Table 1.
Study group sociodemographic characteristics.
| Variable | Poland (n = 4065) % (n) |
Austria (n = 1750) % (n) |
p-Value |
|---|---|---|---|
| Maternal age: | ≤0.001 | ||
| <25 years | 4.7 (191) | 4.6 (80) | |
| 25–29 years | 32.5 (1320) | 26.1 (457) | |
| 30–34 years | 47.7 (1938) | 39.5 (692) | |
| 35–39 years | 13.6 (554) | 24.9 (436) | |
| ≥40 years | 1.5 (62) | 4.9 (85) | |
| Paternal age: | ≤0.001 | ||
| <25 years | 1.5 (59) | 2.0 (35) | |
| 25–29 years | 20.2 (823) | 14.3 (250) | |
| 30–34 years | 48.8 (1985) | 34.2 (598) | |
| 35–39 years | 22.7 (924) | 30.3 (531) | |
| ≥40 years | 6.7 (274) | 19.2 (336) | |
| Maternal education: | ≤0.001 | ||
| primary and vocational | 0.9 (38) | 26.2 (458) | |
| high school | 11.7 (477) | 3.6 (63) | |
| University | 87.3 (3550) | 70.2 (1229) | |
| Paternal education: | ≤0.001 | ||
| primary and vocational | 9.1 (373) | 45.0 (787) | |
| high school | 23.4 (950) | 6.6 (116) | |
| University | 67.5 (2742) | 48.4 (847) | |
| Household size: | ≤0.001 | ||
| 2 | 2.0 (81) | 2.2 (39) | |
| 3 | 62.3 (2531) | 47.1 (824) | |
| 4 | 28.3 (1149) | 37.8 (661) | |
| 5 | 5.5 (225) | 9.0 (158) | |
| ≥6 | 1.9 (79) | 3.9 (68) | |
| Number of children living in the household: | ≤0.001 | ||
| 1 | 67.8 (2758) | 48.9 (855) | |
| 2 | 27.8 (1129) | 36.6 (641) | |
| ≥3 | 4.4 (178) | 14.5 (254) | |
| Living area: | ≤0.001 | ||
| rural | 17.3 (705) | 56.3 (986) | |
| urban | 82.7 (3360) | 43.7 (764) | |
| Living macroeconomic region: | ≤0.001 | ||
| 47%–50% GDP EU-28 average | 13.9 (564) | - | |
| 51%–100% GDP EU-28 average | 62.7 (2550) | 5.5 (96) | |
| 101%–110% GDP EU-28 average | 23.4 (951) | 42.1 (737) | |
| 111%–130% GDP EU-28 average | - | 26.2 (459) | |
| 131%–150% GDP EU-28 average | - | 10.2 (179) | |
| >150% GDP EU-28 average | - | 15.9 (279) | |
| Average monthly income per capita 1: | ≤0.001 | ||
| 1st category | 1.5 (59) | 8.5 (149) | |
| 2nd category | 14.5 (588) | 20.8 (364) | |
| 3rd category | 32.7 (1328) | 31.4 (550) | |
| 4th category | 17.4 (706) | 26.4 (462) | |
| 5th category | 12.3 (499) | 10.6 (186) | |
| 6th category | 21.8 (885) | 2.2 (39) |
1 Average monthly income per capita categories depends on country: 1st category <500 PLN (Poland) or <1000 EUR (Austria); 2nd category 500–1000 PLN/1000–1500 EUR; 3rd category 1001–2000 PLN/1501–2000 EUR; 4th category 2001–2500 PLN/2001–3000 EUR; 5th category 2501–3000 PLN/3001–5000 EUR; 6th category ≥3001 PLN/≥5001 EUR.