Table 1.
Prevalence of adverse pregnancy outcomes in singleton births according to mother’s socioeconomic position and neighborhood socioeconomic level in Barcelona, Spain, 2000–2005
| Births | Birth outcomes | |||||||
|---|---|---|---|---|---|---|---|---|
| LBW (Singleton) | PM (Singleton) | SGA P3 (All births) | ||||||
| Number | Percent | Number | P | Number | P | Number | P | |
| Total | 3,931 | 5.6 | 3,395 | 5.6 | 1,741 | 2.8 | ||
| Maternal age | ||||||||
| 12–19 years | 841 | 1.4 | 74 | 8.8 | 79 | 9.4 | 29 | 3.4 |
| 20–24 years | 3,750 | 6.3 | 243 | 6.5 | 257 | 6.9 | 126 | 3.3 |
| 25–34 years | 37,160 | 62.6 | 1,890 | 5.1 | 1,871 | 5.0 | 1,044 | 2.7 |
| 35–49 years | 17,569 | 29.6 | 1,072 | 6.1 | 1,073 | 6.1 | 542 | 2.9 |
| Country of origin | ||||||||
| Spain | 49,103 | 82.9 | 2,761 | 5.6 | 2,657 | 5.4 | 1,488 | 2.9 |
| Developed countries | 1,736 | 3.0 | 75 | 4.3 | 94 | 5.4 | 31 | 1.7 |
| Eastern Europe | 578 | 1.0 | 31 | 5.4 | 48 | 8.3 | 15 | 2.5 |
| Maghrib (North Africa) | 857 | 1.4 | 34 | 4.0 | 32 | 3.7 | 20 | 2.3 |
| Africa | 194 | 0.3 | 9 | 4.6 | 11 | 5.7 | 8 | 3.4 |
| Central and South America | 5,161 | 8.7 | 265 | 5.1 | 329 | 6.4 | 117 | 2.2 |
| Asia | 1,159 | 2.0 | 71 | 6.1 | 62 | 5.4 | 45 | 3.8 |
| (Missing) | 532 | 0.9 | 33 | 6.2 | 47 | 8.8 | 17 | 3.5 |
| Parity | ||||||||
| Primiparous | 30,330 | 51.1 | 1,837 | 6.1 | 1,673 | 5.5 | 927 | 3.0 |
| Not primiparous | 28,990 | 48.9 | 1,442 | 5.0 | 1,607 | 5.5 | 814 | 2.6 |
| Sex of the newborn | ||||||||
| Male | 30,397 | 51.2 | 1,516 | 5.0 | 1,791 | 5.9 | 926 | 2.9 |
| Female | 28,293 | 48.8 | 1,763 | 6.1 | 1,489 | 5.2 | 815 | 2.7 |
| Percentage of unemployment in quintiles (2001) | ||||||||
| Q1 (less) | 708 | 4.5 | 764 | 4.9 | 358 | 2.2 | ||
| Q2 | 699 | 5.7 | 679 | 5.6 | 358 | 2.8 | ||
| Q3 | 821 | 5.4 | 782 | 5.2 | 450 | 2.9 | ||
| Q4 | 679 | 6.2 | 673 | 6.2 | 378 | 3.3 | ||
| Q5 (more) | 372 | 6.9 | 382 | 7.1 | 197 | 3.5 | ||
| Percentage of illiterate or insufficient instruction in quintiles (2004) | ||||||||
| Q1 (less) | 708 | 4.6 | 747 | 4.8 | 362 | 2.2 | ||
| Q2 | 785 | 5.6 | 775 | 5.5 | 398 | 2.7 | ||
| Q3 | 611 | 5.4 | 612 | 5.4 | 327 | 2.8 | ||
| Q4 | 751 | 6.1 | 733 | 6.0 | 407 | 3.1 | ||
| Q5 (more) | 424 | 7.1 | 413 | 7.0 | 247 | 4.0 | ||
| Percentage of people from developing countries in quintiles (2004) | ||||||||
| Q1 (less) | 615 | 4.7 | 661 | 5.1 | 332 | 2.4 | ||
| Q2 | 786 | 5.5 | 773 | 5.4 | 413 | 2.8 | ||
| Q3 | 837 | 6.1 | 811 | 5.9 | 447 | 3.1 | ||
| Q4 | 677 | 5.4 | 668 | 5.3 | 362 | 2.7 | ||
| Q5 (more) | 364 | 6.7 | 367 | 6.7 | 187 | 3.3 | ||
| Change in the percentage of foreigners in quintiles (2000-2005) | ||||||||
| Q1 (less) | 561 | 4.8 | 634 | 5.4 | 294 | 2.4 | ||
| Q2 | 927 | 5.6 | 893 | 5.4 | 450 | 2.6 | ||
| Q3 | 565 | 5.3 | 563 | 5.2 | 306 | 2.8 | ||
| Q4 | 695 | 5.8 | 686 | 5.7 | 376 | 3.0 | ||
| Q5 (more) | 531 | 6.6 | 504 | 6.2 | 315 | 3.7 | ||
SGA P3 small for gestational age below percentile 3, P prevalence per 100 new births, BW low birth weight, PM premature birth