Topic Detailed topic Variable identifier Variable name/variable description

01. Technical Items – 15 mandatory technical variables, — 2 optional technical variables Data collection information REFYEAR Year of survey

Data collection information INTDATE Reference date – first interview date

Data collection information STRATUM_ID Stratum

Data collection information PSU Primary sampling unit

Identification HH_ID Household ID

Identification IND_ID Individual ID

Identification HH_REF_ID ID of the household the individual belongs to

Weights HH_WGHT Household weight

Weights IND_WGHT Individual weight

Interview characteristics TIME Interview duration

Interview characteristics INT_TYPE Interview type

Localisation COUNTRY Country of residence

Localisation GEO_NUTS1 Region of residence

Localisation GEO_NUTS2 (optional) Region of residence (optional)

Localisation GEO_NUTS3 (optional) Region of residence (optional)

Localisation DEG_URBA Degree of urbanisation

Localisation GEO_DEV Geographical location

02. Person and household characteristics — 7 collected variables, — 1 derived variable, – 7 optional variables Demography SEX Sex

Demography YEARBIR Year of birth

Demography PASSBIR Passing of birthday

Demography AGE Age in completed years

Citizenship and migrant background CITIZENSHIP Country of main citizenship

Citizenship and migrant background CNTRYB Country of birth

Household composition HH_POP Household size (number of members in the household)

Household composition HH_POP_16_24 (optional) Number of members of the household aged from 16 to 24 (optional)

Household composition HH_POP_16_24S (optional) Number of students of the household aged 16 to 24 (optional)

Household composition HH_POP_25_64 (optional) Number of members of the household aged from 25 to 64 (optional)

Household composition HH_POP_65_MAX (optional) Number of members of the household aged more than or equal to 65 (optional)

Household composition HH_CHILD Number of children under 16

Household composition HH_CHILD_14_15 (optional) Number of children aged from 14 to 15 (optional)

Household composition HH_CHILD_5_13 (optional) Number of children aged from 5 to 13 (optional)

Household composition HH_CHILD_LE_4 (optional) Number of children aged less than or equal to 4 (optional)

03. Labour market participation — 5 collected variables, — 3 optional variables Main activity status (self-defined) MAINSTAT Main activity status (self-defined)

Elementary job characteristics STAPRO Status in employment in main job

Elementary job characteristics NACE1D (optional) Economic activity of the local unit for main job (optional)

Elementary job characteristics ISCO2D Occupation in main job

Elementary job characteristics OCC_ICT ICT professional or non-ICT professional

Elementary job characteristics OCC_MAN Manual worker or non-manual worker

Elementary job characteristics EMPST_WKT (optional) Full- or part-time main job (self-defined) (optional)

Duration of contract EMPST_CONTR (optional) Permanency of main job (optional)

04. Educational attainment and background — 1 collected variable, — 1 derived variable Educational attainment level ISCEDD Educational attainment level (highest level of education successfully completed)

Educational attainment level ISCED Educational attainment level aggregated

05. Income, consumption and elements of wealth, including debts — 1 collected variable Total monthly household income HH_IQ5 Total average net current monthly income

06. Information society participation – 122 collected variables, — 5 optional variables Access to ICT IACC Access of the household to the internet at home (by any device)

Access to ICT BBFIX Use of fixed broadband connections for access to the internet at home

Access to ICT BBMOB Use of mobile broadband connections for access to the internet at home (via mobile phone network, at least 3G)

Use and frequency of use of ICT IU Most recent internet use, at any location, with any enabling device

Use and frequency of use of ICT IFU Average frequency of internet use in the last 3 months

Use and frequency of use of ICT IFU_D Internet use several times during the day

Use and frequency of use of ICT IUG_DKPC Internet use in the last 3 months on a desktop computer

Use and frequency of use of ICT IUG_LPC Internet use in the last 3 months on a laptop

Use and frequency of use of ICT IUG_TPC Internet use in the last 3 months on a tablet

Use and frequency of use of ICT IUG_MP Internet use in the last 3 months on a mobile phone or smart phone

Use and frequency of use of ICT IUG_OTH1 Internet use in the last 3 months on other devices (such as smart TV, smart speakers, game console, e-book reader, smart watch)

Internet activities IUEM Internet use in the last 3 months for private purpose for sending/receiving e-mails

Internet activities IUPH1 Internet use in the last 3 months for private purpose for making calls (including video calls) over the internet

Internet activities IUSNET Internet use in the last 3 months for private purpose for participating in social networks (creating user profile, posting messages or other contributions)

Internet activities IUCHAT1 Internet use in the last 3 months for private purpose for instant messaging (exchanging messages)

Internet activities IUNW1 Internet use in the last 3 months for private purpose for reading online news sites, newspapers or news magazines

Internet activities IHIF Internet use in the last 3 months for private purpose for seeking health-related information (such as about injuries, diseases, nutrition, improving health)

Internet activities IUIF Internet use in the last 3 months for private purpose for finding information about goods or services

Internet activities IUPOL2 Internet use in the last 3 months for private purpose for expressing opinions on civic or political issues on websites or in social media

Internet activities IUVOTE Internet use in the last 3 months for private purpose for taking part in on-line consultations or voting to define civic or political issues (such as urban planning, signing a petition)

Internet activities IUJOB Internet use in the last 3 months for private purpose for looking for a job or sending a job application

Internet activities IUSELL Internet use in the last 3 months for private purpose for selling goods or services via a website or app

Internet activities IUBK Internet use in the last 3 months for private purpose for internet banking (including mobile banking)

Internet activities IUOLC Internet use in the last 3 months for conducting learning activities for educational, professional or private purposes, by doing an online course

Internet activities IUOLM Internet use in the last 3 months for conducting learning activities for educational, professional or private purposes, by using online learning material other than a complete online course (such as audiovisual materials, online learning software, electronic textbooks, learning apps)

Interaction with public authorities IGOV12IF Contact or interaction with public authorities or public services over the internet for private purposes in the last 12 months for obtaining information from websites or apps

Interaction with public authorities IGOV12FM Contact or interaction with public authorities or public services over the internet for private purposes in the last 12 months for downloading/printing official forms

Interaction with public authorities IGOV12RT Contact or interaction with public authorities or public services over the internet for private purposes in the last 12 months for submitting completed forms online

Interaction with public authorities IGOV12RTX_NAP Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months because there was no need to submit any official forms

Interaction with public authorities IGOV12RTX_SNA Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because no such online service was available

Interaction with public authorities IGOV12RTX_SKL Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because of lack of skills or knowledge (for example respondent did not know how to use the website or it was too complicated to use)

Interaction with public authorities IGOV12RTX_SEC Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because of concerns about protection and security of personal data

Interaction with public authorities IGOV12RTX_SIGN (optional) Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because of lack of electronic signature or electronic ID/certificate (required for using the services) or problems in using the electronic signature or electronic ID/certificate (optional)

Interaction with public authorities IGOV12RTX_PXOL (optional) Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because of unwillingness of the respondent to pay online (for example due to fear of credit card fraud) or inability to pay online (for example due to lack of access to payment methods required) (optional)

Interaction with public authorities IGOV12RTX_DEL Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months, because another person submitted completed forms online on the respondent’s behalf (such as consultant, a tax adviser, a relative or family member)

Interaction with public authorities IGOV12RTX_OTH Respondent did not submit any completed forms online to public authorities’ websites or apps for private purposes in the last 12 months because of other reasons

e-Commerce IBUY Last purchase or order of goods or services over the internet for private use

e-Commerce BCLOT1 Internet use for buying clothes (including sport clothing), shoes or accessories (such as bags, jewellery) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BSPG Internet use for buying sports goods (excluding sport clothing) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BCG Internet use for buying children toys or childcare items (such as nappies, bottles, baby strollers) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BFURN1 Internet use for buying furniture, home accessories (such as carpets or curtains) or gardening products (such as tools, plants) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BMUSG Internet use for buying music as CDs, vinyls, etc. from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BFLMG Internet use for buying films or series as DVDs, Blu-ray, etc. from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BBOOKNLG Internet use for buying printed books, magazines or newspapers from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BHARD1 Internet use for buying computers, tablets, mobile phones or accessories from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BEEQU1 Internet use for buying consumer electronics (such as TV-sets, stereos, cameras) or household appliances (such as washing machines) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BMED1 Internet use for buying medicine or dietary supplements such as vitamins (excluding online renewal of prescriptions) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BFDR Internet use for buying deliveries from restaurants, fast-food chains, catering services from enterprises or private persons via a website or app for private use in the last 3 months

e-Commerce BFDS Internet use for buying food or beverages from stores or from meal-kits providers from enterprises or private persons via a website or app for private use in the last 3 months

e-Commerce BCBW Internet use for buying cosmetics, beauty or wellness products from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BCPH Internet use for buying cleaning products or personal hygiene products (such as toothbrushes, handkerchiefs, washing detergents, cleaning cloths) from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BBMC Internet use for buying bicycles, mopeds, cars, or other vehicles or their spare parts from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BOPG Internet use for buying other physical goods from enterprises or private persons (including used goods) via a website or app for private use in the last 3 months

e-Commerce BPG_DOM Internet use for buying goods via a website or app in the last 3 months from national sellers (from enterprises or private persons)

e-Commerce BPG_EU Internet use for buying goods via a website or app in the last 3 months from sellers from other EU countries (from enterprises or private persons)

e-Commerce BPG_WRLD Internet use for buying goods via a website or app in the last 3 months from sellers from the rest of the world (from enterprises or private persons)

e-Commerce BPG_UNK Internet use for buying goods via a website or app in the last 3 months from sellers which country of origin is not known (from enterprises or private persons)

e-Commerce BPG_PP Goods bought from private persons via a website or app

e-Commerce BMUSS Internet use for buying or subscribing to music as a streaming service or downloads via a website or app for private use in the last 3 months

e-Commerce BFLMS Internet use for buying or subscribing to films or series as a streaming service or downloads via a website or app for private use in the last 3 months

e-Commerce BBOOKNLS Internet use for buying or subscribing to e-books, online-magazines or online-newspapers via a website or app for private use in the last 3 months

e-Commerce BGAMES Internet use for buying or subscribing to games online or as downloads for smartphones, tablets, computers or consoles via a website or app for private use in the last 3 months

e-Commerce BSOFTS Internet use for buying or subscribing to computer software or other software as downloads including upgrades via a website or app for private use in the last 3 months

e-Commerce BHLFTS Internet use for buying or subscribing to apps related to health or fitness (excluding free apps) via a website or app for private use in the last 3 months

e-Commerce BAPP Internet use for buying or subscribing to other apps (such as apps related to learning languages, travelling, weather) (excluding free apps) via a website or app for private use in the last 3 months

e-Commerce BSTICK Internet use for buying tickets to sports events via a website or app for private use in the last 3 months

e-Commerce BCTICK Internet use for buying tickets to cultural or other events (such as tickets to cinema, concerts, fairs) via a website or app for private use in the last 3 months

e-Commerce BSIMC Internet use for buying subscriptions to the internet or mobile phone connections via a website or app for private use in the last 3 months

e-Commerce BSUTIL Internet use for buying subscriptions to electricity, water or heating supply, waste disposal or similar services via a website or app for private use in the last 3 months

e-Commerce BHHS Internet use for buying household services (such as cleaning, babysitting, repair work, gardening) (also when bought from private persons) via a website or app for private use in the last 3 months

e-Commerce BHHS_PP Internet use for buying household services from private persons via a website or app for private use in the last 3 months

e-Commerce BTPS_E Internet use for buying transport services from a transport enterprise, such as local bus, flight or train ticket or taxi ride via a website or app for private use in the last 3 months

e-Commerce BTPS_PP Internet use for buying transport services from a private person via a website or app for private use in the last 3 months

e-Commerce BRA_E Internet use for renting accommodation from enterprises such as hotels or travel agencies via a website or app for private use in the last 3 months

e-Commerce BRA_PP Internet use for renting accommodation from a private person via a website or app for private use in the last 3 months

e-Commerce BOTS (optional) Internet use for buying any other services (excluding financial and insurance services) via a website or app for private use in the last 3 months (optional)

e-Commerce BF Number of times goods or services were bought over the internet via a website or app for private use in the last 3 months

e-Commerce IBV1 The total value of goods or services bought over the internet via a website or app for private use in the last 3 months

e-Commerce BFIN_IN1 Internet use for buying insurance policies, including travel insurance, also as a package together with, for example a plane ticket, via a website or app for private purposes in the last 3 months

e-Commerce BFIN_CR1 Internet use for taking a loan or mortgage or arranging credit from banks or other financial providers via a website or app for private purposes in the last 3 months

e-Commerce BFIN_SH1 Internet use for buying or selling shares, bonds, units in funds or other financial assets via a website or app for private purposes in the last 3 months

Barriers and problems to use BTFW1 Problems encountered with internet commerce: website difficult to use or it worked unsatisfactorily (for example it was too complicated, confusing, poorly functioning technically) when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BDGL1 Problems encountered with internet commerce: difficulties encountered in finding information on guarantees or other legal rights when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BSPD1 Problems encountered with internet commerce: slower speed of delivery than that indicated encountered when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BCPR1 Problems encountered with internet commerce: final costs higher than indicated (such as unexpected transaction fees or unjustified guarantee fees) experienced when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BWDN1 Problems encountered with internet commerce: wrong or damaged goods or services delivered when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BFRA1 Problems encountered with internet commerce: problems with fraud encountered (such as no goods or services received at all, misuse of credit card details) when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BCR1 Problems encountered with internet commerce: complaints and redress were difficult or no satisfactory response after complaint was received when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BDNS1 Problems encountered with internet commerce: foreign retailer did not sell to the respondent’s own country when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BOTH2 Problems encountered with internet commerce: other problems encountered when buying online via a website or app for private use in the last 3 months

Barriers and problems to use BARR2X No problems encountered when buying online via a website or app for private use in the last 3 months

Barriers and problems to use NBSHAB1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of a preference for shopping in person and/or for seeing a product, loyalty to shops, force of habit

Barriers and problems to use NBSKL1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of perceived difficulty of ordering online (concerns about sufficiency of skills)

Barriers and problems to use NBCD Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of concerns about cost of delivery of goods

Barriers and problems to use NBSR1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of concerns about reliability or speed of delivery

Barriers and problems to use NBPSC1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of payment security or privacy concerns

Barriers and problems to use NBTRCM1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of concerns about returning goods, complaints or reimbursement

Barriers and problems to use NBDNS1(optional) Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because a foreign retailer did not sell to the respondent’s own country (optional)

Barriers and problems to use NBNND Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because there was no need to buy online in the last 3 months

Barriers and problems to use NBOTH1 Barriers to internet commerce: no good or service was bought online via a website or app in the last 3 months because of other barriers to internet commerce

Digital skills CXFER1 Activities carried out in the last 3 months for educational, professional or private purposes involving copying or moving files (such as documents, data, images, video) between folders, devices (via email, instant messaging, USB, cable) or on the cloud

Digital skills CINSAPP1 Activities carried out in the last 3 months for educational, professional or private purposes involving downloading or installing software or apps

Digital skills CCONF1 Activities carried out in the last 3 months for educational, professional or private purposes involving changing settings of software, app or device (such as adjusting language, colours, contrast, text size, toolbars/menu)

Digital skills CWRD1 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving using word-processing software

Digital skills CPRES2 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving creating files (such as document, image, video) incorporating several elements such as text, picture, table, chart, animation or sound

Digital skills CXLS1 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving using spreadsheet software

Digital skills CXLSADV1 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving using advanced features of spreadsheet software (functions, formulas, macros and other developer functions) to organise, analyse, structure or modify data

Digital skills CEPVA1 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving editing photos, video or audio files

Digital skills CPRG2 Software-related activities carried out in the last 3 months for educational, professional or private purposes involving writing code in a programming language

Digital skills UDI Information or content (such as videos, images) seen on internet news sites or social media considered untrue or doubtful by respondent in the last 3 months

Digital skills TIC Truthfulness of the information or content found on internet news sites or social media checked by the respondent in the last 3 months

Digital skills TICCSFOI Truthfulness of the information or content found on the internet checked by the respondent by checking the sources or finding other information on the internet

Digital skills TICIDIS Truthfulness of the information or content found on the internet checked by the respondent by following or taking part in discussion on the internet regarding the information

Digital skills TICNIDIS Truthfulness of the information or content found on the internet checked by the respondent by discussing the information offline with other persons or using sources not on the internet

Digital skills TICXND Truthfulness of information or content found on the internet not checked because the respondent already knew that information, content or source was not reliable

Digital skills TICXSKL Truthfulness of information or content found on the internet not checked because the respondent lacked skills or knowledge to do so

Digital skills TICXOTH Truthfulness of information or content found on the internet not checked because of other reasons

Security, privacy, trust MAPS_RPS Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: reading privacy policy statements before providing personal data

Security, privacy, trust MAPS_RRGL Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: restricting or refusing access to own geographical location

Security, privacy, trust MAPS_LAP Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: limiting access to profile or content on social networking sites or shared online storage

Security, privacy, trust MAPS_RAAD Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: refusing allowing the use of personal data for advertising purposes

Security, privacy, trust MAPS_CWSC Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: checking that the website where the respondent provided personal data was secure

Security, privacy, trust MAPS_APD Carrying out the following to manage access to own personal data (such as name, date of birth, identity card number, contact details, credit card number, photos, geographical location) on the internet in the last 3 months: asking websites or search engines administrator or provider to access the data they hold about the respondent to update or delete it

Security, privacy, trust COOK1 Knowledge that cookies can be used to trace movements of people on the internet, to make a profile of each user and service them tailored ads

Security, privacy, trust PCOOK1 Changing settings in own internet browser to prevent or limit cookies on any of the respondent’s devices

Security, privacy, trust CCOOK (optional) Concerns that respondent’s online activities are recorded to provide the respondent with tailored advertising (optional)