Managing Outliers in Adolescent Food Frequency Questionnaire Data.

ABSTRACT:

Objective

The goal of this study was to explore the impact of 5 decision rules for removing outliers from adolescent food frequency questionnaire (FFQ) data.

Design

This secondary analysis used baseline and 3-month data from a weight loss intervention clinical trial.

Participants

African American adolescents (n = 181) were recruited from outpatient clinics and community health fairs.

Variables measured

Data collected included self-reported FFQ and mediators of weight (food addiction, depressive symptoms, and relative reinforcing value of food), caregiver-reported executive functioning, and objectively measured weight status (percentage overweight).

Analysis

Descriptive statistics examined patterns in study variables at baseline and follow-up. Correlation

SUBMITTER: Lee MS 

PROVIDER: S-EPMC7855646 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature