Table 1.

Demographics, comorbidities, hospitalisation, presence of symptoms and previous SARS-CoV-2 PCR results for study participants (n = 49)

Age in years – median (range)	67 (36–81)
Sex
Female – n (% of total)	31 (63.3)
Male – n (% of total)	18 (36.7)
Comorbidities
None – n (% of total)	26 (53.1)
Any – n (% of total)	23 (46.9)
Chronic respiratory disease – n (% of total)	6 (12.2)
Cardiac disease (excluding uncomplicated hypertension) – n (% of total)	5 (10.2)
Other – n (% of total)	19 (38.8)
Symptoms
Present – n (% of total)	27 (55.1)
Absent – n (% of total)	22 (44.9)
Hospitalised
Yes – n (% of total)	1 (2.0)
No – n (% of total)	48 (98.0)
Respiratory PCR result on ship (3 April 2020)
Positive – n (% of total)	36 (73.5)
Negative – n (% of total)	12 (24.5)
Not available – n (% of total)	1 (2.0)