0 = Control group
1 = Attriting group 1
2 = Attriting group 2

Attriter=1, Control=0
0 = CON
1 = ATT

Language1=1, Language2=2 etc.
1 = Language 1
2 = Language 2

2) Sex (0 = male, 1 = female)
0 = male
1 = female

4) Nationality (0=L2, 0.5=L2 & L1, 1=L1)
0 = L2
0.5 = L1 & L2
1 = L1

5) Standard (1) or dialect (2)
1 = Standard
2 = Dialect

6) Highest school (1=primary, 2=secondary, 3=college, 4=university)
1 = primary
2 = secondary
3 = college
4 = university

8) Reason for emigrating (1 = job; 2=job of L1 partner; 3=partner, 4=other)
1 = job
2 = job of partner
3 = partner
4 = other

9) Other periods spent in other countries (1=none, 0.5=less than 1 year, 1=1 year or more)
0 = 1 year or more
0.5 = less than 1 year
1 = none

10) Home language as child (1=L1, 0.5=L1 and other, 0=other)]
0 = other
0.5 = L1 and other
1 = L1

11) L2 lessons before emigration (0=no, 0.2=less than 1 month, 0.4 = less than 3 months, 0.6 = less than 6 months, 0.8 = less than 1 year, 1 = more than 1 year)
0 = no
0.2 = less than 1 month
0.4 = less than 3 months
0.6 = less than 6 months
0.8 = less than 1 year
1 = more than 1 year

12) Further education in L2 (1=yes, 0=no)
0 = no
1 = yes

18) Visits to L1 (0=never, 0.25=seldom, 0.5=sometimes, 0.75=often, 1=very often)
0 = never
0.25 = seldom
0.5 = sometimes
0.75 = often
1 = very often

19) Reason for visits (1=important family event; 2 visit without particular reason, 3=other, 4=1 & 2, 5 = 1 & 3, 6 = 2&3, 7=1&2&3)
1 = family event
2 = no particular reason
3 = other

21) language of service (0=only L2, 0.25=more L2, 0.5=equal, 0.75=more L1, 1=only L1)
0 = only L2
0.25 = more L2
0.5 = equal
0.75 = more L1
1 = only L1

22) L2 before emigration (0=none/very bad, 0.25=bad, 0.5=some, 0.75=good, 1=very good)
0 = none/very bad
0.25 = bad
0.5 = some
0.75 = good
1 = very good

26) Use of L1 (0=never/rarely, 0.25=seldom, 0.5=sometimes, 0.75=often, 1=very often)
0 = never/rarely
0.25 = seldom
0.5 = sometimes
0.75 = often
1 = very often

27) Importance of maintaining L1 (0=unimportant, 0.25=relatively unimportant, 0.5=not very important, 0.75=important, 1=important)
0 = not important at all
0.25 = not important
0.5 = neutral
0.75 = important
1 = very important

33) family situation (1=married, 2=divorced, 3=widowed, 4=with partner, 5=single)
1 = married
2 = divorced
3 = widowed
4 = with partner
5 = single

34a) Native language of current (last) partner (1=L1, 0=L2 or other)
0 = L2/other
1 = L1

47) Admonish children to keep up L1? (0=never, 0.5=sometimes, 1=often)
0 = never
0.5 = sometimes
1 = often

50) If your children don't speak L1, do you regret that? (0=not at all, 0.25=no, 0.5=don't care, 0.75=a bit, 1=very, 999=n.a.)
0 = not at all
0.25 = no
0.5 = don't care
0.75 = a bit
1 = very

57) How did you meet them (1=L1 club, 2=common friends, 3=work or school, 4=other, 5=combination including 1, 6=combination excluding 1)
1 = L1 club
2 = common friends
3 = work or school
4 = other
5 = combination including clubs
6 = combination excluding clubs

Combined club membership; 0=no to both 60 and 61, 0.5=yes to either 60 or 61, 1=yes to both 60 and 61
0 = no to both 60 and 61
1 = yes to both 60 and 61
5 = yes to either 60 or 61

67) Has knowledge of L1 changed (0=worse, 0.5=no change, 1=better)
0 = worse
0.5 = no change
1 = better

68) Has use of L1 changed (0=less, 0.5=no change, 1=more)
0 = less
0.5 = no change
1 = more

69) Embarrassed when speaking L1? (0=yes, 1=no)
0 = yes
1 = no

71) Bilingual? (0=L2 better, 0.5=equal, 1=L1 better)
0 = L2 better
0.5 = equal
1 = L1 better

74) Do you want to go back (0=no, 0.5=don't know, 1=yes)
0 = no
0.5 = maybe/don't know
1 = yes

76) Was decision right (0=yes, 0.5=don't know, 1=no)
0 = yes
0.5 = maybe/don't know
1 = no

L1 are a very sociable, warm-hearted and creative people (0=totally disagree, 0.25=disagree, 0.5=neutral, 0.75=agree, 1=totally agree)
0 = totally disagree
0.25 = disagree
0.5 = neutral
0.75 = agree
1 = totally agree