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Table 1 Overview of indicators

From: Underlying factors related to HIV/AIDS prevention: investigating the willingness to take pre-exposure prophylaxis among men-who-have-sex-with-men in Germany

Explanatory area

Indicator

Categories

Original variable

Wording of original variable

Info about PrEP

We would like to know your opinion about the so-called PrEP (abbreviation for Pre-Exposure Prophylaxis. PrEP should not be confused with the Post-Exposure Prophylaxis (PEP), which is taken after a risk situation occurred. HIV-negative people can protect themselves effectively against HIV-infection by regularly taking a preventive HIV-medication (PrEP). However, infections can still occur if the medication is not taken daily. In Europe this preventive method with anti-HIV drugs, has not been approved yet

Dependent variable

Willingness to take PrEP

0—No

1—Yes

prp5

In principle, would you be prepared to take a medication as a preventive measure to reduce the risk of HIV-infection?

I. HIV-vulnerability

Subjective HIV-vulnerability

0—No risk

10—High risk

sxz2

How high is the risk that you get an infection in the last 12 months?

II. Social norms

Anticipated HIV-stigma

1—Very unlikely

4—Very likely to occur

psy6

Which of the following situations could happen to you if you became infected?

   

psy6_1

Friends and acquaintance might think I’ve failed

   

psy6_2

Friends would reproach me;

   

psy6_3

My family would be disappointed;

   

psy6_5

Family and friends would avoid me

III. Practices

Attendance of sex-on-premise venue

1—Never

5—Very frequently

sze1

How often did you visit these places in the last 12 months?

   

sze1_4

Darkroom, sex club, public sex party;

   

sze1_5

Private sex party;

   

sze1_6

Sauna and porn-cinema;

   

sze1_7

Outdoor cruising area

 

Engagement in e-dating

0—None

5—All of them

sze2

How many sex partners did you meet through mobile apps and the Internet in the last 12 months?

 

Condomless intercourse

1—Always (uses condom)

5—Never (uses condom)

sxa11

How often in the last 12 months you used condom during anal intercourse with casual partners?

 

Drug use

1—None

2—Party drugs only

3—Viagra only

4—Both

sub4

How often did you use the following substances in the last 12 months?

   

sub4_1

Viagra

   

sub4_2

Cannabis, Hashish, Marijuana

   

sub4_3

MDMA, Ecstasy, Mephedrone

   

sub4_4

Methamphetamine, Crystal meth

   

sub4_5

Cocaine

   

sub4_6

Heroin, Opium, Morphine

   

sub4_7

Ketamine, GHB/GBL

IV. Social background

Age

Years

soz2

Please, provide your birth year

 

Relationship status

0—Not single

1—Single

bez1

Are you currently engaged in a steady relationship?

 

Educational attainment

0—Lower secondary level or below

1—Upper secondary level or higher

ses1

What is your highest professional qualification? Or, if you are still in training, what degree do you aspire to?

 

Monthly net household income

1—Lowest quintile

5—Highest quintile

ses5

What is approximately the monthly net income of your entire household?