|
Reasons for early withdrawal |
||
| Reason |
Participants N = 635 |
|
|
|
||
| n |
% |
|
| Discontinued by site |
||
| Safety concerns |
38 |
6% |
| Site closure/staff error |
11 |
2% |
| Participant decision, reason provided* |
204 |
32% |
| Unwillingness to continue study visits |
60 |
9% |
| Objections from partner† |
48 |
8% |
| Desire to change contraceptive method† |
42 |
7% |
| Separation from partner |
40 |
6% |
| Side effects or other medical events† |
37 |
6% |
| Cessation of sexual activity |
18 |
3% |
| Dissatisfaction with spermicide† |
8 |
1% |
| Distrusted contraceptive efficacy† |
8 |
1% |
| Desire for pregnancy |
7 |
1% |
| Mistaken suspicion of pregnancy |
4 |
1% |
| Participant decision, reason unknown |
382 |
60% |
|
*Participants may have provided more than one reason †Considered "related to spermicide" in text | ||
Raymond et al. BMC Medical Research Methodology 2004 4:23 doi:10.1186/1471-2288-4-23 |
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