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Table 2 Participant characteristics depending on the total number of SLEs among 2,730 females

From: Association between stressful life events and resting heart rate

Variables

Total number of SLEs

p

0 (n = 2,220)

1 (n = 260)

2 (n = 107)

≥3 (n = 143)

Age, years

55.7≥8.6

58.6≥10.2

59.1≥9.6

54.8≥8.9

<0.001a

Body mass index, kg/m2

24.8≥3.3

24.8≥3.6

25.2≥3.2

25.0≥2.8

0.540a

Systolic BP, mmHg

119.6≥18.2

122.9≥19.0

122.4≥18.5

118.8≥17.5

0.020a

Diastolic BP, mmHg

72.2≥10.2

71.7≥10.2

71.3≥9.3

71.3≥10.0

0.539a

Heart rate, bpm

68.0≥9.6

66.3≥10.4

64.9≥9.6

64.2≥8.9

<0.001a

Heart rate on ECG, bpm

64.3≥9.1

62.8≥9.3

61.7≥8.7

62.1≥11.3

<0.001a

PR interval on ECG, ms

164.4≥21.0

166.8≥21.0

169.3≥25.5

166.3≥21.1

0.038a

QRS duration on ECG, ms

87.5≥14.7

85.6≥19.9

84.7≥23.6

82.6≥18.5

0.005a

BUN to Cr ratio

17.2≥4.9

18.2≥5.1

17.3≥4.5

17.4≥4.6

0.017a

Hematocrit, %

39.3≥3.0

40.0≥2.9

39.8≥3.2

39.1≥3.2

<0.001a

Total body water, kg

29.7≥4.5

30.3≥5.6

31.0≥6.5

31.4≥6.02

<0.001a

Bradycardia

406 (18.3)

59 (22.7)

29 (27.1)

44 (30.8)

<0.001b

Thyroid disease history

98 (4.4)

14 (5.4)

7 (6.5)

4 (2.8)

0.473c

Liver disease history

10 (0.5)

0 (0.0)

0 (0.0)

1 (0.7)

0.589c

Hypertension

753 (33.9)

100 (38.5)

41 (38.3)

52 (36.4)

0.390b

Hypertension treatment

524 (23.6)

72 (27.7)

29 (27.1)

42 (29.4)

0.201b

Oral contraceptive use

6 (0.3)

1 (0.4)

0 (0.0)

1 (0.7)

0.744c

Hormone therapy

117 (5.3)

6 (2.3)

2 (1.9)

7 (4.9)

0.087c

Regular exercise status

724 (32.6)

95 (36.5)

34 (31.8)

53 (37.1)

0.438b

Cigarette smoking

     

 Never

2,134 (96.1)

252 (96.9)

104 (97.2)

139 (97.2)

0.976c

 Former

35 (1.6)

3 (1.2)

1 (0.9)

2 (1.4)

 

 Current

51 (2.3)

5 (1.9)

2 (1.9)

2 (1.4)

 

Alcohol drinking

     

 Never

1,560 (70.3)

185 (71.2)

79 (73.8)

88 (61.5)

0.006c

 Former

70 (3.2)

18 (6.9)

3 (2.8)

9 (6.3)

 

 Current

590 (26.6)

57 (21.9)

25 (23.4)

46 (32.2)

 
  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.