Table 1.
Characteristics of the Austrian mothers’ population [29] and study sample (n = 1214) at different time points.
| Characteristic of Mothers | Population in Austria (%) | n | Sample 14 days (%) | n | Sample 4 mos. (%) | n | Sample 6 mos. (%) | n | Sample 12 mos. (%) | n |
|---|---|---|---|---|---|---|---|---|---|---|
| Age at delivery (year) | ||||||||||
| 18–24 | 10.8 * | 9171 | 7.7 | 93 | 7.0 | 72 | 6.0 | 58 | 5.0 | 47 |
| 25–29 | 29.0 | 24,621 | 26.8 | 325 | 25.8 | 265 | 26.0 | 253 | 26.1 | 246 |
| 30–34 | 34.8 | 29,550 | 38.9 | 472 | 39.9 | 409 | 40.4 | 394 | 40.6 | 383 |
| 35–39 | 19.7 | 16,770 | 21.1 | 256 | 21.8 | 224 | 21.9 | 213 | 22.6 | 213 |
| ≥40 | 4.4 | 3731 | 5.5 | 68 | 5.5 | 56 | 5.7 | 56 | 5.7 | 54 |
| Educational level | ||||||||||
| Low (ISCED 0–2) | 10.1 ** | 8229 | 4.0 | 49 | 2.6 | 27 | 2.0 | 19 | 2.2 | 21 |
| Middle (ISCED 3–4) | 47.1 ** | 38,474 | 52.0 | 631 | 51.7 | 530 | 50.7 | 494 | 49.5 | 467 |
| High (ISCED 5–8) | 13.1 ** | 10,722 | 44.0 | 534 | 45.7 | 469 | 47.3 | 461 | 48.3 | 455 |
| State/Residence | ||||||||||
| Vienna | 23.5 | 19,935 | 23.3 | 283 | 19.8 | 203 | 19.4 | 189 | 18.7 | 176 |
| Vorarlberg | 5.1 | 4319 | 4.7 | 57 | 4.7 | 48 | 4.7 | 46 | 5.0 | 47 |
| Tyrol | 8.9 | 7522 | 7.9 | 96 | 8.0 | 82 | 8.4 | 82 | 8.4 | 79 |
| Styria | 12.9 | 10,970 | 14.7 | 179 | 14.9 | 153 | 15.0 | 146 | 14.9 | 141 |
| Salzburg | 6.8 | 5780 | 7.3 | 89 | 7.5 | 77 | 7.5 | 73 | 7.4 | 70 |
| Upper Austria | 17.7 | 15,057 | 16.1 | 196 | 17.1 | 175 | 17.2 | 167 | 17.7 | 167 |
| Lower Austria | 17.2 | 14,652 | 17.8 | 216 | 19.3 | 198 | 19.7 | 192 | 19.5 | 184 |
| Carintia | 5.3 | 4485 | 5.0 | 61 | 5.8 | 60 | 5.3 | 52 | 5.6 | 53 |
| Burgenland | 2.6 | 2232 | 3.0 | 37 | 2.9 | 30 | 2.8 | 27 | 2.8 | 26 |
* 20–24 year olds; ** data from 2014; mos. = months; ISCED = International Standard Classification of Education (UNESCO).