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. 2013 Aug 19;8(8):e63972. doi: 10.1371/journal.pone.0063972

Table 1. Characteristics of people who have used and not used psychedelics.

Among used psychedelics Among not used psychedelics Used psychedelics, within each category
wt % N wt % N wt %
Total 100% 21967 100% 108034 13.4%
Age
18 to 25 years old 20.6% 11810 13.9% 51000 18.7%
26 years or older 79.4% 10157 86.1% 57034 12.5%
Sex
Male 61.0% 12736 45.9% 48052 17.1%
Female 39.0% 9231 54.1% 59982 10.0%
Race/ethnicity
White 85.7% 18399 69.5% 71732 16.0%
Hispanic 6.7% 1679 12.4% 14926 7.7%
Black 4.0% 621 12.2% 14331 4.8%
Asian 1.0% 250 4.3% 3843 3.4%
Native American 0.9% 399 0.4% 1060 25.2%
Native Hawaiian or Pacific Islander 0.2% 77 0.3% 492 9.6%
More than one 1.4% 542 0.9% 1650 20.0%
Household income
Less than $20,000 17.2% 5403 20.2% 27777 12.2%
$20,000 to $49,000 36.3% 8616 38.0% 42340 13.2%
$50,000 to $74,999 19.6% 3664 18.0% 17953 15.0%
$75,000 or more 26.8% 4284 23.8% 19964 15.4%
Education
Not high school graduate 13.2% 3727 18.0% 19174 10.2%
High school graduate 30.5% 7265 32.3% 36988 12.8%
Some college 29.7% 6757 24.3% 29775 15.9%
College graduate 26.6% 4217 25.4% 22056 14.0%
Marital status
Not married 54.6% 14978 41.3% 62086 17.0%
Married 45.4% 6985 58.7% 45912 10.7%
Likes to test self by doing risky things
Never 24.5% 4486 53.7% 48090 6.6%
Seldom 45.2% 9662 34.2% 40565 17.0%
Sometimes 27.3% 6780 11.1% 17174 27.6%
Always 3.1% 1017 1.1% 1922 31.1%
Extremely stressful event
No 47.7% 10951 66.1% 71039 10.1%
Yes 52.3% 10938 33.9% 36361 19.3%
Lifetime use of other drugs
Cannabis 98.2% 21542 33.0% 42705 31.5%
Opiates 46.2% 11249 7.7% 10958 48.1%
Cocaine 70.1% 14014 6.7% 6959 61.8%
Tranquilizers and sedatives 44.1% 8863 4.7% 5131 59.2%
Stimulants 41.8% 8648 3.7% 4455 63.3%
MDMA 24.7% 8074 1.2% 2680 75.9%
Inhaled anesthetics 28.5% 7515 1.6% 2735 74.0%
Alkyl nitrites 19.8% 3448 1.3% 1283 70.3%
Other inhalants 12.8% 2999 1.6% 2750 55.6%
PCP 21.0% 3752 0.4% 481 89.3%

Wt %, weighted percentage.