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Published online before print May 17, 2007, 10.1097/PSY.0b013e3180592b20
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Psychosomatic Medicine 69:348-355 (2007)
© 2007 American Psychosomatic Society

ORIGINAL ARTICLES

Impact of Socioeconomic Status on Physiological Health in Adolescents: an Experimental Manipulation of Psychosocial Factors

Edith Chen, PhD

From the Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada.

Address correspondence and reprint requests to Edith Chen, Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC, Canada V6T 1Z4. E-mail: echen{at}psych.ubc.ca

Objective: To examine the effects of a brief psychosocial manipulation on physiological responses to laboratory stress in lower and higher socioeconomic status (SES) adolescents.

Methods: A total of 115 adolescents participated in two acute laboratory stress tasks: one with psychosocial intervention and one with no intervention. In the intervention condition, half of the adolescents were given control over the stressor parameters; the other half received social informational resources (hints provided by another person) for dealing with the stressor. Physiological reactivity was monitored.

Results: Lower SES adolescents exhibited less physiological reactivity when provided with intervention compared with no intervention. Within the lower SES group, the resource condition reduced physiological reactivity more than the control condition did. Higher SES adolescents did not respond physiologically to intervention.

Conclusions: This study provides a preliminary illustration of an experimental laboratory approach to studying SES-health relationships and suggests that providing informational support during a stressor may have beneficial implications for the physiological health of lower SES adolescents.

Key Words: socioeconomic status • cardiovascular • stress • control • resources

Abbreviations: SES = socioeconomic status; HR = heart rate; SBP = systolic blood pressure; DBP = diastolic blood pressure






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