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. Author manuscript; available in PMC: 2014 Jul 6.
Published in final edited form as: Contraception. 2012 Sep 11;87(2):182–186. doi: 10.1016/j.contraception.2012.06.015

Table 1.

Baseline demographics

All IUD
attempts
Successful
insertions
Unsuccessful
insertions



n=197 n=162 (82.2%) n=35 (17.8%)



Mean (S.D.) Mean (S.D.) Mean (S.D.)
Age, years 23 (3.39) 23 (3.73) 23 (3.31)
n (%a) n (%a) n (%a) p value
Race
  White, non-Hispanic 127 (64.4) 108 (66.7) 19 (54.2) .17
  Hispanic 36 (18.2) 29 (17.9) 7 (20) .77
  Other 34 (17.2) 25 (15.4) 9 (25.7) .14
Parity
  Nulliparous 138 (70) 109 (67.2) 27 (77.1) .25
  Parous 59 (30) 53 (32.7) 8 (22.9)
Birth control method prior
  None 50 (25.4) 41 (25.3) 9 (25.7) .96
  Hormonal 29 (14.7) 27 (16.7) 2 (5.7) .10
  Non-hormonal 64 (32.5) 52 (32.1) 12 (34.3) .80
  Multiple 54 (27.4) 42 (25.9) 12 (34.3) .31
a

Percentages may not add up to 100% due to rounding.