Table 1.
Demographic Characteristics of Massachusetts Youth Risk Behavioral Surveillance System Respondents, 2003–2007
| na | % (SE)b | |
|---|---|---|
| Sex | ||
| Female | 5233 | 49.4 (0.71) |
| Male | 5020 | 50.6 (0.71) |
| Grade | ||
| 9th | 2923 | 28.5 (2.1) |
| 10th | 2785 | 25.6 (1.6) |
| 11th | 2430 | 23.9 (1.2) |
| 12th | 2033 | 22.0 (1.1) |
| Race/ethnicity | ||
| Black or African American | 707 | 8.7 (1.0) |
| Hispanic or Latino | 876 | 8.7 (1.0) |
| White | 6834 | 75.0 (1.9) |
| Other | 1594 | 7.6 (0.35) |
| Health risk behaviors | ||
| Current smoker | 1935 | 19.7 (0.67) |
| Ever made suicide plan | 675 | 7.4 (0.32) |
| Ever used methamphetamines | 509 | 4.8 (0.27) |
| Sexual behavior | ||
| Exclusively same sex | 201 | 2.1 (0.15) |
| Both sexes | 356 | 3.5 (0.23) |
| No sexual contact | 4218 | 41.5 (0.72) |
| Exclusively opposite sex | 5147 | 52.9 (0.74) |
| Sexual identity | ||
| Lesbian or gay | 120 | 1.2 (0.12) |
| Bisexual | 320 | 3.1 (0.18) |
| Not sure | 219 | 2.1 (0.21) |
| Heterosexual | 9460 | 93.7 (0.32) |
| Any same-sex behavior or identity | 740 | 7.2 (0.32) |
a
Unweighted frequencies.
b
Weighted proportions.