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Table 1 Participant characteristics depending on the total number of SLEs among 1,703 males

From: Association between stressful life events and resting heart rate

Variables

Total number of SLEs

p

0 (n = 1,418)

1 (n = 142)

2 (n = 64)

≥3 (n = 79)

Age, years

57.1≥8.8

60.6≥9.8

59.8≥9.1

56.9≥8.9

<0.001a

Body mass index, kg/m2

24.3≥2.9

24.4≥3.0

23.9≥2.8

24.1≥3.2

0.701a

Systolic BP, mmHg

122.0≥17.1

123.3≥16.2

120.0≥16.6

122.8≥16.4

0.616a

Diastolic BP, mmHg

77.7≥10.0

77.0≥9.6

76.5≥10.8

78.0≥10.7

0.687a

Heart rate, bpm

66.3≥10.5

64.4≥9.5

61.8≥7.9

64.2≥10.2

<0.001a

Heart rate on ECG, bpm

62.5≥10.3

60.2≥8.4

59.1≥8.3

61.0≥9.5

0.003a

PR interval on ECG, ms

172.9≥23.2

174.9≥21.6

174.8≥28.5

172.0≥23.8

0.700a

QRS duration on ECG, ms

94.5≥12.5

91.3≥19.0

92.5≥23.7

90.0≥17.4

0.005a

BUN to Cr ratio

15.4≥4.1

15.8≥4.4

15.5≥3.9

15.7≥4.7

0.558a

Hematocrit, %

44.4≥3.4

44.8≥4.3

44.2≥4.0

44.6≥3.8

0.532a

Total body water, kg

39.0≥6.4

40.6≥7.8

39.9≥6.9

39.4≥6.6

0.030a

Bradycardia

391 (27.6)

51 (35.9)

23 (35.9)

28 (35.4)

0.051b

Thyroid disease history

17 (1.2)

0 (0.0)

0 (0.0)

1 (1.3)

0.474c

Liver disease history

5 (0.4)

0 (0.0)

0 (0.0)

1 (1.3)

0.456c

Hypertension

498 (35.1)

62 (43.7)

23 (35.9)

30 (38.0)

0.238b

Hypertension treatment

325 (22.9)

43 (30.3)

16 (25.0)

16 (20.3)

0.217b

Regular exercise status

517 (36.5)

49 (34.5)

20 (31.3)

31 (39.2)

0.750b

Cigarette smoking

     

 Never

452 (31.9)

36 (25.4)

22 (34.4)

29 (36.7)

0.006b

 Former

508 (35.8)

73 (51.4)

28 (43.8)

31 (39.2)

 

 Current

458 (32.3)

33 (23.2)

14 (21.9)

19 (24.1)

 

Alcohol drinking

     

 Never

359 (25.3)

41 (28.9)

22 (34.4)

23 (29.1)

0.345b

 Former

163 (11.5)

22 (15.5)

8 (12.5)

8 (10.1)

 

 Current

896 (63.2)

79 (55.6)

34 (53.1)

48 (60.8)

 
  1. Data are expressed as the mean≥SD or the number (%).
  2. ap-value was calculated by an ANOVA between groups.
  3. bp-value was calculated by a Chi-square test between groups.
  4. cp-value was calculated by a Fisher’s exact test between groups.