Table 2. Overview of HR measurements of construction workers by Job.

Job	No.	Estimated resting HRa	Maximum HRa	Mean HRa	RHRa
Bricklayers	16	59.2 (10.7)	127.3 (15.4)	86.7 (13.7)	26.6 (6.9)
		52 [52,77]	126.5 [106,156]	82.5 [70.6,109.4]	25.1 [17.5,40.7]
Carpenters	5	77.6 (1.3)	133.8 (2.2)	103.1 (2)	25.4 (2.2)
		77 [77,80]	135 [130,135]	103.9 [100.2,105]	26.5 [22.8,27.5]
Concrete workers	9	69.6 (10.7)	145.8 (8)	104.3 (10.4)	36.9 (6.8)
		71 [50,85]	146 [132,158]	106 [87.4,117]	36.6 [26.7,48.8]
Electric workers	20	55.4 (12.9)	142.2 (8.1)	99.4 (6.8)	33.7 (9.6)
		64 [37,65]	142.5 [125,152]	100.4 [82.2,109.6]	34 [14.5,47.1]
Equipment mechanics	26	65.0 (9.9)	133.3 (7.2)	93.7 (8.1)	26.8 (5.6)
		61 [51,85]	132.5 [120,147]	91.8 [82.7,112.2]	26.5 [17.5,38.2]
Insulation workers	3	69 (17.3)	134.3 (1.5)	100.6 (4.2)	27.1 (8)
		59 [59,89]	134 [133,136]	100 [96.8,105.1]	30.3 [18,32.9]
Laborers	15	70.3 (8.3)	136.6 (13.2)	100.5 (11.8)	30.8 (10.2)
		66 [62,90]	134 [113,163]	99.1 [81.7,119.3]	28.3 [16.6,50.1]
Plasters	24	55.5 (9.7)	131.2 (16.7)	87.7 (9.8)	27.7 (6.5)
		62 [42,66]	127.5 [100,177]	89.5 [69.3,101.7]	26 [19.1,44.6]
Project managers	13	54.3 (18.6)	135.6 (9.4)	95.2 (12.2)	30.2 (8.7)
		70 [35,72]	132 [126,155]	94.1 [69.2,118]	30.8 [16.3,41.3]
Tower crane operators	3	49.0 (0)	126.7 (3.5)	78.8 (2.7)	22.8 (2.1)
		49 [49,49]	127 [123,130]	77.3 [77.2,81.9]	21.7 [21.6,25.2]
Waterproofers	14	56.9 (4)	130.1 (11.4)	94.2 (11.5)	35.8 (10.7)
		56 [53,65]	131.5 [112,148]	93 [75.8,113.4]	35.9 [20.4,54.3]
Other	32	58.8 (5.2)	130.9 (18)	90.9 (10.7)	30.1 (9.5)
		57 [55,76]	126.5 [108,190]	90.1 [71.3,114.1]	29.5 [13,52.1]

HR: heart rate; RHR: relative heart rate.

^aFor each variable, average (standard deviation), median [minimum, maximum] is shown.