Table 1.

Participant and survey characteristics.

Characteristic	Result
Median age (interquartile range), years	34 (29.6–39.9)
Male gender (%)	994 (100)
Origin (%)
• South Asian	931 (93.7)
• Chinese	40 (4.0)
• Others	23 (2.3)
Median (interquartile range) days post-COVID-19 diagnosis at each timepoint:
1. D28	28 (27–30)
2. D80	79 (79–80)
3. D105	107 (106–109)
4. D140	141 (140–143)
5. D180	182 (177–190)
6. D280	282 (281–287)
Number of participants (% out of a total of 994) tested at each timepoint:
1. D28	327 (32.9)
2. D80	202 (20.3)
3. D105	294 (29.6)
4. D140	172 (17.3)
5. D180	758 (76.3)
6. D280	311 (31.3)
Number of subjects (%) tested:
• Once	377 (37.9)
• Twice	340 (34.2)
• Thrice	165 (16.6)
• Four times	84 (8.5)
• Five times	28 (2.8)

D; days, COVID-19; coronavirus disease 2019.