Table 1 Sample description by comparison groups
Germany (n = 5,337) | Turkey (n = 107) | Russia (n = 324) | Poland (n = 102) | |
|---|---|---|---|---|
Child gender: female (%) | 48,6 | 44,9 | 51,5 | 47,1 |
Child age: mean (SD) | 3.53 (2.15) (Range 0–8) | 3.46 (2.18) (Range 0–8) | 3.08 (2.18)** (Range 0–8) | 3.29 (2.16) (Range 0–8) |
Maternal age: Mean (SD) | 36.44 (4.94) (Range 19–54) | 34.47 (5.47)** (Range 22–49) | 32.36 (4.94)*** (Range 22–46) | 34.57 (5.20)** (Range 25–52) |
Region: West Germany (%) | 87,5 | 96,7** | 95,1** | 96,8** |
Mother’s years of education | 14.98 (2.98) (Range 8–19) | 10.73 (2.57)*** (Range 8–19) | 13.19 (2.83)*** (Range 8–19) | 14.22 (3.19) (Range 8–19) |
Number of children in household: Mean (SD) | 2.01 (.80) (Range 1–9) | 2.57 (1.03)*** (Range 1–6) | 2.20 (1.21)** (Range 1–9) | 1.82 (.76) (Range 1–5) |