Variable with Interval

Univariate analysis β coefficient (95% CI)

Multivariate analysis β coefficient (95% CI)

TBUT

Schirmer-1 measurement

OSDI score

TBUT

Schirmer-1

measurement

OSDI score

2.4 hours/day increment in mask use

−0.43

(−0.47 to −0.19)***

−0.32

(−1.06 to −0.26)**

0.279

(0.55 to 2.99)**

−0.46

(−0.5 to −0.21)***

−0.39 (−1.1 to −0.56)***

0.32 (0.92 to 3.11)***

15 years increment in age

−0.31

(−0.06 to −0.01)**

−0.71

(−0.29 to −1.89)***

0.5

(0.33 to 0.68)***

−0.32

(−0.07 to −0.01)**

−0.75 (−0.3 to −0.2)***

0.47 (0.28 to 0.69)***

Male Vs Female

−0.13

(−1.19 to 0.27)

−0.05

(−2.55 to 1.46)

0.11

(−2.71 to 9.34)

−0.03 (−0.75 to 0.56)

0.06 (−0.72 to 1.84)

0.04 (−4.0 to 6.33)

Diabetic Vs Non-diabetic

0.2

(0.01 to 1.72)*

0.4

(2.45 to 6.8)***

−0.34

(−18.86 to −5.3)**

0.02 (−0.84 to 0.97)

−0.03 (−2.13 to 1.42)

−0.08 (−9.88 to 4.43)

Long screen time Vs no or less screen time

−0.007

(−1.03 to 0.97)

−0.098

(−4.05 to 1.39)

0.072

(−5.28 to 11.21)

−0.05 (−1.12 to 0.67)

−0.04 (−2.23 to 1.24)

0.05 (−4.9 to 9.22)