PROMIS Pediatric Peer Relationships Scale: development of a peer relationships item bank as part of social health measurement.

ABSTRACT:

Objective

This study's objective was to develop a measure of social health using item response theory as part of the Patient Reported Outcomes Measurement Information System (PROMIS).

Methods

After candidate items were generated from review of prior literature, focus groups, expert input, and cognitive interviews, items were administered to youth aged 8-17 as part of the PROMIS pediatric large scale testing. Exploratory and confirmatory factor analyses were used to assess dimensionality and to identify instances of local dependence. Items that met the unidimensionality criteria were subsequently calibrated using Samejima's Graded Response Model. Differential item functioning was examined by gender and age.

Results

The sample included 3,048 youth who completed the ques

SUBMITTER: Dewalt DA 

PROVIDER: S-EPMC3865609 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature