Predictors of Quality of Life in Portuguese Obese Patients: A Structural Equation Modeling Application

Table 1

Observed and latent variables in the assessment of quality of life of obese people.

Latent variables	Observed variables
Psychosocial variables
Dispositional optimism (DO)	𝑄𝑖 Life orientation 𝑖=1,…,6
Negative affect (NA)	𝑄𝑖 Scale of feelings 𝑖=1,…,10
Positive affect (PA)	𝑄𝑖 Scale of feelings 𝑖=1,…,10
Stigma (Stg)	𝑄𝑖 disease condition 𝑖=1,…,5
Social support (SS)	Affective (SSA)
	Tangible (SST)
	Positive social interaction (SSPSI)
	Emotional/informational (SSEI)
QoL components
General well-being (GWB)	General health (GH)
	Vital health (VH)
Physical health (PH)	Physical function (PF)
	Physical pain (PP)
	Corporal pain (CP)
Mental health (MH)	Emotion pain (EP)
	Social function (SF)
	Mental function (MF)