Table 1.
Description of included studies
| N = 29 | ||
|---|---|---|
| n (%) | References | |
| General characteristics of the study | ||
| Receiving countries | ||
| Italy | 6 (21) | [16, 20–22, 30, 32] |
| Denmark | 2 (7) | [13, 36] |
| England | 1 (3) | [15] |
| Switzerland | 2 (7) | [31, 34] |
| Germany | 4 (14) | [21, 23, 24, 37] |
| France | 1 (3) | [35] |
| The Netherlands | 5 (17) | [18, 19, 25, 26, 29] |
| Portugal | 2 (7) | [11, 12] |
| Spain | 2 (7) | [14, 38] |
| Belgium | 1 (3) | [17] |
| Multi-country analysisa | 1 (3) | [27] |
| Multi-country analysisb | 2 (10) | [28, 39] |
| Type of health services | ||
| Primary healthcare services | 19 (66) | [11–21, 23, 25–27, 29, 36–38] |
| Hospital services | 19 (66) | [11, 12, 14–17, 23, 24, 27, 29–38] |
| Outpatient specialist services | 17 (59) | [12, 14–16, 18, 19, 23, 24, 26–29, 34, 36–39] |
| A&E services | 15 (48) | [11, 12, 14–18, 23, 26, 27, 33, 35–38] |
| Not defined | 1 (3) | [17] |
| Characteristics of undocumented migrants in the study | ||
| Number of undocumented migrants included | ||
| Up to 100 | 6 (21) | [14, 15, 17, 36, 38, 39] |
| Between 100 and 1000 | 18 (62) | [11–13, 16–19, 23–29, 32–35] |
| Over 1000 | 5 (17) | [20, 21, 30, 31, 37] |
| Percentage of undocumented migrants of total sample size | ||
| 0–9 | 4 (14) | [31–33, 39] |
| 10–49 | 8 (28) | [11, 12, 17, 19, 24, 28, 35, 38] |
| 50–99 | 2 (7) | [25, 37] |
| 100 | 15 (52) | [13–18, 20, 23, 26, 27, 29, 30, 34–36] |
| Information on place of birth | ||
| Specific country of birth | 6 (21) | [14, 16, 17, 21, 35, 36] |
| Specific region of birth | 13 (45) | [12, 13, 20, 23, 24, 26, 29–35] |
| Country and region of birth | 5 (17) | [11, 18, 25, 37, 38] |
| Non-specific | 5 (18) | [15, 17, 27, 28, 39] |
| Information on type of migration | ||
| Yes | 6 (21) | [14, 18, 26, 34–36] |
| No | 23 (79) | [11–13, 15–17, 19–25, 27–33, 37–39] |
| Methodological characteristics | ||
| Study design | ||
| Quantitative | 20 (69) | [11–13, 16–22, 25, 26, 28–35, 37, 38] |
| Cross-sectional | 18 (62) | [11–13, 16, 17, 19–22, 28–33, 35, 37, 38] |
| Cohort | 2 (7) | [25, 34] |
| Qualitative | 7 (24) | [14, 15, 23, 24, 27, 36, 39] |
| Mixed methods | 2 (7) | [18, 26] |
| Data source | ||
| Registry | 9 (31) | [13, 19–22, 25, 30, 32, 37] |
| Survey | 8 (28) | [11, 12, 16, 17, 28, 34, 35, 38] |
| Registry and survey | 3 (10) | [29, 31, 33] |
| Interview | 4 (14) | [14, 15, 27, 39] |
| Observation | 0 (0) | |
| Interview and observation | 3 (10) | [23, 24, 36] |
| Multiple data sources | 2 (7) | [18, 26] |
| Adjustment | ||
| Defined | 13 (45) | [11, 12, 18–20, 22, 25, 29, 31–35] |
| Not done/not applicable | 16 (55) | [13–17, 21, 23, 24, 26–28, 30, 36–39] |
aIncludes Finland, Sweden, Austria, Belgium, Denmark, Germany, Greece, Hungary, Lithuania, Poland, the UK, France, Italy, the Netherlands, Portugal and Spain
bIncludes Austria, Belgium, Czech Republic, France, Italy, Germany, Hungary, Ireland, The Netherlands, Poland, Portugal, Spain, Sweden and the UK