Table 3 Numbers and percentages of women who obtained correct answers to pre-test/post-test questions and mean differences in test scores (N = 299)
| Assessment questions |
Pre-test N (%) |
Post-test N (%) | % or mean difference | P-valuea |
|---|---|---|---|---|
| IUDs are a reversible method of contraception | 219 (73.2) | 289 (96.7) | 23.42 | < 0.001 |
| IUDs are extremely difficult to remove | 145 (48.5) | 25 (8.4) | 40.1 | < 0.001 |
| A woman can have mild cramps for a few days after IUD insertion | 179 (59.9) | 289 (96.7) | 36.8 | < 0.001 |
| IUDs increase the chance of pregnancy in the tubes | 137 (45.8) | 60 (20.1) | 25.8 | < 0.001 |
| There are 3 forms of IUDs | 263 (88.0) | 105 (35.1) | 52.8 | < 0.001 |
| A woman can become pregnant as soon as the IUD is removed | 209 (69.9) | 286 (95.7) | 25.8 | < 0.001 |
| IUDs can increase risk of anemia | 58 (19.4) | 70 (23.4) | 4.0 | 0.140 |
| IUDs can cause a woman to become infertile after it is removed | 190 (63.6) | 74 (24.8) | 38.8 | < 0.001 |
| IUDs often puncture the womb during insertion | 177 (59.2) | 46 (15.4) | 43.8 | < 0.001 |
| IUDs do not protect against sexually-transmitted diseases or HIV | 241 (80.6) | 246 (82.3) | 1.7 | 0.564 |
| IUDs can be easily removed by a doctor pulling on the string | 172 (57.5) | 288 (96.3) | 38.8 | < 0.001 |
| IUDs can cause longer and heavier menstrual flow | 153 (51.2) | 261 (87.3) | 36.1 | < 0.001 |
| IUDs are the most effective method of birth control | 153 (51.2) | 270 (90.3) | 39.1 | < 0.001 |
| IUDs expire and are no longer effective after a number of years | 198 (66.2) | 256 (85.6) | 19.4 | < 0.001 |
| IUDs keep sperm from reaching/fertilizing the egg | 260 (87.0) | 297 (99.3) | 12.4 | < 0.001 |
| IUDs are easy to insert with one doctor visit | 221 (73.9) | 292 (97.7) | 23.8 | < 0.001 |
| IUDs cause infections | 241 (80.6) | 47 (15.7) | 64.9 | < 0.001 |
| IUDs are very safe and risk of side effects is very low | 149 (49.8) | 274 (91.6) | 41.8 | < 0.001 |
| Mean (SD) of Cumulative IUD Knowledge Score | 9.54 | 15.23 | 5.69 | < 0.001 |