Table 4.

Factor loadings, standard errors and p-values of the indicators of the latent variables Socioeconomic Status and “Childhood Asthma Symptoms”, São Luís, Brazil, 2010–2013.

Latent variable	Factor loadings	Standard error	p-value
Socioeconomic Status (SES)
Family income	0.727	0.031	<0.001
Maternal schooling (years)	0.543	0.035	<0.001
Occupation of the family head	0.548	0.030	<0.001
Economic class	0.793	0.032	<0.001
“Childhood Asthma Symptoms”
Number of wheezing episodes	0.545	0.062	<0.001
Medical emergency visit due to intense wheezing	0.792	0.067	<0.001
Medical diagnosis of asthma	0.733	0.085	<0.001
Medical diagnosis of rhinitis	0.624	0.074	<0.001