Table 5 Correlations of demographic and clinical factors with Quality of Life by symptoms of GERD.

Age at baseline (years), a continuous variable

− 0.049^a

− 0.142^a

0.3

Sex (female vs. male)

− 0.116

0.128

0.4

Schooling years,

a continuous variable

0.178^a

0.329^a

0.02

Esophagitis severity (C/D vs. A/B)

0.039

− 0.073

0.6

PPIs treatment (Yes vs. no)

− 0.031

0.027

0.8

Physical activity for 30 min once a week (Yes vs. no)

0.090

0.099

0.5

Overall GERD symptoms severity scale (Above median vs. median and below)

0.166

NS

NS