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. Author manuscript; available in PMC: 2015 Sep 4.
Published in final edited form as: Psychol Aging. 2009 Jun;24(2):274–286. doi: 10.1037/a0016067

Table 3.

Significant Age Main Effects on Cardiovascular Reactivity

Measure Middle-aged Mean (SE) Older Mean (SE) F eta-squared
Task Period Reactivity
SBP (mm Hg) 6.1 (.42) 7.7 (.43) 6.60* .023
CO (l/min) .045 (.053) .202 (.052) 4.51* .023
TPR 71.2 (17.9) 15.0 (18.4) 4.82* .026
HR (bpm) 3.6 (.18) 2.6 (.18) 13.80** .046
Recovery Period
SBP (mm Hg) 3.7 (.40) 5.7 (.40) 12.47** .042
CO (l/min) −.24 (.055) −.04 (.056) 6.33* .032
HR (bpm) 2.1 (.18) 1.2 (.17) 13.78** .046
RSA −.345 (.05) −.189 (.05) 4.85* .024

SBP = systolic blood pressure; CO = cardiac output; TPR = total peripheral resistance; HR = heart rate; RSA = respiratory sinus arrhythmia

*

p<.05,

**

p<.001, degrees of freedom range from 1 and 284 to 1 and 181

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