University of Tokyo

Abstract
Survey Number 1014
Survey Title 4th Nationwide Survey of Sexual Behavior among Young People (JASE SSJDA edition), 1993
Depositor Seishonen no seikoudou zenkoku chosa kenkyukai
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Period of Data Use Permission One year
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Summary This is the fourth “Survey of Sexual Behavior among Young People” conducted by the Japanese Association for Sex Education; this survey has previously been conducted three times, in 1974, 1981, and 1987.

The purpose of this survey is as follows.
(1) To clarify the progress status of the age of having sexual experience of Japanese youth, and its changes over time, in terms of physiological, psychological, and behavioral aspects.
(2) To clarify the actual state of consciousness concerning sexual activity of young adults and to examine the relationship between individual differences in sexual experience, social background, etc.
(3) To clarify the realities of sex-related crimes, which have not been sufficiently analyzed to date, and sexual intercourse and contraception use in the light of AIDS and STDs (Sexually Transmitted Diseases).
Data Type quantitative research: micro data
Universe Male and female students from first year of junior high school to fourth year of university
Unit of Observation Individual
Sample Size Sample size: 4,944 people (2,440 boys, 2,504 girls)
A sample of 4,944 responses for analysis was extracted from the responses collected from nine locations in Japan, using a random sampling method with quotas allocated on the basis of region, school type, year level, and gender, taking into account the distribution of the student population nationwide.
Date of Collection 1993-11 ~ 1994
November 1993 - 1994
Time Period 1993 ~ 1994
Spatial Unit hokkaido
tokyo
kyoto
akita
shimane
kumamoto
iwate
toyama
kochi
Nine locations in Japan: Three large cities with populations in excess of one million (Sapporo City, Tokyo Metropolis, Kyoto City), three medium-sized cities (Akita, Matsue, Kumamoto Cities),three small municipalities (vicinity of Iwaizumi Town in Iwate Prefecture, vicinity of Fukumitsu Town in Toyama Prefecture, vicinity of Kubokawa Town in Kochi Prefecture)
Sampling Procedure 83 schools in all were selected from the survey locations, taking into consideration the number of students, school type, and school size. Then, some classes (in some cases, all classes) from each school were selected to be the target population.
Mode of Data Collection Self-administered questionnaire: Paper
Collective survey
Investigator Seishonen no seikoudou zenkoku chosa kenkyukai, survey carried out by JASE(The Japanese Association for Sex Education)
DOI 10.34500/SSJDA.1014
Sponsors (Funds)
Related Publications (by the Investigator) Questionnaire
Related Publications (based on Secondary Analysis) List of related publications (based on Secondary Analysis)
Documentation
Major Survey Items [Face Items]
Gender, school, year in school, area of residence up to the time of graduation from junior high school (population of one million or more/500,000 or more/100,000 or more/town or village, etc.), parents’ occupation/occupation type (office work/other than office work), presence of siblings, impression of “home” and “school” (from elementary school to university), place of school currently attending, whether or not respondent has own room, whether or not respondent has own TV/video player, presence of a car respondent can freely use, whether or not respondent has a part-time (arubaito) job, presence of close friends of the same sex, presence of close friends of the opposite sex, presence of a boyfriend/girlfriend

(1) Physiological sexual development
- Ejaculation experience (spermarche)
Existence of ejaculation experience, location and age of first experience
- Menstruation experience (first menstrual period)
Presence of menstruation/age

(2) Psychological sexual development
- Interest in sex
Interest in sex/age, thoughts about premarital sex, thoughts about marriage, thoughts about division of labor by gender, things respondent wants to know about sex, whether respondent has received sex education/what were taught/whether or not it has been useful, impression of the word “sex” and “sexual intercourse,” factors affecting sexual behavior and consciousness/factors most affecting these, frequency of discussing sexual issues with friends, degree of curiosity about friends’ sexual behavior and experience

- Desire for intimate contact (opposite sex/same sex)
Experience of desiring intimate contact with someone of the opposite sex/age, experience of intimate contact with someone of the opposite sex/age
Whether respondent has ever been sexually attracted to someone of the same sex, experience of intimate contact with someone of the same sex/age/current situation

- Sexual arousal
Whether or not respondent has experienced sexual arousal/age/motivation

- Desire for kissing
Desire to sexually kiss someone/age

(3) Development of sexual behavior
- Dating experience
Experience of desiring intimacy with someone of the opposite sex/age, whether or not respondent has dating experience, age when respondent first started dating, whether respondent is currently dating someone, which one initiates going out on a date

- Masturbation experience
Masturbation experience/age/current situation/frequency/thoughts

- Kissing experience
Experience of sexually kissing someone/age/situation/motivation

- Making out experience
Experience of making out with someone/age

- Sexual intercourse experience
Whether or not respondent has experienced sexual intercourse/age/partner (boyfriend/girlfriend, just a friend, etc.), partner’s age/situation/motive/place, what respondent felt during the sexual intercourse experience, presence of contraception, reason for not using contraception, number of people respondent has had sexual intercourse with, presence of a sexual partner now/what kind of person he or she is (boyfriend/girlfriend, just a friend, etc.), concern about venereal diseases, concern about the possibility of pregnancy, use of contraception/method/situation

(4) Sex-related crimes
Types of sex-related crimes experienced/person who did it

*For details of survey items, please refer to the questionnaire.
Date of Release 2015/05/26
Topics in CESSDA Click here for details

Compulsory and pre-school education
Higher and further education
Reproductive health
Youth
Topics in SSJDA Society/Culture
Version 1 : 2015-05-26
Notes for Users Variable and value labels are written in Japanese.