Table 1 Predictors of SARS-Cov-2 positive serology (IgG DiaSorin) in phase1: subject characteristics.

Overall

3776

–

336 (8.9%)

–

–

Sex

Female

2821 (74.7%)

–

247 (8.8%)

–

Male

955 (25.3%)

–

89 (9.3%)

1.08 (0.84–1.40)

0.55

Age

(Year)

3776

41.0 ± 11.7 (20.1–81.3)

–

0.992 (0.982–1.002)

0.102

Weight

(Kilogram)

3719^a

70.1 ± 14.2 (33–150)

–

1.007 (0.999–1.015)

0.078

Height

(Centimeter)

3719^a

169.0 ± 8.9 (125–200)

–

1.010 (0.998–1.023)

0.11

BMI

(kg/m²)

3719^a

24.5 ± 4.3 (15.6–55.1)

–

1.015 (0.990–1.042)

0.24

Smoking

No

3219^a (86.6%)

–

291 (9.0%)

–

Yes

500^a (13.4%)

–

37 (7.4%)

0.76 (0.53–1.09)

0.14

Tobacco consumption

(Cigarette/day)

471^b

9.96 ± 6.34 (0.05–40)

–

0.941 (0.884–1.002)

0.059