Table 3 Data extraction information
Category | Information to be extracted |
|---|---|
Study information | Author, year Country Name of study Sample size Age Sex (% female/male) Overall conclusion on income inequality and individual health |
Exposure | Measure of income inequality used |
Outcome | Measure of association (e.g. RR, HR, ORs) Measurement of mortality or self-reported health Number of cases |
Confounding variables | Individual-level confounding variables (such as individual or household income) Data sources for individual-level confounding Area-level confounding variables and data sources (if area-level variables were conditioned upon) |
Statistical analysis | Method of analysis |
Additional factors impacting statistical heterogeneity/transportability | Area type (country, state, municipality, etc.) US or non-US Population density |