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. Author manuscript; available in PMC: 2021 Nov 8.
Published in final edited form as: Drug Alcohol Depend. 2018 Jan 31;184:64–70. doi: 10.1016/j.drugalcdep.2017.11.025

Table 1.

Sample sizes* and percents** for the MYRBS data, by Wave and Sex

1999/2001 2003/2005 2007/2009 2011/2013
Male
Heterosexual 4054 (95.1%) 3279 (95.4%) 2712 (94.6%) 2565 (94.4%)
Bisexual 60 (1.3%) 46 (1.3%) 52 (1.8%) 54 (2.0%)
Gay 37 (0.8%) 41 (1.2%) 64 (2.1%) 47 (1.7%)
Female
Heterosexual 3902 (93.9%) 3306 (93.0%) 2630 (90.7%) 2397 (89.1%)
Bisexual 133 (3.3%) 153 (4.1%) 182 (6.3%) 177 (6.8%)
Lesbian 15 (0.4%) 25 (0.6%) 36 (1.2%) 35 (1.4%)
Mean Age (SE) 16.11 (0.04) 16.05 (0.04) 16.01 (0.05) 16.06 (0.05)
% White 73.9 76.1 72.2 69.5
% African American 7.8 8.8 8.6 8.8
% Hispanic/Latino 10.0 10.1 5.7 6.0
% Native American 0.7 0.6 0.4 0.3
% Asian American 3.7 1.9 3.1 4.5
% Other Race 3.8 2.6 10.1 10.8

Notes:

*

Sample sizes are unweighted Ns

**

Percents are weighted. Within each wave and sex group, percents do not add up to 100% because youth who answered, “not sure” on the sexual identity question are not included here. SE = Standard Error.