-9999 = Missing
-8888 = Question not asked
-7777 = Form updated during study, question not on new form
-6666 = Participant failed to complete
-3333 = Not applicable, nested question
-2222 = Question not applicable
-1111 = Participant deceased

Relationship (Attachment Features, 3 mo, participant)
-9999 = Missing
-8888 = Question not asked
-7777 = Form updated during study, question not on new form
-6666 = Participant failed to complete
-3333 = Not applicable, nested question
-2222 = Question not applicable
-1111 = Participant deceased
1 = family
2 = romantic partner current or former
3 = romantic partner family
4 = work or school together
5 = neighbor
6 = religious affiliation
7 = shared hobby or interest
8 = treatment group or provider
9 = closer friend
10 = childhood friend
11 = acquaintance or friend of a friend
12 = other

Age (Attachment Features, 3 mo, participant)
-9999 = Missing
-8888 = Question not asked
-7777 = Form updated during study, question not on new form
-6666 = Participant failed to complete
-3333 = Not applicable, nested question
-2222 = Question not applicable
-1111 = Participant deceased
1 = Female
2 = Male

Is it important to me to see or talk with ____ regularly? (Attachment Features, 3 mo, participant)
-9999 = Missing
-8888 = Question not asked
-7777 = Form updated during study, question not on new form
-6666 = Participant failed to complete
-3333 = Not applicable, nested question
-2222 = Question not applicable
-1111 = Participant deceased
1 = Disagree Strongly
2 = Disagree Somewhat
3 = Disagree Slightly
4 = Neutral
5 = Agree Slightly
6 = Agree Somewhat
7 = Agree Strongly