Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.

Skip to main content

Table 2 Risk of bias assessment for all contributing studies

From: A systematic review of medical students’ and professionals’ attitudes and knowledge regarding medical cannabis

Study

Random sequence generation (selection bias)

Allocation concealment (selection bias)

Blinding of participants and personnel (performance bias)

Blinding of outcome assessment (detection bias)

Incomplete outcome data (attrition/nonresponse bias)

Selective reporting (reporting bias)

Ablin, et al.

?

?

?

?

?

Ananth, et al.

?

?

?

?

?

Balneaves, et al.

?

?

?

?

?

Bega, et al.

?

?

?

?

?

Berlekamp, et al.

?

?

?

?

?

Braun, et al.

?

?

?

Burke & Marx

?

?

?

?

Caligiuri, et al.

?

?

?

?

?

Carlini, et al.

?

?

?

?

?

Chan, et al.

?

?

?

?

?

Charuvastra, et al.

?

?

?

?

?

Cogswell & Harris

?

?

?

?

Crosby

?

?

?

?

?

Crowley, et al.

?

?

?

?

?

Doblin & Kleiman

?

?

?

?

?

Ebert, et al.

?

?

?

?

?

Fitzcharles, et al.

?

?

?

?

?

Hwang, et al.

?

?

?

?

?

Jacobs, et al.

?

?

?

?

?

Karanges, et al.

?

?

?

?

?

Kondrad & Reid

?

?

?

?

?

Kusturica, et al.

?

?

?

?

Lieff, et al.

?

?

?

?

Linn, et al.

?

?

?

?

?

Luba, et al.

?

?

?

?

?

Martins , et al.

?

?

?

?

?

?

Mathern, et al.

?

?

?

?

?

Mitchell, et al.

?

?

?

?

?

Moeller & Woods

?

?

?

?

Norberg, et al.

?

?

?

?

?

Philpot, et al.

?

?

?

?

?

Rapp, et al.

?

?

?

?

?

Ricco, et al.

?

?

?

?

?

?

Schwartz, et al.

?

?

?

?

?

Sideris, et al.

?

?

?

?

?

Stojanovic, et al.

?

?

?

?

Szyliowicz, et al.

?

?

?

?

?

?

Uritsky, et al.

?

?

?

?

?

Ziemianski, et al.

?

?

?

?

?

Zylla, et al.

?

?

?

?

?

  1. Key:
  2. ? = unclear risk
  3. X = high risk
  4. = low risk