| No of partners | Men | All | Women | All | ||||
| Age in years (birth cohort) | Age in years (birth cohort) | |||||||
| 18–24 (1975–82) | 25–34 (1965–74) | 35–49 (1950–64) | 18–24 (1975–82) | 25–34 (1965–74) | 35–49 (1950–64) | |||
| Lifetime | ||||||||
| 0 | 15.3% | 3.0% | 1.0% | 4.9% | 14.6% | 1.4% | 0.2% | 3.7% |
| 1 | 16.5% | 13.6% | 16.5% | 15.6% | 31.1% | 33.4% | 44.9% | 38.5% |
| 2 | 9.6% | 8.9% | 10.3% | 9.7% | 16.2% | 18.1% | 14.3% | 15.9% |
| 3–4 | 21.8% | 22.3% | 19.7% | 21.0% | 20.1% | 23.4% | 20.5% | 21.3% |
| 5–9 | 17.5% | 24.6% | 20.8% | 21.2% | 13.0% | 18.9% | 13.3% | 15.2% |
| 10+ | 19.4% | 27.7% | 31.8% | 27.7% | 5.1% | 4.8% | 6.3% | 5.6% |
| Mean* (SD) | 6.5 (14.3) | 7.9 (11.6) | 9.5 (13.0) | 8.3 (12.9) | 2.9 (3.9) | 3.4 (3.5) | 3.1 (3.6) | 3.2 (3.6) |
| Median (99th percentile) | 3 (45) | 5 (58) | 5 (60) | 4 (58) | 2 (22) | 2 (15) | 2 (20) | 2 (20) |
| Bases WT (UWT) | 193 (323) | 250 (186) | 394 (303) | 837 (812) | 181 (313) | 255 (214) | 408 (352) | 844 (879) |
| Past 5 years | ||||||||
| 0 | 15.9% | 4.8% | 3.0% | 6.5% | 14.7% | 2.8% | 2.6% | 5.2% |
| 1 | 18.4% | 52.7% | 68.9% | 52.6% | 33.8% | 76.0% | 89.3% | 73.5% |
| 2 | 10.4% | 10.1% | 8.4% | 9.4% | 19.7% | 9.7% | 5.6% | 9.8% |
| 3–4 | 23.4% | 13.1% | 9.9% | 14.0% | 17.4% | 7.0% | 2.6% | 7.0% |
| 5–9 | 17.9% | 12.6% | 5.6% | 10.5% | 10.5% | 4.5% | 0.0% | 3.6% |
| 10+ | 13.6% | 6.6% | 4.2% | 7.2% | 3.9% | 0.0% | 0.0% | 0.8% |
| Mean* (SD) | 5.5 (13.3) | 3.1 (4.7) | 2.1 (3.1) | 3.2 (7.3) | 2.5 (3.4) | 1.4 (1.1) | 1.1 (0.5) | 1.5 (1.8) |
| Median (99th percentile) | 3 (40) | 1 (30) | 1 (15) | 1 (30) | 2 (16) | 1 (5) | 1 (4) | 1 (8) |
| Bases WT (UWT) | 193 (322) | 249 (186) | 400 (307) | 842 (815) | 180 (311) | 258 (216) | 414 (357) | 851 (884) |
| Past year | ||||||||
| 0 | 23.3% | 9.3% | 4.4% | 10.2% | 19.7% | 5.3% | 5.9% | 8.6% |
| 1 | 44.5% | 70.2% | 78.1% | 68.1% | 61.2% | 89.8% | 92.0% | 84.8% |
| 2 | 12.1% | 10.9% | 11.3% | 11.3% | 11.9% | 4.1% | 1.5% | 4.5% |
| 3–4 | 12.9% | 7.3% | 5.6% | 7.8% | 5.1% | 0.9% | 0.6% | 1.7% |
| 5–9 | 5.8% | 1.8% | 0.3% | 2.0% | 2.2% | 0.0% | 0.0% | 0.5% |
| 10+ | 1.5% | 0.5% | 0.3% | 0.6% | 0.0% | 0.0% | 0.0% | 0.0% |
| Mean* (SD) | 1.8 (3.7) | 1.3 (1.3) | 1.2 (0.8) | 1.4 (2.0) | 1.1 (1.0) | 1.0 (0.4) | 1.0 (0.3) | 1.0 (0.6) |
| Median (99th percentile) | 1 (10) | 1 (7) | 1 (4) | 1 (8) | 1 (5) | 1 (2) | 1 (2) | 1 (3) |
| Bases WT (UWT) | 192 (321) | 248 (185) | 399 (306) | 840 (812) | 182 (315) | 259 (217) | 414 (357) | 855 (889) |
SLAHS, Sexual Lifestyles, Attitudes and Health Survey; UWT, unweighted counts of individuals; WT, weighted counts of individuals. *Mean is not the most appropriate summary measure as the distribution is skewed. Numbers of individuals (bases) included in analyses vary according to the number of missing values for individual variables.