Table 1.
Sample Characteristics of the British Columbia Adolescent Health Survey, 2003–2013.
| Characteristic | 2003 | 2008 | 2013 |
|---|---|---|---|
| LGB students | (n= 481) | (n= 521) | (n= 623) |
| Heterosexual students | (n= 15,014) | (n= 12,164) | (n= 11,322) |
| Age, years, mean (SD) | |||
| LGB | 15.8 (1.5) | 15.7 (1.5) | 15.7 (1.5) |
| Heterosexual | 15.5 (1.6) | 15.4 (1.5) | 15.4 (1.5) |
| Female, No. (%) | |||
| LGB | 338 (70.3) | 341 (65.7) | 413 (66.7) |
| Heterosexual | 7,153 (47.7) | 6,006 (49.4) | 5,451 (48.2) |
| Race/ethnicity, No. (%) | |||
| LGB European | 332 (69.0) | 312 (59.9) | 380 (61.0) |
| LGB all others | 149 (31.0) | 209 (40.1) | 243 (39.0) |
| Heterosexual European | 9,905 (66.0) | 7,244 (59.6) | 7,059 (62.3) |
| Heterosexual all others | 5,109 (34.0) | 4,920 (40.4) | 4,263 (37.7) |
| Sexual orientation, No. (%) | |||
| Lesbian/gay | 92 (0.6) | 122 (1.0) | 162 (1.4) |
| Bisexual | 389 (2.5) | 399 (3.1) | 461 (3.9) |
| Heterosexual | 15,014 (96.9) | 12,164 (95.9) | 11,322 (94.8) |
| Years of living in Canada, No. (%) | |||
| LGB 5 years or shorter | 47 (9.8) | 44 (8.6) | 67 (11.1) |
| LGB 6 years or longer | 434 (90.2) | 465 (91.4) | 538 (88.9) |
| Heterosexual 5 years or shorter | 921 (6.1) | 771 (6.5) | 844 (7.6) |
| Heterosexual 6 years or longer | 14,082 (93.9) | 11,091 (93.5) | 10,298 (92.4) |
| Schools | (n= 135) | (n= 135) | (n= 135) |
| Length of GSA presence till survey cycle, No. (%) | |||
| 0 year | 115 (92.7) | 85 (68.5) | 60 (48.4) |
| 1 year | 2 (1.6) | 8 (6.5) | 4 (3.2) |
| 2 years | 3 (2.4) | 8 (6.5) | 5 (4.0) |
| 3 years | 2 (1.6) | 3 (2.4) | 4 (3.2) |
| 4 years | 2 (1.6) | 6 (4.8) | 7 (5.6) |
| 5 years | 0 (0.0) | 5 (4.0) | 5 (4.0) |
| 6 years | 0 (0.0) | 2 (1.6) | 8 (6.5) |
| 7 years | 0 (0.0) | 3 (2.4) | 8 (6.5) |
| 8 years | 0 (0.0) | 2 (1.6) | 3 (2.4) |
| 9 years | 0 (0.0) | 2 (1.6) | 6 (4.8) |
| 10 years | 0 (0.0) | 0 (0.0) | 5 (4.0) |
| 11 years | 0 (0.0) | 0 (0.0) | 2 (1.6) |
| 12 years | 0 (0.0) | 0 (0.0) | 3 (2.4) |
| 13 years | 0 (0.0) | 0 (0.0) | 2 (1.6) |
| 14 years | 0 (0.0) | 0 (0.0) | 2 (1.6) |
Note. Some numbers do not add up to the column totals of participants or schools, due to missing data. Valid column percentages are presented. GSA = Gay-Straight Alliance.