Table 1

Descriptive statistics
Variable Category Number of visits First visit
< 4 ≥ 4 Total ≥ 12 weeks < 12 weeks Total
n % n % n n % n % n
Maternal age ≤ 20 206 19.64 843 80.36 1049 149 14.23 898 85.77 1047
20 - 29 1418 10.73 11802 89.27 13220 1147 8.71 12022 91.29 13169
30 - 39 1415 5.93 22438 94.07 23853 1239 5.21 22564 94.79 23803
> 39 201 7.36 2529 92.64 2730 154 5.65 2570 94.35 2724
Maternal nationality ITA 1630 5.29 29182 94.71 30812 1341 4.36 29402 95.64 30743
EU-27 473 16.94 2319 83.06 2792 371 13.36 2406 86.64 2777
Extra EU-27 1170 17.36 5571 82.64 6741 1069 15.93 5643 84.07 6712
Maternal education High 515 4.71 10427 95.29 10942 491 4.5 10431 95.5 10922
Medium 1528 6.91 20590 93.09 22118 1175 5.32 20891 94.68 22066
Low 1376 13.15 9091 86.85 10467 1159 11.1 9279 88.9 10438
Maternal employment White-collar 288 5.12 5341 94.88 5629 247 4.4 5373 95.6 5620
Blue-collar 1128 5.04 21238 94.96 22366 925 4.14 21396 95.86 22321
Unemployed 523 12.4 3695 87.6 4218 423 10.06 3780 89.94 4203
Student 75 11.19 595 88.81 670 58 8.68 610 91.32 668
Housewife 1402 13.24 9190 86.76 10592 1165 11.03 9397 88.97 10562
Marital status Married 2528 7.44 31441 92.56 33969 2189 6.46 31707 93.54 33896
Unmarried 900 9.28 8802 90.72 9702 639 6.61 9026 93.39 9665
Parity 0 1746 6.67 24430 93.33 26176 1386 5.31 24712 94.69 26098
1+ 1693 9.61 15927 90.39 17620 1464 8.33 16114 91.67 17578
Deprivation index sed1 959 8.66 10115 91.34 11074 738 6.68 10317 93.32 11055
sed2 870 7.3 11046 92.7 11916 969 8.16 10910 91.84 11879
sed3 970 7.6 11799 92.4 12769 613 4.82 12115 95.18 12728
sed4 642 7.98 7407 92.02 8049 530 6.6 7495 93.4 8025
Year 2005 659 9.22 6492 90.78 7151 604 8.48 6520 91.52 7124
2006 571 7.92 6638 92.08 7209 564 7.84 6626 92.16 7190
2007 560 7.9 6531 92.1 7091 474 6.7 6598 93.3 7072
2008 601 7.85 7054 92.15 7655 411 5.39 7216 94.61 7627
2009 531 7.2 6842 92.8 7373 432 5.87 6929 94.13 7361
2010 519 7.08 6810 92.92 7329 365 4.99 6948 95.01 7313
Total 2850 6.52 40837 93.48 43687 3441 7.85 40367 92.15 43808

Note: The socio-economic deprivation index is built as already described in the Methods section.

Chiavarini et al.

Chiavarini et al. BMC Health Services Research 2014 14:174   doi:10.1186/1472-6963-14-174

Open Data