Table 2 Correlations among demographic factors (i.e., age and BMI) and the variables of interest related to smell and taste (Identification Smell Score, Intensity Smell Score, Irritation Smell Score, Identification Taste Score, Intensity Taste Score) in Control and COVID-19 groups.

Controls

Age

1

− 0.015

0.053

− 0.087

− 0.074

0.121

0.094

BMI

1

0.105

− 0.260**

− 0.364**

0.215*

− 0.225*

Identification Smell Score

1

0.249**

0.192

0.280*

0.296**

Intensity Smell Score

1

0.241*

0.203

0.519***

Irritation Smell Score

1

0.188

− 0.152

Identification Taste Score

1

0.149

Intensity Taste Score

1

Covid-19

Age

1

− 0.048

− 0.120

− 0.128

0.046

− 0.195

0.026

BMI

1

0.079

0.161

0.052

− 0.090

− 0.002

Identification Smell Score

1

0.423***

0.089

0.223*

0.263**

Intensity Smell Score

1

0.051

− 0.055

0.457***

Irritation Smell Score

1

0.049

0.285**

Identification Taste Score

1

0.401**

Intensity Taste Score

1