Respondent code
Start time
End time
Total length in seconds
Country
Mobile
Participated in a survey in the last 14 days
Preferred questionnaire language [multilingual countries]
Agreement to answer to the survey
Month - date of birth
Year - date of birth
Highest level of school completed, or highest degree received
Gender
Age group
Relationship status
Country of birth - respondent
Country of birth - mother/first parent
Country of birth - father/second parent
Country of birth - spouse/partner
Sexual orientation
Main source of household income
Preferred reference period for household income
Household's total net income per year
Household's total net income per month
Household's total net income per week
Income group
Region/geographical area of residence
Type of residence
Distance of nearest large town/city (over 50,000 people)
Years in current municipality
Household's size [16 years or older]
Own children living in the household (young or adult)
Own children living outside the household (young or adult)
Children 0 to 5 yo in the household
Children 6 to 15 yo in the household
Last child left the household
Distance from nearest child
Others living in the same dwelling (flatmates, lodgers)
Grandchildren (own or partner's)
Cat at home
Dog at home
Bird or fish at home
Small mammals at home
Other pet at home
No pet at home
Working status
Occupation group
Employment status
Contract type
Regular help provided to other adults (e.g., personal care)
Work-life balance
Work arrangement
Order of appearance of loneliness_djg and loneliness_ucla
DJG Lonelin. Scale: I experience a general sense of emptiness
DJG Lonelin. Scale: I miss having people around
DJG Lonelin. Scale: I often feel rejected
DJG Lonelin. Scale: There are plenty of people I can rely on when I have problem
DJG Lonelin. Scale: There are many people I can trust completely
DJG Lonelin. Scale: There are enough people that I feel close to
Frequency of meeting up family face-to-face
Frequency of talking/chatting via phone, internet or social media with family
Close family members
Frequency of meeting up friends face-to-face
Frequency of talking/chatting via phone, internet or social media with friends
Close friends
Frequency of contacts with neighbours
Availability of support if confined to bed
Availability of support with private worries and fears
Availability of support: People to do something enjoyable with
Availability of support: Someone to love and make you feel wanted
Degree of happiness of relationship with partner
Frequency of participation in social activities
Frequency of cultural activities and/or sport events
Frequency of participation in a training course
UCLA Loneliness Scale: Feel lack of companionship
UCLA Loneliness Scale: Feel left out
UCLA Loneliness Scale: Feel isolated from others
Need to meet close friends and family members face-to-face
Self-assessed loneliness frequency (over past 4 weeks)
Intensity of loneliness
Life events: Separation from spouse/ partner
Life events: Diagnosis of severe illness or injury (own)
Life events: Diagnosis of severe illness or (close family member)
Life events: Loss of employment
Life events: End of studies
Life events: Retirement
Life events: COVID-19 infection (own)
Life events: COVID-19 infection (household member)
Life events: Severe conflicts at home
Life events: Severe conflicts at work
Life events: None of the above
Life events: Prefer not to say
Life events: Lost spouse or partner
Heard/seen about initiatives to support those feeling lonely
Loneliness interventions: Seeing friends, family members
Loneliness interventions: Doing sports alone
Loneliness interventions: Doing sports with others
Loneliness interventions: Looked for self-help
Loneliness interventions: Sought professional help by a therapist
Loneliness interventions: Contacted a specialised charity/association/ NGOs
Loneliness interventions: Contacted a church or religious organisation
Loneliness interventions: Joined a club or a group
Loneliness interventions: Volunteered
Loneliness interventions: Used more social media
Loneliness interventions: Took time for myself
Loneliness interventions: Wanted to do something
Loneliness interventions: Other, not listed above
Loneliness interventions: None of the above
Loneliness interventions: Don’t know
Loneliness interventions: Prefer not to say
Role in supporting lonely people: National government
Role in supporting lonely people: Local government
Role in supporting lonely people: Individuals and families
Role in supporting lonely people: Employers
Role in supporting lonely people: Non-profits and charities
Role in supporting lonely people: Schools and educational institutions
Loneliness at work: I feel isolated when working
Loneliness at work: My colleagues help and support me
Loneliness at work: My manager helps and supports me
Loneliness in education: I feel isolated at my place of education
Loneliness in education: My classmates or peers help and support me
Loneliness in education: My teachers help and support me
EXAMPLE_NUMBER
Role played in experiment (randomly assigned)
Counterpart status in experiment (randomly assigned)
Comprehension question: A's coins
Comprehension question: B's coins
A's behaviours: Coins to B
A's expectations: Coins returned by B
A's believes: B's closeness
B's behaviours: Coins to A, if 3 received
B's behaviours: Coins to A, if 6 received
B's behaviours: Coins to A, if 9 received
B's behaviours: Coins to A, if 12 received
B's behaviours: Coins to A, if 15 received
B's expectations: Coinssent by A
B's believes: A's closeness
Loneliness: Individual or societal issue
Loneliness: Individual or societal responsibility
Frequency of social media use: Searching for specific information
Frequency of social media use: Scrolling through social media feeds
Frequency of social media use: Posting content, commenting on posts
Frequency of social media use: Watching videos and video blogs on social media
Frequency of social media use: Being in contact/chatting with other people
Social media behaviour: I neglected work, school or family related duties
Social media behaviour: I turned to social media to feel better
Usefulness of social network sites against loneliness
Usefulness of instant messaging tools against loneliness
Social media behaviour: Get in contact with new people
Social media behaviour: Be in contact with people who share my interests
Social media behaviour: More confident chatting online than face -to-face
Social media behaviour: A way to replace face-to-face social contacts
Daily time spent: Social network sites
Daily time spent: Instant messaging tools
Daily time spent: Playing video games
Daily time spent: Watching TV or content on streaming platforms
Frequency of feeling (past week): Happy
Frequency of feeling (past week): Angry
Frequency of feeling (past week): Nervous
Frequency of feeling (past week): Hopeless
Frequency of feeling (past week): Restless or fidgety
Frequency of feeling (past week): Depressed
Frequency of feeling (past week): Worthless
Risk-taking: Driving, riding a bike etc.
Risk-taking: Taking financial decisions
Risk-taking: Health
Social attitudes: Willing to give to good causes
Social attitudes: Willing to volunteer my time
Impatience: Willing to give up something to benefit more in the future
Social attitudes: Trust in others
Attitudes towards the government
Political support
Own mental and physical health when growing up
Close relatives during childhood: Smoked heavily
Close relatives during childhood: Drank heavily
Close relatives during childhood: Severe illnesses
Close relatives during childhood: Mental health problems
Close relatives during childhood: None of the above
Close relatives during childhood: Prefer not to say
Quality of relationship during childhood: Mother/ first parent
Quality of relationship during childhood: Your father/ second parent
Lived with both of parents during childhood
During your school years presence of close group of friends
Attendance to religious services (before age 16)
Attendance to religious services (last 12 months)
Self-reported overall physical and mental health
Self-reported long-lasting physical or mental health conditions
Consequences of conditions for day-to-day activities
Weight
Weight (pounds)
Height
Height (inches)
Health behaviours: Smoke 10 or more cigarettes per day
Health behaviours: Consume three servings of fruit and vegetables per day
Health behaviours: Physical activity (past week)
Consent to be recontacted
Country-specific survey weight based on 5 variables incl. income
Country-specific survey weight based on 4 variables
Population correction factor
EU-27 survey weight based on 5 variables incl. income [w_country_5 x w_populatio
EU-27 survey weight based on 4 variables [w_country x w_population]