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Table 3 Results of time and of heart rate (HR) measurements in the field

From: Physical workload and cardiopulmonary parameters in relation to individual capacity of bulk waste workers – a cross-sectional field-study

n = 14

 

mean

SD

median

min

max

Tshift

[hours]

7.67

0.99

7.25

6.68

10.03

TC

[hours]

3.17

0.75

3.05

1.97

4.92

Tdriving

[hours]

3.95

0.75

3.77

3.12

5.45

Tint,driving

[minutes]

14.8

4.1

9.1

1

81

Tint,C

[minutes]

16.4

4.0

15.7

1

90

Tbreaks

[minutes]

33.5

13.5

31

7

50

HRshift

[bpm]

102

10.2

102

79.9

118

HRshift%HRVT1

[%]

85.7

10.6

85.3

62.9

102

RHRshift

[%]

36.9

8.0

37.0

23.6

51.9

HRC

[bpm]

116

11.9

118

92.6

134

RHRC

[%]

51.3

10.2

50.4

32.5

71.4

  1. Tshift Individual shift in hours, TC Individual total time of the main task of collecting manually bulky waste from the premises of the customer summed in hours, Tdriving individual total time driving from customer to customer summed over Tshift in hours, Tint,driving Intervals of driving intervals between collection points, Tint,C Intervals of handling bulky waste, Tbreaks Formal breaks from work, HRshift Individual mean HR during the individual shift in hours (Tshift), RHRshift Individual mean relative heart rate (RHR) during Tshift, HRC Individual mean HR during the main task of collecting manually bulky waste from the premises of the customer summed in hours (TC), RHRC Individual RHR during TC, SD Standard deviation