Table 1 Subjects’ characteristics

Gender

 Male

67

(51.1%)

 Female

64

(48.9%)

Ages

 Range (mean)

22–56

(28.74)

Province

 Jakarta

21

16.03%

 West Java

18

13.74%

 Central Java

18

13.74%

 Yogyakarta

32

24.43%

 East Java

10

7.63%

 Bali

10

7.63%

 Sumatera

7

5.34%

 Borneo

5

3.82%

 Celebes

5

3.82%

 Banten

4

3.05%

 Papua

1

0.76%

Occupation

 Unemployed

13

9.92%

 Student

21

16.03%

 Professional

48

36.64%

 Trader/businessman

12

9.16%

 Officer

32

24.43%

 Farmer/labor

2

1.53%

 Soldier/police

3

2.29%

Education

 High school

7

5.34%

 Graduate

113

86.26%

 Post graduate

11

8.40%

Marital status

 Married

95

71.97%

 Unmarried

37

28.03%

Sexual orientation

 Heterosexual

126

96.18%

 Homosexual

3

2.29%

 Bisexual

2

1.53%

Chronic illness

 Erectile dysfunction

2

1.53%

 Asthma

1

0.76%

 Psychiatric disorder (depression)

1

0.76%

 No chronic illness

127

96.95%

Use of PDE-5i

 Yes

4

3.05

 No

127

96.95

Sexual partner

 Wife/husband

95

72.51

 Boy/girlfriend

31

23.66

 Secret lover

2

1.52

 Friend

3

2.29

Ways to have sex

 Penis-vagina only

88

67.2%

 Penis-vagina + oral sex

36

27.5%

 Oral sex only

1

0.8%

 Penis-vagina + oral sex + anal sex

2

1.5%

 Oral + Anal sex

2

1.5%

 Anal sex

1

0.8%

 Masturbate

1

0.8%