participants rate their certainty that they could perform certain skills related to AIDS, and antiretroviral medication adherence	Jones 2010
Dealing with Illness Scale ‐ coping subscale (DIS) (McCain 1992)	40	0 (never used) to 3 (regularly used)	0 to 120	Higher scores reflect more frequent use of the various coping strategies.	The DIS is a 40‐item coping subscale modelled on the Revised Ways of Coping Checklist. Participants rate the frequency that thoughts or behaviours have been used to deal with problems and stresses over the past month.	McCain 2003
'Avoidant Coping Scale' Created from 23 items taken from 'The ways of Coping Questionnaire' and 'the Coping with AIDS Scale' (Sikkema 2013)	23	0 (not at all) to 3 (used a great deal)	0 to 69	Higher scores reflect more frequent use of coping strategies	Participants rate how often they have used avoidant strategies for coping	Sikkema 2013

¹The exact responses may vary between items.
 ²The descriptions in this table represent our best understanding of the scale derived from the description provided by the included studies and other information available through Internet searches. The exact scale used in the trials may have differed.