ICPSR sequential record identifier
R's sex
R's age
R's marital status
Number of employees who work for R (if R has any employees)
Part-time or full time (if R is self-employed)
R's working hours (if R is self-employed)
R's work period (year) for the current job (if R is self-employed)
R's work period (month) for the current job (if R is self-employed)
Number of R's subordinates
Whether R has subordinates or not
R's past working hours (of unemployed, but had worked before)
R's attempt of job search for the past week (if unemployed)
R's monthly income for the current job (categorical)
Total average monthly income from the main job(if R has a job)
R's extra income outside the current job
Whether R has any extra income
R's monthly extra income (categorical)
Total average monthly income from other sources (if R has a job)
Whether R has any work experience
Whether R has income (if unemployed)
R's monthly income (if unemployed) (categorical)
Total average monthly income (if R is unemployed)
Whether the spouse has a job
Whether the spouse is an employee
Spouse's employment status
part-time or full-time (if the spouse is working for someone)
Spouse's working hours (if the spouse is working for someone)
Spouse's working hours (If the spouse is self-employed)
number of spouse's subordinates
Spouse's past working hours (if the spouse is unemployed, but had worked before)
Spouse's attempt to find a job for the past week (if the spouse is unemployed)
Spouse's current job search (if the spouse is unemployed)
Spouse's monthly income (if the spouse has a job)
Spouse's total average monthly income from the main job(if the spouse has a job)
Spouse's extra income outside the current job (if the spouse has a job)
Whether the spouse has any extra income (if the spouse has a job)
Spouse's total average monthly income from other sources (if the spouse has a job)
Spouse's monthly extra income (if the spouse has a job) (categorical)
Whether the spouse has an income (if the spouse is unemployed)
Total average monthly income (if the spouse is unemployed)
Spouse's monthly income (if the spouse is unemployed) (categorical)
Monthly household income (categorical)
Total average monthly income of the household
R's religious denomination (if R has any religion)
Political orientation
Frequency of reading the newspaper
Average time reading newspapers: hours
Average time watching TV: hours
Most frequently watched kind of TV program
Average time using the Internet: hours
Average time using e-mails: hours
Average time using the mobile phone: hours
The most important thing in life
Second most important thing in life
Number of alive children whose ages are 18 and older
The gender of a child that R has the most contact with
Number of close friends at work place
Number of friends who live in the neighborhood
Number of close friends from other connections
A person who R feels the closest (aside from the partner)
Frequency of seeing/visiting the closest friend
Frequency of contacting with the best friend via telephone, letter, fax, or e-mail
Average number of people whom R makes contacts with per day
First person who R would ask for help when sick
Second person who R would ask for help when sick
First person who R would ask for help when R needs to borrow large sum of money
Second person who R would ask for help when R needs to borrow large sum of money
First person who R would ask for help when depressed
Second person who R would ask for help when depressed
Whether it is a government's responsibility to provide childcare for everyone who wants it
Government's responsibility on providing a decent standard of living for the old
Favorite TV show
Second favorite TV show
Favorite genre of music
The most often used method to listen to music
The most often used method to watch movies
Whether R uses the high-speed internet
Whether R uses the cellular phone wireless Internet
Whether R uses the ground digital multimedia broadcasting(DMB)/satellite digital multimedia broadcasting (DMB)
Whether R uses the satellite TV/cable TV
Whether R uses the Internet TV/ video on demand (VOD)
Whether R uses the personal home page/mini home page/blog
Number of children
Whether R had pain in any body part in the last year
Whether R had pain in hands/wrists/fingers
Side of hands/wrists/fingers that had pain
Duration of pain in hands/wrists/fingers
How severe was the pain in hands/wrists/fingers
Frequency of the pain in hands/wrists/fingers in the last year
Whether R had these pains in hands/wrists/fingers in the last week
What happened due to these pains in hands/wrists/fingers in the last year
Whether R had pain in arms/elbows
Side of arms/elbows that had pain
Duration of pain in arms/elbows
How severe was the pain in arms/elbows
Frequency of the pain in arms/elbows in the last year
Whether R had these pains in arms/elbows in the last week
What happened due to these pains in arms/elbows in the last year
R's average hours using the Internet (hour)
R's average hours using the Internet (minute)
Average hours of R's child(ren) using the Internet (hours)
Average hours of R's child(ren) using the Internet (minutes)
Whether R uses Social Network Service
Primary purpose of Social Network Service use
Average hours using Social Network Service (hour)
Average hours using Social Network Service (minute)
Whether R thinks his/her Social Network Service use is excessive
Age of R when R's mother passed away (if R's mother had passed away)
Reason R's mother passed away (if R's mother had passed away)
Age of R when R's father passed away (if R's father had passed away)
Whether R felt joy throughout the day yesterday
Whether R felt peacefulness throughout the day yesterday
Whether R felt worry throughout the day yesterday
Whether R felt sadness throughout the day yesterday
The country where R's father was born
The country where R's mother was born
R's influence over the decision regarding how to carry out daily tasks at work
R's influence in deciding on company guidelines regarding group activity
Desirable form of the government to serve the public interest
Frequency of reading books in the free time
Frequency of attending cultural events in the free time
Frequency of getting together with relatives in the free time
Frequency of getting together with friends in the free time
Frequency of playing cards or board games in the free time
Frequency of listening to music in the free time
Frequency of taking part in physical activities such as sports in the free time
Frequency of attending sporting events as a spectator in the free time
Frequency of doing handicrafts such as needle work, wood work, etc. in the free time
Frequency of spending time on the Internet/PC in the free time
Frequency of taking a nap in the free time
Frequency of drinking in the free time
Frequency of going to a Karaoke in the free time
Frequency of going to sauna, hot spring, 'zzimzilbang' (Korean style hot sauna) in the free time
Frequency of talking on the phone with family, friends, or relatives in the free time
How much free time activities enable R to be the kind of person who R is
How much free time activities enable R to have stronger relationships with other people
Use free time to establish useful contacts
Use free time to recover and relax
Use free time trying to learn and develop skills
Frequency of feeling bored during free time
Frequency of feeling rushed during free time
Frequency of thinking of work during free time
Preference of spending the free time alone or together
Number of nights stayed outside in the last 12 months
Number of day offs in the last 12 months
Physical activity that R takes part in the most frequently
Physical activity that R takes part in second mostly
Most frequently played game
Whom R plays game with
Importance of physical or mental as a reason for playing games
Importance of meeting another people as a reason for playing games
Importance of competing against others as a reason for playing games
Importance of looking good as a reason for playing games
Most frequently watched sports on TV
Second frequently watched sports on TV
Feeling proud when Korea does well at an international sports competition
Yesterday's wake-up time: hour
Yesterday's bedtime: hour
R's height
R's weight
Belief about the existence of God
Belief in life after death
Belief in Heaven
Belief in Hell
Belief in religious miracles
Belief in reincarnation
Belief in Nirvana
Belief in supernatural powers of deceased ancestors
Mother's religion
The religious denomination of R's mother (if R's mother was religious)
Father's religion
The religious denomination of R's father (if R's father was religious)
The religion that R was raised in (when R was a child)
The denomination of the religion that R was raised in (if R was raised in religion)
R's Spouse's religion
The religious denomination of the spouse (if he/she was religious)
Frequency of R's mother attended the religious services (when R was a child)
Frequency of R's father attended the religious services (when R was a child)
Frequency of R attended the religious services when R was around 11 or 12
Frequency of R's pray
Frequency of R taking part in activities of a religious group other than attending services
Whether R has a religious object at home for religious reasons
Frequency of visiting holy places
Self-evaluation on R's religiousness
Self-evaluation on R's interest in spirituality
Opinion on the truth in religion
Ideal number of children (2006,2008,2012)
Average hours of doing housework in a week
Average hours of looking after family members in a week
Frequency of work-family conflicts: I have come home from work too tired to do the chores which need to be done.
Frequency of work-family conflicts: it has been difficult for me to fulfill my family responsibilities because of the amount of time I spent on my job
Frequency of work-family conflicts: I have arrived at work too tired to function well because of the household work I had done.
Frequency of work-family conflicts: I have found it difficult to concentrate at work because of my family responsibilities.
General satisfaction with the family life
Whether R's mother worked for a pay more than a year before R turned 14
R's working status when a child was under school age
R's working status after the youngest child started school
Spouse's working status when a child was under school age
Spouse's working status after the youngest child started school
Main decision-maker about bring up the children between R and the spouse
Government's responsibility to promote equality between men and women
Actors that are primarily responsible for providing health care for the sick
Actors that are primarily responsible for providing care for older people
Actors that are primarily responsible for providing school education for children
The most influential organization on government actions
The second most influential organization on government actions
Opinion on what affects the policies in Korea
Opinion on government having the right to keep people under video surveillance in public areas
Opinion on government having the right to monitor e-mails and any other information exchanged on the internet
Opinion on public security and government information access
Opinion on government having the right to collect information about anyone living in Korea without their knowledge
Opinion on government having the right to collect information about anyone living in other countries without their knowledge
R's political interest
Frequency of tax authorities making sure that people pay their taxes
Frequency of tax authorities treating everyone in accordance with the law, regardless of their contacts or position in society
Frequency of major private firms complying with laws and regulations
Frequency of major private firms trying to avoid paying their taxes
political actions: posting and sharing election materials such as writings, pictures, videos, and audios on the Internet, Social Network Service or KakaoTalk
Political actions: participating in online group activities (ribbon & banner, memorial activity, sharing posts, etc.)
Political actions: visiting online community boards, online cafes, and club, web portals, or online news sites, and posting politics-related messages or replying to articles
Preference for the gender of a child
Ideal number of children (2014)
Desirability of three generations sharing a home
Number of older brothers (including the deceased)
Number of older sisters (including the deceased)
Number of siblings - R
Number of younger brothers (including the deceased)
Number of younger sisters (including the deceased)
Number of siblings in total (including the deceased and the R)
Number of the spouse's older brothers (including the deceased)
Number of the spouse's older sisters (including the deceased)
Number of the spouse's siblings - the Spouse
Number of the spouse's younger brothers (including the deceased)
Number of the spouse's younger sisters (including the deceased)
Number of the spouse's sisters in total (including the Spouse and the deceased)
Number of sons (if R has children, including those who have left home or are deceased)
Number of daughters (if R has children, including those who have left home or are deceased)
Whether R's father is alive (2006,2016)
Age of R's father
Marital status of R's father
Employment status of R's father
Living arrangement of R's father
How far R's father lives from R
Frequency of face-to-face contacts with R's father
Frequency of other contacts (phone calls, letters, and e-mails) with R's father
Whether R's mother is alive (2006,2016)
Age of R's mother
Marital status of R's mother
Employment status of R's mother
Living arrangement of R's mother
How far R's mother lives from R
Frequency of face-to-face contacts with R's mother
Frequency of other contacts (phone calls, letters, and e-mails) with R's mother
Whether spouse's father is alive
Age of spouse's father
Marital status of spouse's father
Employment status of spouse's father
Living arrangement of spouse's father
How far spouse's father lives from R
Frequency of face-to-face contacts with spouse's father
Frequency of other contacts (phone calls, letters, and e-mails) with spouse's father
Whether spouse's mother is alive
Age of spouse's mother
Marital status of spouse's mother
Employment status of spouse's mother
Frequency of R preparing dinner
Frequency of R doing laundry
Frequency of R cleaning the house
Frequency of doing house chores
Frequency of doing grocery shopping
Member of the family who is responsible for taking care of old parents
Opinions on gender roles: it is more important for a wife to help her husband's career than to pursue her own career (2006)
Opinions on gender roles: a husband's job is to earn money; a wife's job is to look after the home and family
Opinion on gender roles: men ought to do a larger share of household work than they do now
Opinions on gender roles: during economic recession, it is all right for women to be laid-off prior to men
Frequency of having a family supper
Frequency of doing leisure activities with the family
Year that R married current spouse
R's age when he/she got married with the current spouse
Whether the current marriage is R's first marriage
R's age for his/her first marriage
Whether the current marriage is Spouse's first marriage
How R got to know the current spouse at first
(if it was by arrangement or introduction) person who arranged the first meeting
Where R met the current spouse (if R got to know the spouse by his/herself)
Parents' influence on the marriage decision with the current spouse
Agree or disagree: my spouse listens to my troubles
Agree or disagree: my spouse speaks his/her troubles to me
Frequency of the spouse preparing dinner
Frequency of the spouse doing laundry
Frequency of the spouse cleaning the house
Family decision maker: children discipline and education
Family decision maker: support for one's own parents
Family decision maker: purchasing higher cost items
Satisfaction in marriage
Amount of the financial assistance from R's parents after marriage
Amount of the financial assistance from R's parents-in-law after marriage
R's health condition
Spouse's health condition
R's father's health condition
R's mother's health condition
R's father-in-law's health condition
R's mother-in-law's health condition
Size of the region R lived in the longest before the age 15
Men's appropriate age to get married
Women's appropriate age to get married
Agree or disagree: when a mother gets employed, her preschool children would suffer
Frequency of R's spouse doing house chores
Frequency of R's spouse doing grocery shopping
Frequency of watching Japanese animations
Frequency of watching Chinese movies
Frequency of watching Korean TV dramas
Whether R did the fortune-telling of name when considering the name of the child (if R has a child)
Extent of caring about the auspicious or ominous day for special occasions
Importance of honesty as a quality of a friend
Importance of responsibility as a quality of a friend
Importance of intelligence as a quality of a friend
Importance of being cultured as a quality of a friend
Importance of power as a quality of a friend
Importance of wealth as a quality of a friend
Importance of loyalty as a quality of a friend
Importance of warm-heartedness as a quality of a friend
Opinions on gender roles: it is more important for a wife to help her husband's career than to pursue her own career (2008)
Opinion on patriarchy: the authority of father in a family should be respected under any circumstances (2008)
Frequency of smoking
Number of years of smoking
Whether vaccinated against influenza during the last 12 months
Social characteristics of the non-kins with the most frequent contact
Number of neighbors on greeting terms
Number of neighbors whom R can ask a favor
Number of years that R has been living in the same area
Household head: gender
Household head: age
Number of family members living together
Number of family members living away from R
Number of non-family members living together
Whether R lives with a partner