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Table 1 Details of the systematic literature search (all searches conducted in English with no language restrictions)

From: A positive association between anxiety disorders and cannabis use or cannabis use disorders in the general population- a meta-analysis of 31 studies

Search Search terms Databases and timeframes
Search 1 N = 131 Subject OR Title (cannabis or marijuana or marihuana) AND Subject OR Title (“affective disorder” or “anxiety disorder” or anxiety) NOT (mouse or mice or rat or rats) PsycInfo (1806-March 2013)
Search 2 N = 168 Subject OR Title (cannabis or marijuana or marihuana) AND Subject OR Title (“affective disorder” or “anxiety disorder” or anxiety) AND Keyword (misus* or abus* or depend* or "harmful use" or "harmful usage") NOT (mouse or mice or rat or rats) Medline (1950-March 2013)
N = 256 Total N from both searches excluding duplicates
  1. Note: Additional N = 11 studies were obtained from other meta-analyses being conducted by the authors, hand-searches of bibliographies of retrieved sources, and from the bibliography of Moore et al.[10].
  2. N = number of sources identified during each search.