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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Contraception. 2020 Feb 4;101(6):376–383. doi: 10.1016/j.contraception.2020.01.014

Table 3.

Changes in Birth Control Connect online participant attitudes about the hormonal and non-hormonal IUD in pre- and post-surveys* by study arm.

Mean participant rating of
hormonal IUD…		 Intervention group [Online discussion groups
with IUD users](n = 119)		 Control group [Online discussion groups with no
IUD users](n = 211)		 p-value of t-test of mean
difference between arms
Pre-survey Post-survey Mean difference Pre-survey Post-survey Mean difference
… as a contraceptive method for self 6.17 6.69 0.50 6.52 6.74 0.16 0.28
… as a contraceptive method for women of same age 7.66 8.30 0.65 7.87 7.92 0.05 0.03
Mean participant rating of non-
hormonal IUD…		 Intervention group (n = 114) Control group (n = 207)
… as a contraceptive method for self 5.91 6.08 0.22 6.24 6.33 0.04 0.58
… as a contraceptive method for women of same age 7.54 8.02 0.50 7.53 7.49 0.00 0.08
*

Included Data is only for those participants who completed both baseline and post-surveys, and who reported having heard of the hormonal or non-hormonal IUD in both surveys. More participants reported having heard of the hormonal IUD in both surveys than of the non-hormonal IUD, resulting in the difference in sample sizes for ratings of each type.