Table 2 Exploratory factory analysis of the DASES (n = 200)

Negative Affect

 Q6: When I am very worried

.844

.045

.070

.006

 Q3: When I am feeling depressed

.844

.099

.004

-.101

 Q14: When I feel like blowing up because of frustration

.836

.012

.096

.041

 Q16: When I sense everything is going wrong for me

.834

-.012

.011

.036

 Q18: When I am feeling angry inside

.788

-.037

.012

-.070

Social Pressure

 Q15: When I see others using drugs at a bar or a party

.005

.882

-.013

.045

 Q4: When I am on vacation and want to relax

-.002

.876

.101

.145

 Q8: When I am offered a drug in a social situation

-.007

.832

-.016

.107

 Q17: When people I used to drink with encourage me to use drugs

-.027

.774

.119

.099

 Q20: When I am excited or celebrating with others

.106

.628

-.019

-.067

Physical and Other Concerns about Using Drugs

 Q2: When I have a headache

.004

-.029

.865

.032

 Q13: When I am experiencing some physical pain or injury

-.016

.060

.829

-.029

 Q5: When I am concerned about someone

.089

.157

.782

.006

 Q9: When I dream about using a drug

.048

.060

.781

.034

 Q12: When I am physically tired

.056

-.077

.710

-.009

Cravings and Urges

 Q10: When I want to test my willpower over using drugs

.034

.091

-.027

.834

 Q7: When I have the urge to try just one drug use to see what happens

.002

.010

.015

.812

 Q11: When I am feeling a physical need or craving to use drugs

-.030

.094

.028

.785

 Q1: When I am in agony because of stopping or withdrawing from drug use

-.003

.025

-.058

.750

 Q19: When I experience an urge or impulse to take a drug that catches me unprepared

-.065

.050

.059

.597