Table 2 Internal reliability and convergent validity of YSI-Q 20 items

 a. I expect to have sex with my partner

0.93

0.95

0.730

0.930

 b. I want to have sex with my partner

0.95

 c. I intend to have sex with my partner

0.95

 d. I would like to have sex to see what it is like.

0.78

 e. I would have sex now if I could find a partner who would do it with me

0.58

 a. I believe a sexual encounter that lasts only once is all right.

0.89

0.79

0.622

0.890

 b. I believe youths who have never been involved in sexual intercourse before marriage are old-fashioned.

0.77

 c. Youths should have sex before their marriage to see whether they are suited to each other.

0.83

 d. Youths can have sex provided they use methods to stop pregnancy.

0.86

 e. Youths can have sex if they are unable to control their sexual desire.

0.68

 a. Most of my friends are practicing sex before marriage.

0.94

0.86

0.724

0.940

 b. Most of my friends think it is mature to practice sex at my age.

0.81

 c. Most of my friends think female youths do not have to maintain their virginity.

0.79

 d. Most of my friends think that male youths are allowed to practice sex before marriage.

0.90

 e. Most of my friends think that you can have sex before marriage if you are in love.

0.89

 f. Most of my friends think that youths who have never been involved in sexual intercourse before marriage are old-fashioned.

0.85

 a. I know when I can have sex.

0.90

0.72

0.712

0.907

 b. I know where I can have sex.

0.91

 c. I can decide on my sexual activity.

0.92

 d. Whether I have sex or not is entirely up to me.

0.81