Addi van Bergen

188 * S= social dimension; E=economic dimension; P=political dimension; C=cultural dimension; between brackets the number of items (if more than 1). A group of letters e.g. ES or EC indicates an aggregate measure based on the listed dimensions. ** GH=general health. SAH=self-assessed health. *** Code for results: + hypothesis confirmed i.e. high SE/low SI associated with adverse health outcome; ns no significant association; - hypothesis rejected i.e. low SE/high SI associated with adverse health outcome; +? high SE/low SI combined with adverse health, but no statistical testing; na=not applicable. $ P-value <.05 unless stated otherwise. OR’s and HR’s are given with the 95% confidence interval between brackets. Adj=adjusted for potential confounders. $$ Code for results: + - 0 see ***; +/0 hypothesis confirmed for 30-70% of SE/SI indicators and the remaining 70-30% not significant; x no statistical testing or no associations reported. # Specific methodological limitations: Limitations: 1, no theoretical motivation of the concept SE/SI; 2, data set not originally designed to measure SE/SI; 3, not all dimensions of SE/SI measured; 4, no composite measure SE/SI; 5, no existing SE/SI measure; 6, testing of association SE/SI -H was not a stated objective; 7, no adjustment for demographic and other potential confounding factors; ”, limitation partly present. For more details please see Supplementary file 4. Table S3b: Description of observational studies on the association between SE/SI and general health in high risk groups For footnotes see Table S3a. Reference Setting Population Sample size Indicators SE/ SI * Health measure** Statistical analysis Cross-sectional study Johner et al. [55] Canada Single mothers, 18-59 years 375 S1: social support; S2: social network diversity; S3: social network density; S4: sense of control; E: education GH: SAH Hierarchical logistic regression