Table 4 Estimated annual number of condoms used
From: Explaining inconsistencies between data on condom use and condom sales
| Estimation Method | Kenya 1998 | Nigeria 1999 | Tanzania 1996 | Tanzania 1999 | Zimbabwe 1994 | Zimbabwe 1999 | |
|---|---|---|---|---|---|---|---|
| Frequency of Intercourse | Probability of Condom Use | ||||||
| Males | |||||||
| F1 Self-Reported | p1 Self-Reported | -.- | -.- | -.- | -.- | 18,047,620 | -.- |
| p2 Last Intercourse | -.- | -.- | -.- | -.- | 19,451,694 | -.- | |
| p3 Previous Day | -.- | -.- | -.- | -.- | 11,408,033 | -.- | |
| F2 Previous Day | p1 Self-Reported | -.- | -.- | -.- | -.- | 12,209,655 | -.- |
| p2 Last Intercourse | 10,650,977 | 5,522,394 | 14,919,839 | 19,053,896 | 11,515,528 | 10,850,758 | |
| p3 Previous Day | 7,734,312 | 6,779,088 | 6,231,789 | 9,805,457 | 6,275,443 | 7,660,061 | |
| F3 Survival Analysis | p1 Self-Reported | -.- | -.- | -.- | -.- | 4,136,103 | -.- |
| p2 Last Intercourse | 10,121,645 | 18,858,423 | 4,891,365 | 7,493,313 | 3,999,271 | 4,468,660 | |
| p3 Previous Day | 7,221,404 | 10,010,100 | 2,439,635 | 3,754,680 | 2,324,967 | 3,262,927 | |
| Females | |||||||
| F1 Self-Reported | p1 Self-Reported | -.- | -.- | -.- | -.- | 7,980,256 | -.- |
| p2 Last Intercourse | -.- | -.- | -.- | -.- | 8,406,142 | -.- | |
| p3 Previous Day | -.- | -.- | -.- | -.- | 7,088,876 | -.- | |
| F2 Previous Day | p1 Self-Reported | -.- | -.- | -.- | -.- | 6,913,439 | -.- |
| p2 Last Intercourse | 3,375,708 | 4,632,093 | 5,529,321 | 10,744,128 | 7,253,275 | 3,700,789 | |
| p3 Previous Day | 2,091,845 | 7,622,258 | 2,759,809 | 8,422,675 | 6,115,040 | 1,591,401 | |
| F3 Survival Analysis | p1 Self-Reported | -.- | -.- | -.- | -.- | 1,111,439 | -.- |
| p2 Last Intercourse | 2,200,502 | 4,503,194 | 993,705 | 2,756,648 | 1,137,474 | 1,395,517 | |
| p3 Previous Day | 986,769 | 5,253,132 | 444,480 | 1,994,578 | 914,083 | 647,804 | |
| Highest Estimate | 10,650,977 | 18,858,423 | 14,919,839 | 19,053,896 | 19,451,694 | 10,850,758 | |
| Lowest Estimate | 986,769 | 4,503,194 | 444,480 | 1,994,578 | 914,083 | 647,804 | |
| Sales, Survey Year | 11,797,536 | 108,444,464 | 41,629,132 | 45,024,836 | 38,316,656 | 71,432,882 | |
| Sales, Previous Year | 13,516,931 | 67,629,732 | 51,030,840 | 53,409,352 | 63,778,992 | 35,751,329 | |
