Table 1

Inclusion and exclusion criteria to be applied to potentially eligible citations identified by the literature search

Inclusion criteriaExclusion criteria
PopulationAdults (age ≥18) with an intellectual and/or developmental disability ± a comparison group of adults with cancer and without an IDD.Cancer outcomes for adults are not reported separately from children.
IDD definition is not consistent with current approaches or cannot be confirmed.
ConceptAny cancer diagnosis occurring age ≥18
Studies reporting cancer outcomes or experiences occurring along the continuum, including risk, screening, diagnosis, treatment, end-of-life/survivorship and survival.
Studies where multiple health outcomes are reported, but cancer outcomes must be reported separately.
Biological, anatomical and/or social characteristics contributing to cancer outcomes or experiences for individuals with IDD.
Studies on health of adults with IDD where no cancer-related outcomes are reported/cancer-related outcomes not reported separately.
Primary focus is the relationship between cancer genes/pathways and IDD.
ContextEnglish and French
Original research articles (Random Controlled Trials, cohort study, case–control and cross-sectional)
Qualitative or quantitative
Papers published after 2000.
Opinion papers
Conference abstracts
Case reports
Systematic reviews, meta-analyses, network meta-analyses, narrative reviews, critical reviews and qualitative reviews
  • IDD, intellectual and developmental disabilities.