Table 5.
Sample characteristics
| Total | Migrants | Natives | |
|---|---|---|---|
| Sample size ranges in primary studies, n | 68–120,303 | 68–120,303 | 28–20,603 |
| Sample size, n (%) | 170,801 (100) | 127,949 (74.91) | 42,852 (25.09) |
| Gender, n (%) | |||
| Men | 80,606 (47.19) | 61,125 (49.54)a | 428 (12.84)b |
| Women | 90,196 (52.81) | 62,249 (50.46)a | 2905 (87.16)b |
| Age range in yearsc | 15–68 | 17–68 | 18–65 |
| Mean age | 41.40d | 36.44e | 46.41f |
| Migrants’ countries of origing, n (%) | |||
| Eastern Europe/Poland/Romania | 1278 (53.14) | ||
| Latin America | 384 (15.97) | ||
| Morocco | 250 (10.40) | ||
| Ghana | 200 (8.32) | ||
| Italy | 176 (7.32) | ||
| China | 117 (4.86) | ||
Those 1576 participants who were examined several times were considered only once for the calculation of all characteristics
aFor 4575 migrants, the gender distribution could not be calculated
bFor 39,519 natives, the gender distribution could not be calculated
cThe age range for 2947 participants was not reported
dThe weighted total mean age could not be calculated for 165,264 participants
eThe weighted mean age of migrants could not be calculated for 125,717 participants
fThe weighted mean age of natives could not be calculated for 39,547 participants
gEleven primary studies (n = 125,544 participants) did not focus on explicit regions/countries of origin