TABLE 3—
Intervention Studies Funded by the National Institutes of Health That Examined the Health of Lesbian, Gay, Bisexual, and Transgender Populations, by Content Area: 1989–2011
| Content Area | Total Studies (n = 202), No. (%) | Studies Involving Sexual Minority Women (n = 12), No. (%) | Studies Involving Sexual Minority Men (n = 182), No. (%) | Studies Involving Transgender People (n = 15), No. (%) |
| HIV/AIDS | 176 (87.1) | 3 (25.0) | 163 (89.6) | 9 (60.0) |
| Illicit drug use | 62 (30.7) | 5 (41.7) | 58 (31.9) | 4 (26.7) |
| Mental health | 37 (18.3) | 4 (33.3) | 32 (17.6) | 3 (20.0) |
| Other sexual health, including STIs and excluding HIV/AIDS | 38 (18.8) | 2 (16.7) | 32 (17.6) | 2 (13.3) |
| Alcohol use | 26 (12.9) | 5 (41.7) | 24 (13.2) | 3 (20.0) |
| Genetics | 1 (0.5) | 0 (0.0) | 1 (0.5) | 0 (0.0) |
| Cancer | 7 (3.5) | 1 (8.3) | 4 (2.2) | 1 (6.7) |
| Couples and family health | 7 (3.5) | 0 (0.0) | 6 (3.3) | 1 (6.7) |
| Health care services | 12 (5.9) | 3 (25.0) | 9 (4.9) | 4 (26.7) |
| Violence | 5 (2.5) | 1 (8.3) | 4 (2.2) | 0 (0.0) |
| Homophobia | 3 (1.5) | 0 (0.0) | 3 (1.6) | 0 (0.0) |
| Hepatitis | 4 (2.0) | 0 (0.0) | 4 (2.2) | 0 (0.0) |
| Vaccines or immunizations | 10 (5.0) | 1 (8.3) | 10 (5.5) | 1 (6.7) |
| Infrastructure for researchers of LGBT health | 1 (0.5) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Screening | 4 (2.0) | 1 (8.3) | 4 (2.2) | 1 (6.7) |
| Measurement validation or testing of sampling methods | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Tobacco | 2 (1.0) | 2 (16.7) | 2 (1.1) | 2 (13.3) |
| Homelessness | 2 (1.0) | 0 (0.0) | 2 (1.1) | 0 (0.0) |
| Cost-effectiveness and other health financing | 2 (1.0) | 0 (0.0) | 2 (1.1) | 0 (0.0) |
| Health policy | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Obesity or overweight | 2 (1.0) | 1 (8.3) | 0 (0.0) | 0 (0.0) |
| Cardiovascular disease | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Immigration | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Ethical issues | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Dental/oral health | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Diabetes | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Environment health | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Nutrition, food, and dietary habits | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Exercise/physical activity | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Maternal and infant health | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Tuberculosis | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
Note. LGBT = lesbian, gay, bisexual, and transgender; STI = sexually transmitted infection. Some studies involved ≥ 1 subpopulation or content area, so numbers may sum to > 202 and > 100%.