Table 2 Quality appraisal
Reference | Data collection | Representativeness | Exposure: immigration | Outcome: Chronic pain | Study design | Total | Quality |
|---|---|---|---|---|---|---|---|
Kesh 2021 [12] | 0 | -1 | -1 | -1 | -1 | -4 | poor |
Strømme 2020 [13] | 0 | 0 | 1 | 1 | 1 | 3 | high |
Strømme 2020 [14] | 0 | 0 | 1 | 1 | 0 | 2 | high |
Rosenkrands 2020 [15] | 0 | -1 | -1 | 0 | -1 | -3 | low |
Dragioti 2020 [16] | 0 | 1 | 1 | 1 | 1 | 4 | excellent |
Waxenegger 2017 [17] | 0 | 1 | 0 | -1 | 1 | 1 | moderate |
Pfortmueller 2016 [18] | 0 | 1 | 1 | -1 | -1 | 0 | moderate |
Führer 2016 [19] | 0 | 0 | -1 | -1 | -1 | -3 | low |
Teodorescu 2015 [20] | 0 | -1 | 0 | 1 | -1 | -1 | moderate |
Carneiro 2012 [21] | -1 | 0 | 0 | 0 | 1 | 0 | moderate |
Kurita 2012 [22] | 0 | 1 | 1 | 1 | 1 | 4 | excellent |