| Value | Category |
|---|---|
| -4 | missing data |
| -3 | refused to answer |
| -2 | not applicable |
| -1 | do not remember |
| 1 | pill |
| 2 | iud or loop |
| 3 | injectable or depoprovera |
| 4 | condom |
| 5 | female condom |
| 6 | traditional method or herbs |
| 7 | non penetrative sex or thigh sex |
| 8 | safe days or abstinence |
| 9 | withdrawal before ejaculation |