Table 2.
Distribution of the number of children and the number of children born in each cluster and geographic area.
| Distribution/Location | Children enrolled, n (N=4386) | Population enrolled, n (%) | Births per year in Italya, n (%) | Difference between the third and fourth columns, % |
| Metropolis: Milan | 184 | 184/4386 (4.20) | 11,267/467,640 (2.41) | 1.79 |
| Metropolis: Rome | 428 | 428/4386 (9.76) | 21,497/467,640 (4.60) | 5.16 |
| Metropolis: Bari | 70 | 70/4386 (1.60) | 2214/467,640 (0.47) | 1.13 |
| Metropolis: Palermo | 62 | 62/4386 (1.41) | 5578/467,640 (1.19) | 0.22 |
| North: urban mountain | —b | — | 2243/467,640 (0.48) | –0.48 |
| North: urban plain | 304 | 304/4386 (6.93) | 45,595/467,640 (9.75) | –2.82 |
| North: urban sea | 93 | 93/4386 (2.12) | 10,258/467,640 (2.19) | 0.07 |
| North: rural mountain | 228 | 228/4386 (5.20) | 25,274/467,640 (5.40) | –0.20 |
| North: rural plain | 1151 | 1151/4386 (26.24) | 112,824/467,640 (24.13) | 2.11 |
| North: rural sea | 60 | 60/4386 (1.37) | 5882/467,640 (1.26) | 0.11 |
| Center: urban plain | 61 | 61/4386 (1.39) | 6330/467,640 (1.35) | –0.04 |
| Center: urban sea | 1 | 1/4386 (0.02) | 5339/467,640 (1.14) | –1.12 |
| Center: rural mountain | 90 | 90/4386 (2.05) | 13,887/467,640 (2.97) | –0.92 |
| Center: rural plain | 233 | 233/4386 (5.31) | 31,997/467,640 (6.84) | –1.53 |
| Center: rural sea | 68 | 68/4386 (1.55) | 11,118/467,640 (2.38) | –0.83 |
| South: urban mountain | 8 | 8/4386 (0.18) | 4010/467,640 (0.86) | –0.68 |
| South: urban plain | 136 | 136/4386 (3.10) | 15,826/467,640 (3.38) | –0.28 |
| South: urban sea | 421 | 421/4386 (9.60) | 27,281/467,640 (5.83) | 3.77 |
| South: rural mountain | 98 | 98/4386 (2.23) | 21,932/467,640 (4.69) | –2.46 |
| South: rural plain | 421 | 421/4386 (9.60) | 47,026/467,640 (10.06) | –0.46 |
| South: rural sea | 255 | 255/4386 (5.81) | 40,262/467,640 (8.61) | –2.80 |
| Missing | 14 | — | — | — |
aBased on data on the newborn population residing in the cluster on January 1, 2017. ISTAT demographic statistics data [24] referring to December 31, 2016, were used for clusters with missing data.
b—: not available.