Table 2 Subjective workload of nucleic acid collection tasks over two weeks (n = 842)

Days for tasks per week

5.40 ± 4.51

0.50, 14.00(1.50, 8.00)

No. of samples taken per day

543.80 ± 703.69

120.00, 1000.00(150.00, 600.00)

Days off per week

0.27 ± 0.29

0.00, 1.00(0.00, 1.00)

Hours of sleep per day

6.31 ± 1.20

0.50, 10.00(0.50, 10.00)

Number of midnight tasks per week

1.62 ± 2.63

0.00, 14.00(0.00, 14.00)