Table 1.
Demographic and sexual intercourse-related characteristics
| Characteristic | Black
|
White
|
Total Sample
|
|---|---|---|---|
| (n = 63) | (n = 57) | (n = 120) | |
| Age, mean (SD) (y) | 33.3 (9.7) | 31.7 (8.1) | 32.5 (9.0) |
| Marital status* (no. [%]) | |||
| Single | 40 (63.5) | 26 (45.6) | 66 (55.0) |
| Married | 22 (34.9) | 30 (52.6) | 52 (43.3) |
| Other | 1 (1.6) | 1 (1.8) | 2 (1.7) |
| Frequency of sexual intercourse* (no. [%]) | |||
| <1/mo | 1 (1.6) | 0 (0.0) | 1 (0.8) |
| 1/mo | 2 (3.2) | 4 (7.0) | 6 (5.0) |
| >1/mo | 11 (17.5) | 5 (8.8) | 16 (13.3) |
| 1–2/wk | 22 (34.9) | 31 (54.4) | 53 (44.2) |
| 3–5/wk | 27 (42.9) | 14 (24.6) | 41 (34.2) |
| 1/d | 0 (0.0) | 3 (5.3) | 3 (2.5) |
| Last sexual intercourse (mean [SD]) (h) | 8.0 (6.3) | 8.5 (6.5) | 8.2 (6.3) |
| Penis size (mean ([SD]) (1 [very small] to 10 [very large]) | 6.4 (1.8) | 6.5 (1.4) | 6.4 (1.6) |
| Lubrication* (mean [SD]) (1 [dry] to 10 [very lubricated]) | 7.5 (2.3) | 5.9 (2.2) | 6.7 (2.4) |
| Penetration* (mean [SD]) (min) | 19.3 (16.8) | 12.9 (8.4) | 16.2 (13.8) |
*
Significant differences (P < .05) between black and white subgroup means or proportions after independent-samples t or χ2 tests.