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01-07-2016 | Uitgave 7/2016

Quality of Life Research 7/2016

Mode effects between computer self-administration and telephone interviewer-administration of the PROMIS® pediatric measures, self- and proxy report

Tijdschrift:
Quality of Life Research > Uitgave 7/2016
Auteurs:
Brooke E. Magnus, Yang Liu, Jason He, Hally Quinn, David Thissen, Heather E. Gross, Darren A. DeWalt, Bryce B. Reeve
Belangrijke opmerkingen

Electronic supplementary material

The online version of this article (doi:10.​1007/​s11136-015-1221-2) contains supplementary material, which is available to authorized users.

Abstract

Objective

To test equivalence of scores obtained with the PROMIS® pediatric Depressive Symptoms, Fatigue, and Mobility measures across two modes of administration: computer self-administration and telephone interviewer-administration. If mode effects are found, to estimate the magnitude and direction of the mode effects.

Methods

Respondents from an internet survey panel completed the child self-report and parent proxy-report versions of the PROMIS® pediatric Depressive Symptoms, Fatigue, and Mobility measures using both computer self-administration and telephone interviewer-administration in a crossed counterbalanced design. Pearson correlations and multivariate analysis of variance were used to examine the effects of mode of administration as well as order and form effects.

Results

Correlations between scores obtained with the two modes of administration were high. Scores were generally comparable across modes of administration, but there were some small significant effects involving mode of administration; significant differences in scores between the two modes ranged from 1.24 to 4.36 points.

Conclusions

Scores for these pediatric PROMIS measures are generally comparable across modes of administration. Studies planning to use multiple modes (e.g., self-administration and interviewer-administration) should exercise good study design principles to minimize possible confounding effects from mixed modes.

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