| kpno | person number |
| kypdobm | date of birth: month |
| kypdoby4 | date of birth: year |
| kypsex | gender of youth |
| kytvhrs | hours spent watching tv on a school day? |
| kytvstp | parents stop you watching a programme ? |
| kypfpc | frequency of home computer use |
| kypfpcgm | frequency of playing computer games |
| kyppals | times had friends round to your house ? |
| kyppalo | how often out with friends |
| kyputel | do you tell parents where going ? |
| kyplate | past month: times out after 9.00 pm ? |
| kypfbeau | frequency of dating girl/boyfriend |
| kypfclub | frequency of attending youthclubs etc |
| kypfdisc | frequency of attending discos |
| kypfspor | frequency of playing sports |
| kypargm | how often quarrel with your mother ? |
| kypargf | how often quarrel with your father ? |
| kyptlkm | talk to mum: things that matter ? |
| kyptlkf | talk to dad: things that matter ? |
| kypnpal | how many close friends do you have ? |
| kypmkfrn | ease of making new friends |
| kypfght | how often past month:fight with someone? |
| kypeatn | past week times evening meal with family |
| kypsave | use of personal money |
| kyppkml | pounds: money last week for yourself ? |
| kyppkmp | pennies: money last week for yourself ? |
| kypsmev | have you ever tried a cigarette ? |
| kypsmof | how often do you smoke ? |
| kypsmlw | how many cigarettes in last 7 days ? |
| kypopsm | how dangerous is smoking |
| kypdgfr | do your friends ever use illegal drugs? |
| kypsad | how many days have you felt unhappy ? |
| kypwor | past week nights lost sleep worrying ? |
| kypbull | how much worry about bullying at school? |
| kyplone | how often feel lonely ? |
| kypbored | frequency of feeling bored |
| kypesta | i feel i have a number good qualities |
| kypesti | i don’t have much to be proud of |
| kypestb | i certainly feel useless at times |
| kypestj | i am as able as most people |
| kypestc | i am a likeable person |
| kypestk | i can usually solve my own problems |
| kypeste | i am inclined to feel i am a failure |
| kypestf | at times i feel i am no good at all |
| kypesth | feel left out when with friends |
| kyptcha | i like most of my teachers |
| kyptchb | teachers are always getting at me |
| kyphsw | feel about your school work ? |
| kyphap | feel about your appearance ? |
| kyphfm | feel about your family ? |
| kyphfr | feel about your friends ? |
| kyphlf | feel about your life as a whole ? |
| kypopff | Husband should earn, wife stay at home |
| kypopfb | Family suffers if women work full-time |
| kypopfj | cohabiting is always wrong |
| kypoppl | police helpful to young people |
| kypvte6 | level of interest in politics |
| kypvte3 | party which would vote for ? |
| kypcrwra | worry re being victim of crime |
| kypcrwrb | safeness of walking alone at night |
| kypexpl | suspended/expelled from school |
| kypvand | vandalised property in past year |
| kyptrun | played truant from school |
| kypopsc | how much means to do well at school ? |
| kyplvsc | leave school when you are 16 ? |
| kyplvhm | age you think when you leave home ? |
| kypwhrs | last week, hours spent working for pay ? |
| kyppay | last week: money earned working ? |
| kypfsoc | office code: job (step)father does ? |
| kypdlfa | change to improve life: 1st mention |
| kypdlfb | change to improve life: 2nd mention |
| kypwght | young person weight |
| khid | household identification number |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| kfnspno | person number of father (nat/step) |
| kfnspid | x-wave pid of father (nat/step) |
| kmnspno | person number of mother (nat/step) |
| kmnspid | cross-wave pid of mother (nat/step) |
| kypfsoc_cc | office code: job (step)father does ? – condensed classification |