Skip to main content

Table 4 Estimates from the Heckman–type selection model

From: Gastroesophageal reflux symptoms among Italian university students: epidemiology and dietary correlates using automatically recorded transactions

 

Coef.

Std. Err.

P-value

95% CI

Outcome model: Presence of GERD

Gender

0.255

0.051

<0.001

(-0.354;-0.156)

(cons)

1.302

0.448

0.004

(-2.180;-0.424)

Selection model: Survey Participation

Gender

0.222

0.018

<0.001

(-0.257;-0.187)

Age

0.012

0.002

<0.001

(-0.015;-0.009)

(cons)

0.878

0.047

<0.001

(-0.971;-0.786)

ρ

0.582

0.316

 

(-0.263;0.922)