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Table 1 Socio-demographic indicators and cerebral palsy (CP) according to hospital data in Swedish children born 1987–93

From: Perinatal complications and socio-economic differences in cerebral palsy in Sweden – a national cohort study

    Unspecified CP* All CP
   N Cases 1/1 000 Cases 1/1 000
Sex       
  Male 413 234 740 1.79 848 2.05
  Female 392 309 508 1.29 589 1.50
Domicile       
  Metropolitan 256 882 330 1.28 381 1.48
  Other City 396 064 642 1.62 741 1.87
  Rural 152 597 272 1.78 311 2.04
Maternal age at birth of child       
  Missing 12 416 25 2.01 32 2.21
  12–19 9 925 21 2.12 21 2.12
  20–24 182 640 289 1.58 334 1.82
  25–29 300 108 434 1.45 486 1.62
  30–34 205 479 313 1.52 365 1.77
  35+ 94 975 166 1.75 199 2.10
SES       
  Unspecified 212 676 335 1.58 392 1.85
  I: Manual labour 189 923 334 1.76 379 2.00
  II: Skilled labor 110 017 177 1.61 198 1.80
  III: White collar 1 101 995 140 1.37 157 1.54
  IV: White collar 2 126 271 189 1.50 222 1.76
  V: White collar 3 64 661 73 1.13 89 1.38
Maternal education       
  Missing 23 966 43 1.79 55 2.29
  Low 146 980 238 1.62 285 1.94
  Moderate 438 087 720 1.64 806 1.84
  High 196 510 247 1.26 291 1.31
Recieved Social Welfare       
  No 747 365 1139 1.52 1304 1.74
  Yes 58 178 109 1.87 133 2.28
Single during pregnancy       
  Missing 62 990 136 2.16 156 2.48
  No 701 548 1035 1.48 1193 1.53
  Yes 41 005 73 1.78 84 2.05
Ethnicity       
  Missing 194 0 0 0 0
  Swedish 651 452 1031 1.58 1177 1.81
  Other European 28 500 36 1.26 48 1.68
  Non-European 39 637 59 1.49 68 1.72
  Mixed 85 760 121 1.41 144 1.68
Total   805 543 1248 1.55 1437 1.78
  1. * Excluding cases with hospital diagnoses that indicates traumatic injuries or malformation syndromes