The relationship of hostility, negative affect and ethnicity to cardiovascular responses: an ambulatory study in Singapore

Enkelmann, Hwee Chong; Bishop, George D.; Tong, Eddie M. W.; Diong, Siew Maan; Why, Yong Peng; Khader, Majeed; Ang, Jansen

doi:10.1016/j.ijpsycho.2004.12.003

Cited by 28 publications

(22 citation statements)

References 42 publications

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Section: Discussionsupporting

confidence: 88%

“…The lack of main effects for the CMHS has been reported in other research (e.g., Brondolo et al, 2003;Enkelmann et al, 2005) and corroborates interpersonal models of hostility that take into account type and intensity of social interaction in predicting cardiovascular responses to stress.…”

Section: Discussionsupporting

confidence: 88%

“…Hostile individuals were found to have fewer agreeable and intimate Hostility was only marginally associated with AHR in this study (p = .064) and was not associated with average ABP during social interactions. The lack of main effects for the CMHS has been reported in other research (e.g., Brondolo et al, 2003;Enkelmann et al, 2005) and corroborates interpersonal models of hostility that take into account type and intensity of social interaction in predicting cardiovascular responses to stress.In accordance with the second hypothesis of the current study regarding the moderating influence of hostility on ABP responses to the strength of social interactions, hostile individuals were found to show significant increases in ADBP during situations rated high in instrumental support, whereas low-hostile individuals showed nonsignificant decreases in ADBP (see Figure 1). Therefore, although hostility was marginally associated with ratings of higher instrumental support, these instances were characterized by increases in ABP for hostile individuals.…”

supporting

confidence: 88%

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Hostility moderates the effects of social support and intimacy on blood pressure in daily social interactions.

2008

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Objective-This study sought to determine the role of hostility in moderating the effects of positive social interactions on ambulatory blood pressure (ABP).Design-Participants (341 adults) completed the Cook-Medley Hostility Scale and underwent ABP monitoring, assessed every 45 min during waking hours across 6 days. An electronic diary measuring mood and social interactions was completed at each ABP assessment.Main Outcome Measures-The dependent variables from the ABP monitor included systolic blood pressure, diastolic blood pressure, and heart rate.Results-Different patterns of ambulatory diastolic blood pressure (ADBP) responding to social interactions perceived as intimate or supportive among high-versus low-hostile individuals were observed. Higher intimacy ratings were linked to reductions in ADBP among low-hostile but not high-hostile individuals. Conversely, high-hostile, but not low-hostile, individuals showed increases in ADBP to situations rated high in social support. Although findings for ambulatory systolic blood pressure were nonsignificant, the pattern of results was similar to ADBP.Conclusion-Hostile individuals may find offers of support stressful and may fail to benefit from intimacy during daily life. The pathogenic effects of hostility may be mediated in part by responses to social interactions, both positive and negative.Keywords ambulatory blood pressure; hostility; social support; intimacy; ecological momentary assessment Trait hostility and social isolation, or lack of social support, have been identified as correlates of coronary heart disease risk (Rozanski, Blumenthal, & Kaplan, 1999). Interpersonal models designed to explain the relationship between hostility and coronary heart disease risk posit that these two characteristics may be interrelated, such that hostile individuals may promote social conflict and may be mistrustful of others' supportive efforts (e.g., Smith, Glazer, Ruiz, & Gallo, 2004). Indeed, evidence has suggested that trait hostility and low social support tend to cooccur and may predict disease outcome synergistically (e.g., Scherwitz, Perkins, Chesney, & Hughes, 1991). Copyright 2008 by the American Psychological AssociationCorrespondence concerning this article should be addressed to Elizabeth J. Vella, Department of Psychology, University of Southern Maine, 514 Science Building, 96 Falmouth Street, Portland, ME 04104. evella@usm.maine.edu. Elizabeth J. Vella is now at the University of Southern Maine, Portland.Some of these data were presented at the 28th annual meeting for the Society of Behavioral Medicine held in March 2007 in Washington, DC. Saul Shiffman is cofounder and chief science officer of Invivodata, Inc., which provides electronic diary methods like those reported here for use in clinical trials. Hostile individuals have been found to exhibit exaggerated cardiovascular reactivity to interpersonal provocation relative to their nonhostile counterparts (e.g., Davis, Matthews, & McGrath, 2000). To the extent that these responses are frequent an...

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 88%

supporting

confidence: 88%

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Hostility moderates the effects of social support and intimacy on blood pressure in daily social interactions.

2008

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“…Cardiovascular risk among Asian Indians, similar to that of Americans, cannot be completely explained by health behaviors including activity level, cigarette smoking, and alcohol intake (Hodge et al, 1996). Similar to research trends among US samples, preliminary research efforts among Asian Indians have linked the experience of anger with elevated cardiovascular responsivity to stress (Bishop & Robinson, 2000;, especially, among participants who are high in trait anger (Bishop & Robinson, 2000) and especially during social stress (Enkelmann et al, 2005).…”

mentioning

confidence: 92%

Angry Thoughts Predict Stress & Health among College Students in Mumbai, India

et al. 2006

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The current study examined whether cognitions that accompany the experience of anger are similar among people from the US and India. Asian Indian participants were administered the Anger Cognitions Inventory, a self-report measure assessing cognitions associated with resentful and reflective anger that was previously validated in a sample from the US. Results indicated that there were five subscales in the Asian Indian sample; although there were some differences in the specific items that comprise the five subscales, the overall categories described by the subscales are similar in both cultures. Cognitions defining resentful anger were positively associated with poor physical health, hostility, and stress, whereas self-statements indicative of reflective anger were not related to any of these variables. Cognitive self-statements may exacerbate the experience of anger and subjective distress regardless of culture.

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“…This information would provide greater clarity regarding the beneficial impact of yoga programs on participants' coping resources and their associations with BP control in the natural environment, as opposed to solely clinic or laboratory settings. 60,61 If yoga programs can be shown to have long-lasting sustained benefit on BP, likelihood of dissemination increases throughout various settings in addition to school systems. The relatively low costs and ease of implementation make yoga a viable option for community organizations (e.g., YMCA or health/recreation centers), or via individual delivery (e.g., gaming systems/mobile applications) at home or in other settings.…”

Section: Salivary A-amylasementioning

confidence: 99%

Effects of Hatha Yoga on Blood Pressure, Salivary α-Amylase, and Cortisol Function Among Normotensive and Prehypertensive Youth

Sieverdes

Mueller²,

Gregoski³

et al. 2014

The Journal of Alternative and Complementary Medicine

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Objective: Evidence is accumulating, predominantly among clinical trials in adults, that yoga improves blood pressure (BP) control, with downregulation of the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic nervous system (SNS) projected as underlying mechanisms. This pilot study assessed whether Hatha yoga has the potential to reduce BP among youth and whether dampening of the SNS and/or HPA activity is a likely pathway of change. Design: Thirty-one seventh graders were randomly assigned to a Hatha yoga program (HYP) or attention control (AC) music or art class. Baseline and 3-month evaluations included resting BP; overnight urine samples; and saliva collected at bedtime, upon awakening, and at 30 and 60 minutes after awakening for a-amylase and cortisol assays. Results: Twenty-eight (14 in the HYP group and 14 in the AC group) students were assessed both before and after the intervention. BP changes from pre-to post-intervention were -3.0/ -2.0 mmHg for the HYP group and -0.07/ -0.79 mmHg for the AC group (p = 0.30 and 0.57, respectively). Changes in systolic BP (SBP)/diastolic BP (DBP) for the prehypertensive (75th-94th percentiles for SBP) subgroup analyses were -10.75/ -8.25 mmHg for the HYP group (n = 4) versus 1.8/1.0 mmHg for the AC group (n = 5) ( p for SBP = 0.02; p for DBP = 0.09). Although no statistically significant group differences were observed with changes in SNS or HPA awakening curves (area under curve for a-amylase and cortisol, respectively), a small to moderate effect size was seen favoring a reduction of a-amylase activation for the HYP group (Cohen d = 0.34; prehypertensive d = 0.20). Conclusions: A school-based Hatha yoga program demonstrated potential to decrease resting BP, particularly among prehypertensive youth. Reduced SNS drive may be an underlying neurohormonal pathway beneficially affected by the program. A large-scale efficacy/effectiveness randomized clinical trial is warranted.

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The relationship of hostility, negative affect and ethnicity to cardiovascular responses: an ambulatory study in Singapore

Cited by 28 publications

References 42 publications

Hostility moderates the effects of social support and intimacy on blood pressure in daily social interactions.

Hostility moderates the effects of social support and intimacy on blood pressure in daily social interactions.

Angry Thoughts Predict Stress & Health among College Students in Mumbai, India

Effects of Hatha Yoga on Blood Pressure, Salivary α-Amylase, and Cortisol Function Among Normotensive and Prehypertensive Youth

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