THC Test Results (Oral Fluid and/or Blood)a | ||||
---|---|---|---|---|
Negative Test (all means) | Positive Test (any means)b | Total1 | ||
n (%) | Chi Square (p-value) | |||
Total (n) | 575 | 91 | 718 | |
Demographic Characteristics | ||||
Age (yrs) | 0.02 | |||
16–17 | 132 (23.0) | 11 (12.1) | 154 (21.5) | |
18–19 | 443 (77.0) | 80 (87.9) | 564 (78.6) | |
Gender | 0.04 | |||
Male | 349 (61.0) | 65 (72.2) | 446 (62.5) | |
Female | 223 (39.0) | 25 (27.8) | 268 (37.5) | |
Race/Ethnicity | 0.28 | |||
White, Non-Hispanic | 416 (72.4) | 69 (75.8) | 523 (72.8) | |
Black, Non-Hispanic | 70 (12.2) | 15 (16.5) | 91 (12.7) | |
Hispanic | 64 (11.1) | NR | 77 (10.7) | |
Asian, Non-Hispanic | NR | NR | 19 (2.7) | |
More than one/Other | NR | NR | NR | |
Region | 0.45 | |||
South | 147 (25.6) | 19 (20.9) | 182 (25.4) | |
Northeast | 80 (13.9) | 17 (18.7) | 108 (15.0) | |
Midwest | 181 (31.5) | 32 (35.2) | 223 (31.1) | |
West | 167 (29.0) | 23 (25.3) | 205 (28.6) | |
Education level | 0.025 | |||
Less than high school | 187 (26.0) | 18 (19.8) | 174 (26.1) | |
High school graduate | 176 (30.6) | 42 (46.2) | 237 (33.0) | |
College | 235 (40.9) | 29 (31.9) | 281 (39.1) | |
Other/Unknown | NR | NR | 11 (1.5) | |
Vocational status | 0.003 | |||
Employed, full time | 126 (21.9) | 34 (37.3) | 175 (24.4) | |
Employed, part time | 283 (49.2) | 38 (41.8) | 344 (47.9) | |
Not employed, student | 89 (15.5) | NR | 101 (14.1) | |
Unemployed, not student | 23 (4.0) | NR | 33 (4.6) | |
Other | 54 (9.4) | NR | 65 (8.9) | |
Household income | 0.004 | |||
0 < $25,000 | 170 (29.6) | 41 (45.1) | 232 (32.4) | |
$25,001 < $50,000 | 117 (20.4) | 20 (22.0) | 145 (20.2) | |
$50,001 < $75,000 | 84 (14.6) | 12 (13.2) | 102 (14.2) | |
$75,001 < $100,000 | NR | NR | 75 (10.5) | |
$100,001 or more | 77 (13.4) | 13 (14.3) | 93 (13.0) | |
Did not answer | 57 (9.9) | NR | 70 (9.8) | |
Time of year | 0.0004 | |||
June to August | 196 (34.1) | 14 (15.4) | 210 (31.5) | |
September to March | 379 (65.9) | 77 (84.6) | 456 (68.5) | |
State Medical Marijuana Law (MML) characteristics | 0.03 | |||
States without MMLs | 379 (65.9) | 63 (69.2) | 474 (66.0) | |
States with MMLs & state-regulated dispensary | 75 (13.0) | 18 (19.8) | 106 (14.8) | |
States with MMLs plus leniency provisions | 121 (21.0) | NR | 138 (19.2) | |
Seatbeltc | 0.40 | |||
Lap and shoulder | 530 (92.1) | 82 (90.1) | 662 (92.2) | |
Other, belted | 40 (7.0) | NR | 51 (7.1) | |
Not belted | NR | NR | NR | |
Passengers (Y,N) | 0.009 | |||
Absent | 293 (51.0) | 33 (36.3) | 352 (49.0) | |
Present | 282 (49.0) | 58 (63.7) | 366 (51.0) |