Table 7.3.a: Checklist of items to consider in data collection or data extraction

Items without parentheses should normally be collected in all reviews; items in square brackets may be relevant to some reviews and not others.

Source

  • Study ID (created by review author);

  • Report ID (created by review author);

  • Review author ID (created by review author);

  • Citation and contact details;

Eligibility

  • Confirm eligibility for review;

  • Reason for exclusion;

Methods

  • Study design;

  • Total study duration;

  • Sequence generation*;

  • Allocation sequence concealment*;

  • Blinding*;

  • Other concerns about bias*;

Participants

  • Total number;

  • Setting;

  • Diagnostic criteria;

  • Age;

  • Sex;

  • Country;

  • [Co-morbidity];

  • [Socio-demographics];

  • [Ethnicity];

  • [Date of study];

Interventions

  • Total number of intervention groups;

For each intervention and comparison group of interest:

  • ·         Specific intervention;

  • ·         Intervention details (sufficient for replication, if feasible);

  • ·         [Integrity of intervention];

Outcomes

  • Outcomes and time points (i) collected; (ii) reported*;

  • For each outcome of interest:

  • Outcome definition (with diagnostic criteria if relevant);

  • Unit of measurement (if relevant);

  • For scales: upper and lower limits, and whether high or low score is good;

Results

  • Number of participants allocated to each intervention group;

For each outcome of interest:

  • Sample size;

  • Missing participants*;

  • Summary data for each intervention group (e.g. 2´2 table for dichotomous data; means and SDs for continuous data);

  • [Estimate of effect with confidence interval; P value];

  • [Subgroup analyses];

Miscellaneous

  • Funding source;

  • Key conclusions of the study authors;

  • Miscellaneous comments from the study authors;

  • References to other relevant studies;

  • Correspondence required;

  • Miscellaneous comments by the review authors.

*Full description required for standard items in the ‘Risk of bias’ tool (See Chapter 8, Section 8.5).