| Lesbians | Gay men | Het. women | Het. men | Source |
| N | % | N | % | N | % | N | % |
| 25* | 28% | Kremer & Rifkin (1969) |
| ?(a) | 27% | Carmen & Blaine (1970) |
| 100 | 23% | 127 | 7% | 5% | 0% | Saghir et al (1970) |
| 12 | 50% | 488 | 13% | Woodruff, Clayton & Guze (1972) |
| 60* | 32% | Roesler & Deisher (1972) |
| 57 | 12% | 89 | 7% | 44 | 5% | 40 | 0% | Saghir & Robins (1973) |
| 293(b) | 42% | 686 | 38% | 26% | 5% | Bell & Weinberg (1978) |
| 962 | 39% | 4329 | 40% | Jay & Young (1979) |
| 1925(c) | 18% | Bradford & Ryan (1988) |
| 108* | 20% | Schneider, Farberow, Kruks | (1989) |
| 100* | 41% | 100* | 34% | Hunter (1990) |
| 137* | 30% | Remafedi, Farrow & Deisher | (1991) |
| 13* | 23% | 37* | 50% | Uribe & Harbeck (1991 |
| 139* | 39% | Rotheram-Borus et al (1992) |
| 200* | 47.5% | Barbeler (1992) |
| ? | 29%* | ? | 29%* | Hammelman (1993) |
| ? | 41%* | ? | 41%* | D'Augelli & Hershberger (1993) |
| 55* | 50% | 147* | 20% | Herdt & Boxer (1993) |
| Lesbians | Gay men | Source |
| N | % | N | % |
| 136 | 19% | 279 | 19% | Trenchard & Warren (1984)(a) |
| 40 | 40% | 55 | 40% | Bye (cited in Plummer, 1989)(b) |
| ? | 55% | ? | 55% | Parents' Friend (cited in Plummer, 1989) (c) |
| 38 | 21% | Woods (1992) (d) |
| 16 | 43% | Bridget (1988) (e) |
| 20 | 70% | Bridget (1995) (f) |
| ? | 26% | ? | 26% | Y.G.L.I.B. (1994) (g) |
| ? | 20% | ? | 20% | McColl (1995) (h) |
| ? | 46% | ? | 46% | Rivers (1996) (i) |