Table 2 Work experience and sports activity of the study population (firefighters, police officers, and office workers).

From: Structural and functional cardiac parameters across occupations: a cross-sectional study in differing work environments

Variables

Firefighters

(FFs)

(n = 97)

Police officers (POs)

(n = 55)

Office workers (OWs)

(n = 46)

Linear regression

Estimated difference [95%-CI], p-value

(adjusted for age)

Mean ± SD

Mean ± SD

Mean ± SD

OWs vs. FFs

POs vs. FFs

POs vs. OWs

Work experience (years)

16.3 ± 9.1

25.2 ± 8.4

21.1 ± 10.8

0.34 (−2.07–2.76)

p = 0.779

4.51 (3.06–5.96)

p = 0.000

4.48 (1.86–7.10)

p = 0.001

Sport activity (h/week)

6.0 ± 3.6

4.83 ± 4.29

4.03 ± 3.02

−1.79 (−2.96–0.63)

p = 0.003

−0.74 (−2.18–0.70)

p = 0.312

0.74 (−0.68–2.17)

p = 0.303

Corporate sports (h/week)

1.50 ± 1.52

0.58 ± 0.93

0.15 ± 0.63

−1.22 (−1.59–0.86)

p = 0.000

−0.76 (−1.16–0.37)

p = 0.000

0.42 (0.11–0.73)

p = 0.009

Strength training (METS)

763 ± 833

594 ± 925

363.1 ± 652.1

−302.31

(−566.40–38.21)

p = 0.025

−343.48 (−612.84− −74.12)

p = 0.013

230.6 (−82–543) p = 0.146

Swimming (METS)

151.5 ± 300.4

77.9 ± 211.4

106.8 ± 280.8

−31.52

(−123.22–60.19)

p = 0.499

−40.15 (−133.07− 52.77)

p = 0.395

−28.9 (−129–71) p = 0.566

Soccer (METS)

261.3 ± 636.9

231.4 ± 621.5

117.3 ± 328.7

−101.10

(−265.62–63.42)

p = 0.227

−117.17 (−288.75− 54.42)

p = 0.180

114.1 (−78–306) p = 0.242

Jogging (METS)

977 ± 1161

900 ± 1072

703 ± 1280

−172.01

(−630.57–286.54)

p = 0.460

−226.43 (−692.58− 239.72)

p = 0.339

196.7 (−275–668) p = 0.410

Cycling (METS)

1436 ± 1944

802 ± 1754

713 ± 1139

−822.43

(−1361.18–283.68)

p = 0.003

−920.54 (−1473.07—368.01)

p = 0.001

89.0 (−487–665) p = 0.760

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