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Table 1 Quality Assesment

From: Interventions supporting cancer patients in making decisions regarding participation in clinical trials - a systematic review

Category of study designs

 

Kass et al. 2009 [32]

Brown et al. 2012 [33]

Dear et al. 2012 [34]

Hoffner et al. 2012 [35]

Mills et al. 2014 [36]

Skovlund et al. 2017 [37]

Sundaresan et al. 2017 [38]

Tattersal et al. 2017 [39]

Kamen et al. 2018 [40]

Polite et al. 2019 [41]

Screening questions (for all types)

S1. Are there clear research questions?

+

+

+

+

+

+

+

+

+

+

 

S2. Do the collected data allow the addressing of the research questions?

+

+

+

+

+

+

+

+

+

+

1. Qualitative

1. Qualitative

          
 

1.1. Is the qualitative approach appropriate to answer the research question?

N/A

N/A

N/A

N/A

+

+

N/A

N/A

N/A

N/A

 

1.2. Are the qualitative data collection methods adequate to address the research question?

N/A

N/A

N/A

N/A

+

+

N/A

N/A

N/A

N/A

 

1.3. Are the findings adequately derived from the data?

N/A

N/A

N/A

N/A

+

C/T

N/A

N/A

N/A

N/A

 

1.4. Is the interpretation of results sufficiently substantiated by data?

N/A

N/A

N/A

N/A

+

C/T

N/A

N/A

N/A

N/A

 

1.5. Is there coherence between qualitative data sources, collection, analysis, and interpretation?

N/A

N/A

N/A

N/A

+

C/T

N/A

N/A

N/A

N/A

2. Quantitative randomized controlled trials

2. Quantitative randomized controlled trials

          
 

2.1. Is random assignment appropriately performed?

-

N/A

+

+

N/A

N/A

+

+

+

N/A

 

2.2. Are the groups comparable at baseline?

+

N/A

+

+

N/A

N/A

+

+

+

N/A

 

2.3. Are there complete outcome data?

C/T

N/A

+

+

N/A

N/A

+

+

+

N/A

 

2.4. Are outcome assessors blinded to the intervention provided?

-

N/A

+

C/T

N/A

N/A

+

+

+

N/A

 

2.5. Did the participants adhere to the assigned intervention?

C/T

N/A

-

+

N/A

N/A

+

-

+

N/A

3. Quantitative nonrandomized

3. Quantitative nonrandomized

          
 

3.1. Are the participants representative of the target population?

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

C/T

 

3.2. Are measurements appropriate regarding both the outcome and intervention (or exposure)?

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

+

 

3.3. Are there complete outcome data?

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

+

 

3.4. Are the confounders accounted for in the design and analysis?

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

-

 

3.5. During the study period, is the intervention administered (or exposure occurred) as intended?

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

+

4. Quantitative descriptive

4. Quantitative descriptive

          
 

4.1. Is the sampling strategy relevant to address the research question?

N/A

+

N/A

N/A

N/A

C/T

N/A

N/A

N/A

N/A

 

4.3. Are the measurements appropriate?

N/A

+

N/A

N/A

N/A

+

N/A

N/A

N/A

N/A

 

4.4. Is the risk of nonresponse bias low?

N/A

+

N/A

N/A

N/A

+

N/A

N/A

N/A

N/A

 

4.5. Is the statistical analysis appropriate to answer the research question?

N/A

+

N/A

N/A

N/A

-

N/A

N/A

N/A

N/A

Score

 

3 (7)

7 (7)

6 (7)

6 (7)

7 (7)

2 (5) 5 (7)

7 (7)

6 (7)

7 (7)

5 (7)

  1. Note: Questions not applicable for the specific study design are marked NA; –, no; +, yes; C/T; can’t tell
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BMC Cancer

ISSN: 1471-2407

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