CFA	Confirmatory Factor Analysis
CFI	Comparative Fit Index
CI	Cognitive Interview
df	Degrees of Freedom
EAs	Expert Assessments
FAS	Family Affluence Scale
FGs	Focus Groups
HLCA	Health Literacy in Childhood and Adolescence
HLS-EU-Q47-GER	German version of the European Health Literacy Survey Questionnaire, 47-item version
ITC	Corrected Item-Total Correlation
LR	Literature Review
MOHLAA-Q	Measurement of Health Literacy Among Adolescents Questionnaire
MSPSS	Multidimensional Scale of Perceived Social Support
NVS	Newest Vital Sign
HLAT-8	Health Literacy Assessment
RMSEA	Root Mean Square Error of Approximation
TLI	Tucker-Lewis Index
WHO	World Health Organization
WLSM	Robust Weighted Least Square Mean-Adjusted
WRMR	Weighted Root Mean Square Residual