Gender
1 = Boy
2 = Girl

Month of birth
1 = January
2 = February
3 = March
4 = April
5 = May
6 = June
7 = July
8 = August
9 = September
10 = October
11 = November
12 = December

Year of birth
1 = 1997
2 = 1998
3 = 1999 or 2000

Where child born (Recoded)
1 = UK or Ireland
2 = Outside UK or Ireland

Child's perceived identity (Recoded)
1 = One identity - Northern Irish
2 = One identity - Ulster
3 = One identity - Irish
4 = One identity - British
5 = One identity - Polish, Lithuanian, Portuguese, Bangladeshi, Indian, Traveller, Chinese
6 = Two identities - UK or Ireland and one of above
9 = Two or more identities - any combination

Long-term illness or disability
1 = Yes
2 = No
3 = Not sure

Does family have a car
1 = Yes, one
2 = Yes, 2 or more
3 = No
4 = Dont live with family

How often child goes on holiday with family
1 = Not at all
2 = Once
3 = Twice
4 = More than twice

Number of computers
1 = None
2 = One
3 = Two
4 = 3 or more

Access to web in bedroom
1 = Yes
2 = No
3 = Sometimes

Have own mobile phone
1 = Yes
2 = No

How many good friends child has (Recoded)
1 = None
2 = One
3 = Two
4 = Three
5 = Four
6 = Five or more

How many web friends? (Recoded)
1 = None
2 = 1 to 9
3 = 10 to 19
4 = 20 to 29
5 = 30 to 39
6 = 40 or more

Where child goes after school
1 = Home and looked after by a parent
2 = Home and looked after by another relative
3 = Home and looked after by childminder
4 = To the after-school club
5 = To the home of another relative
6 = To childminder?s home
7 = To nursery or cr?che
8 = Somewhere else

How child feels about after school care
1 = Completely unhappy
2 = A bit unhappy
3 = Neither happy nor unhappy
4 = A bit happy
5 = Completely happy

How child felt about creche or nursery
1 = Completely unhappy
2 = A bit unhappy
3 = Neither happy nor unhappy
4 = A bit happy
5 = Completely happy
6 = Can't remember

How happy child was in primary school
1 = Mostly happy
2 = Mostly unhappy
3 = Can't decide

Transfer test grade
1 = A
2 = B1
3 = B2
4 = C1
5 = C2
6 = D
7 = Don't want to say

How child feels about new school
1 = Happy
2 = Not happy
3 = Not sure

Whether child thinks pupils in school get bullied
1 = A lot
2 = A little
3 = Not at all
4 = Don't know

Someone at school deal with bullying
1 = Yes
2 = No
3 = Don't know

What use web for
1 = Schoolwork only
2 = For fun only
3 = Both schoolwork and fun
4 = Not sure

Time spent on social network sites
1 = A lot
2 = A little
3 = Hardly any
4 = Not sure

How much TV does child watch
1 = A lot
2 = A little
3 = Hardly any
4 = None
5 = Not sure

Do other kids make child feel bad about appearance
1 = Yes, I get teased about it
2 = Yes, I get bullied about it
3 = No
4 = Not sure

Kidscreen1:General health
1 = Poor (original5)
2 = Fair (original4)
3 = Good
4 = Very good (original2)
5 = Excellent (original1)

Kidscreen2:In last week has child felt fit and well
1 = Not at all
2 = Slightly
3 = Moderately
4 = Very
5 = Extremely

Kidscreen5:In last week has child felt full of energy
1 = Never
2 = Seldom
3 = Quite often
4 = Very often
5 = Always

Kidscreen9:In last week has child felt sad
1 = Always (original5)
2 = Very often (original4)
3 = Quite often
4 = seldom (original2)
5 = never (original1)