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Table 2 Obstetric characteristics by maternal birthplace, n = 842,496 women

From: The provision of epidural analgesia during labor according to maternal birthplace: a Norwegian register study

 Native-bornImmigrants
NorwayHigh-incomeEurope/Central AsiaSub-Saharan AfricaNorth Africa/Middle EastSouth AsiaEast Asia/ PacificLatin America/ Caribbean
 n%n%n%n%n%n%n%n%
 667,45879.241,4504.941,1854.923,4992.826,7353.222,5851.425,1073.054770.7
Primiparous286,76643.019,08246.020,46849.7743431.6975136.5414835.811,22344.7277850.7
Mode of delivery
 Spontaneous vaginal541,51581.132,11877.532,34378.517,39174.021,22279.4900777.718,17372.4392771.7
 Instrumental vaginal62,7229.4476111.5475011.520378.726279.8121210.5311612.458910.8
 Emergency cesarean section63,2219.5457111.040929.9407117.3288610.8136611.8381815.296115.7
Previous cesarean delivery142,14511.1275912.3229511.1283317.6215812.7122916.5197814.252819.6
Gestational age (weeks)
  < 3733,3355.019284.717554.311444.913325.07696.617246.93055.6
 37–41590,20288.436,91389.136,92089.619,99685.124,06390.010,36189.422,64990.2487689.0
   4243,9216.626096.325106.1235910.013405.04553.97342.92965.4
Birth weight (gram)
  < 250021,0843.212803.111702.811004.710213.87866.811624.62123.9
 2500–3999504,82775.632,58478.632,99280.119,43782.722,48984–1996286.021,40885.3452582.6
  > 4000141,54721.2758618.3702317.1296212.6322512.18377.2253710.174013.5
Epidural analgesia2199,82229.913,97033.713,89833.7516122.0726727.2318827.5675526.9249845.6
Spinal analgesia241,3126.227946.724516.022899.717426.58297.222028.85199.5
Pudendal analgesia216,3792.511792.89082.23831.64971.92402.15662.31442.6
Nitrous Oxide2281,53142.216,16139.016,13139.2756932.2916134.3349630.2861134.3211038.5
Local anesthesia2207,46531.112,85231.011,98129.1644927.4705226.4369631.9823132.8144226.3
Opiates232,8614.916283.912643.16592.812854.85174.511134.42033.7
  1. 1Multiparous women only. 2Multiple analgesia modalities may have been used