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Table 3 Results of ANOVA and ANCOVA analyses among teenagers

From: Influence of mercury exposure on blood pressure, resting heart rate and heart rate variability in French Polynesians: a cross-sectional study

 

T1: 1.2-7.3

T2: 7.4-10.0

T3: 11.0-26.0

 

BP and resting HR

Adjusted means ± SEM &

p trend

SBP (mm Hg)

109 ± 2.9

112 ± 2.8

113 ± 2.9

0.38

DBP (mm Hg)

71 ± 2.4

72 ± 2.3

74 ± 2.3

0.49

PP (mm Hg)

37 ± 2.2

40 ± 2.1

38 ± 2.2

0.66

Resting HR (bpm)

77 ± 2.6

72 ± 2.5

74 ± 2.6

0.47

 

T1: 1.2-7.4

T2: 7.9-10.0

T3: 11.0-26.0

 

HRV variables

Adjusted means ± SEM &

 

LF (ms2)*

788 ± 1.2

863 ± 1.2

614 ± 1.2

0.21

LF norm (nu)*

69 ± 1.9

69 ± 1.9

74 ± 1.8 a

0.08

HF (ms2)*

344 ± 1.2

380 ± 1.2

204 ± 1.2 a

0.07

HF norm (nu)*

31 ± 1.9

31 ± 1.9

26 ± 1.8

0.08

LF/HF*

2.3 ± 1.1

2.3 ± 1.1

3.0 ± 1.1 a

0.08

SDNN (ms)*

89 ± 1.1

92 ± 1.1

82 ± 1.1

0.44

SDANN (ms)*

54 ± 1.1

57 ± 1.1

52 ± 1.1

0.77

rMSSD (ms)*

37 ± 1.1

43 ± 1.1

30 ± 1.1a

0.11

  1. SEM: standard error of the mean. * Log-transformed variables. &Models were adjusted for age, sex, waist circumference, fasting glucose, triglycerides, selenium and total n-3 PUFAs. Letters indicate significant differences at p < 0.05. a Difference between T2 and T3.
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Environmental Health

ISSN: 1476-069X