SUPPLEMENTAL MATERIAL
Appendix
Table A1
Factor Loading Estimates and Residual Correlations for a CFA Model for the Items on Form 1
Factor Loadings / Residual CorrelationsItem Stem / General / Positive / Negative / 1 / 2 / 3
My teachers accepted and respected me. / 0.55 / 0.63
I treated adults with respect. / 0.49 / 0.37
I felt good about my friendships. / 0.61 / 0.21 / |
0.20
|
I was able to have fun with my friends. / 0.58 / 0.17
I was able to stand up for myself with other kids my age. / 0.65 / 0.03
I could talk with my parents or guardians. / 0.47 / 0.27 / |
0.29
|
I did not want to spend time with my family. / 0.23 / 0.36
Other kids wanted to be my friend. / 0.74 / 0.02 / |
0.26
|
I had trouble getting other kids to like me. / 0.31 / 0.39
I felt left out. / 0.48 / 0.59
I felt scared when I was in a group of other kids my age. / 0.39 / 0.52
I felt scared to ask questions in school. / 0.42 / 0.51
Note. Italicized factor loadings are not significantly different from 0.
Table A2
Factor Loading Estimates and Residual Correlations for a CFA Model for the Items on Form 2
Factor Loadings / Residual CorrelationsItem Stem / General / Peers, Negative / Adults, Positive / 1 / 2 / 3
I felt scared when I was with other kids my age. / 0.36 / 0.45
I missed out on activities. / 0.42 / 0.44
Other kids did not want to be my friend. / 0.37 / 0.43 / |
0.48
|
Other kids wanted to talk to me. / 0.69 / -0.01
I did not want to be around other people. / 0.47 / 0.36 / |
0.24
|
I did not want to spend time with my friends. / 0.42 / 0.33
I could talk with my classmates. / 0.71 / 0.09
My friends and I helped each other out. / 0.71 / -0.04
I shared with other kids (food, games, pens, etc.). / 0.65 / -0.05
I was a good friend. / 0.78 / -0.13
I got along well with my teachers. / 0.53 / 0.72
I felt good about how I got along with my teachers. / 0.56 / 0.66
I was happy at home. / 0.42 / 0.23 / |
0.44
|
My parents or guardians spent enough time with me. / 0.51 / 0.09
Note. Italicized factor loadings are not significantly different from 0.
Table A3
Factor Loading Estimates and Residual Correlations for a CFA Model for the Items on Form 4
Factor Loadings / Residual CorrelationsItem Stem / General / Positive / Negative / Friends / Mean / 1 / 2 / 3
I liked being around other kids my age. / 0.61 / 0.56
I treated other kids my age with respect. / 0.43 / 0.47 / 0.46
I was able to talk about everything with my friends. / 0.48 / 0.39 / 0.42
I spent time with my friends. / 0.54 / 0.30 / |
0.48
|
I had enough time to be with my friends. / 0.55 / -0.06
I was able to count on my friends. / 0.65 / 0.29 / 0.41
I was good at talking with other kids my age. / 0.72 / 0.28
I felt close to my friends. / 0.67 / 0.21 / 0.60
Other kids teased me. / 0.47 / 0.66 / |
0.37
|
Other kids bullied me. / 0.45 / 0.51
Other kids did not like me. / 0.50 / 0.58
Other kids do not want to be my friend. / 0.56 / 0.54
Other kids made me feel different because of how I look. / 0.48 / 0.54
It was hard for me to make friends. / 0.58 / 0.47
I worried about losing a friendship. / 0.26 / 0.43
I felt bad about how I got along with classmates. / 0.48 / 0.42
I teased other kids. / 0.24 / 0.39 / 0.67
I felt nervous about asking questions in class. / 0.35 / 0.34 / |
0.37
|
I felt nervous when I was in a group of other kids my age. / 0.50 / 0.31
I was mean to other people. / 0.28 / 0.25 / 0.76
I played alone and kept to myself. / 0.53 / 0.21
I got into fights (hitting, kicking, pushing) with other kids. / 0.42 / 0.12 / 0.47
Note. Italicized factor loadings are not significantly different from 0.
Short Form
Listed below are the item stems for the recommended 8-item short form for the PROMIS Pediatric Peer Relationships Scale. All items use a 7-day recall period (the preface is “In the past seven days”), and a 5-point response scale with the options never (0), almost never (1), sometimes (2), often (3) and almost always (4).
PROMIS Pediatric Peer Relationships Scale Items:
I was able to count on my friends.
I felt accepted by other kids my age.
I was able to talk about everything with my friends.
Other kids wanted to talk to me.
Other kids wanted to be with me.
I was good at making friends.
Other kids wanted to be my friend.
My friends and I helped each other out.
The summed score to scale score translation for these short forms is in Table A4.
Table A4
Summed Score to Scale Score Translation Table for the Peer Relationships Short Form
Summed Score / Scale Score / SD0 / 17 / 5
1 / 20 / 4
2 / 21 / 4
3 / 23 / 4
4 / 24 / 4
5 / 26 / 4
6 / 27 / 4
7 / 28 / 3
8 / 29 / 3
9 / 30 / 3
10 / 31 / 3
11 / 33 / 3
12 / 34 / 3
13 / 35 / 3
14 / 36 / 3
15 / 37 / 3
16 / 38 / 3
17 / 39 / 3
18 / 40 / 3
19 / 41 / 3
20 / 42 / 3
21 / 43 / 3
22 / 44 / 3
23 / 46 / 3
24 / 47 / 4
25 / 48 / 4
26 / 49 / 4
27 / 51 / 4
28 / 53 / 4
29 / 55 / 4
30 / 57 / 5
31 / 60 / 5
32 / 64 / 6
Note. Scale scores are on a T-score scale; the values of SD are reported as conditional standard errors of measurement.