Experience during first 6 weeks | Total | Did not complete study | Relative Risk (95% confidence interval) | |
---|---|---|---|---|
 | N | n | % |  |
Completed at least one follow-up visit | Â | Â | Â | Â |
   yes | 925 | 203 | 21.9 | 0.68 (0.53 – 0.87) |
   no | 170 | 55 | 32.4 | 1 |
Completed at least one pregnancy test within first 4 weeks | Â | Â | Â | Â |
   yes | 1070 | 250 | 23.4 | 0.73 (0.41 – 1.31) |
   no | 25 | 8 | 32.0 | 1 |
Provided diary information for each day | Â | Â | Â | Â |
   yes | 958 | 215 | 22.4 | 0.71 (0.54 – 0.94) |
   no | 137 | 43 | 31.4 | 1 |
Used spermicide at every coital act | Â | Â | Â | Â |
   yes | 739 | 153 | 20.7 | 0.70 (0.57 – 0.87) |
   no | 356 | 105 | 29.5 | 1 |
Of those who completed follow-up visit | Â | Â | Â | Â |
   Reported medical complaints |  |  |  |  |
yes | 437 | 104 | 23.8 | 1.17 (0.92 – 1.50) |
no | 488 | 99 | 20.3 | 1 |
   Disliked spermicide somewhat or a lot |  |  |  |  |
yes | 52 | 12 | 23.1 | 1.05 (0.63 – 1.76) |
no | 873 | 191 | 21.9 | 1 |
   Distrusted contraceptive efficacy |  |  |  |  |
yes | 209 | 51 | 24.4 | 1.15 (0.87 – 1.52) |
no | 716 | 152 | 21.2 | 1 |
   Disliked timing of application |  |  |  |  |
yes | 435 | 96 | 22.1 | 1.01 (0.79 – 1.29) |
no | 490 | 107 | 21.8 | 1 |
   Complained about messiness |  |  |  |  |
yes | 375 | 76 | 20.3 | 0.88 (0.68 – 1.13) |
no | 550 | 127 | 23.1 | 1 |
   Had problems with insertion |  |  |  |  |
yes | 465 | 105 | 22.6 | 1.06 (0.83 – 1.35) |
no | 460 | 98 | 21.3 | 1 |
   Reported that partner disliked spermicide |  |  |  |  |
yes | 208 | 52 | 25.0 | 1.18 (0.90 – 1.56) |
no | 717 | 151 | 21.1 | 1 |
   Happy with spermicide†|  |  |  |  |
yes | 408 | 80 | 19.6 | 0.82 (0.64 – 1.05) |
no | 517 | 123 | 23.8 | 1 |