Table 1 Respiratory symptoms inter-Item (Polychoric) correlations in participants with RSV-positive disease status

Vaccine trial—ARI PRO eDiary Day 1 (n = 40)

 a. Cough

–

 b. Sore throat

0.37

(0.04, 0.69)

–

 d. Nasal congestion

− 0.03

(− 0.40, 0.33)

− 0.16

(− 0.53, 0.20)

–

 j. Wheezing

0.53

(0.22, 0.84)

0.27

(− 0.11, 0.65)

− 0.10

(− 0.51, 0.31)

–

 k. Expectoration

0.58

(0.32, 0.84)

0.19

(− 0.17, 0.54)

0.02

(− 0.35, 0.40)

0.55

(0.26, 0.85)

–

 l. Shortness of breath

0.69

(0.44, 0.94)

0.29

(− 0.09, 0.68)

0.27

(− 0.12, 0.67)

0.53

(0.19, 0.87)

0.84

(0.69, 1.00)

HARTI—baseline (n = 100)

 a. Cough

–

 b. Sore throat

0.53

(0.31, 0.74)

–

 d. Nasal congestion

0.33

(0.13, 0.54)

0.35

(0.10, 0.60)

–

 j. Wheezing

0.62

(0.47, 0.78)

0.39

(0.15, 0.63)

0.47

(0.29, 0.66)

–

 k. Expectoration

0.36

(0.16, 0.56)

0.23

(− 0.03, 0.49)

0.24

(0.03, 0.46)

0.37

(0.17, 0.57)

–

 l. Shortness of breath

0.65

(0.51, 0.80)

0.51

(0.29, 0.72)

0.40

(0.20, 0.60)

0.76

(0.65, 0.87)

0.21

(− 0.01, 0.43)