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Table 1 Rates of prenatal care utilization in Winnipeg, 1991–2000: A comparison of two indices

From: Inadequate prenatal care and its association with adverse pregnancy outcomes: A comparison of indices

Index Categories 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Overall
   9093 8966 8725 8726 8440 8039 7478 7210 7188 7124 80989*
   (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%)
APNCU Index             
  Intensive 26.6 32.9 33.1 31.9 32.2 32.1 31.7 31.3 28.4 33.6 31.4
  Adequate 40.3 39.6 40.8 41.9 39.7 38.5 38.6 37.4 36.2 40.9 39.5
  Intermediate 24.1 19.0 17.7 18.4 20.3 21.6 22.2 23.1 26.0 17.5 20.9
  Inadequate 8.6 8.0 7.9 7.4 7.5 7.6 7.3 7.9 8.9 7.8 7.9
  No prenatal care 0.4 0.4 0.5 0.4 0.3 0.3 0.2 0.3 0.5 0.3 0.4
R-GINDEX             
  Intensive 10.8 13.5 13.6 12.8 12.4 13.2 12.3 12.8 11.0 13.4 12.6
  Adequate 37.2 43.1 44.0 44.0 42.8 40.3 41.3 39.4 38.0 42.3 41.3
  Intermediate 42.3 34.8 33.8 35.3 36.6 37.9 38.1 38.0 39.7 36.1 37.2
  Inadequate 9.2 8.2 8.2 7.5 7.9 8.3 8.2 9.5 10.8 7.9 8.5
  No prenatal care 0.4 0.4 0.5 0.4 0.3 0.3 0.2 0.3 0.5 0.3 0.4
  1. *Number of singleton live births per year and overall