Key result
Type A Behavior Pattern showed a significant interaction with age and sex in predicting heart rate reactivity to a mental arithmetic stressor among teenagers, challenging assumptions of homogeneity.
Why the study?
Does the Type A Behavior Pattern predict heart rate reactivity to mental stress in teenagers?
Cross-Sectional (n=122)
Does the Type A Behavior Pattern predict heart rate reactivity to mental stress in teenagers?
Answers are grounded in this paper and cite their sources.
The relationship between Type A behavior pattern and heart rate reactivity in teenagers varies significantly depending on age and sex, challenging assumptions of homogeneity in this population.
The Type A Behavior Pattern was assessed for 122 teenagers from two age-groups. Subjects had their heart rate measured during rest and presentation of a mental arithmetic stressor under timed and competitive conditions. Data were analyzed to determine whether sex, age, task performance, and behavior pattern predicted the degree of heart rate reactivity shown by these children. Although there were no significant main effects for behavior pattern, sex, or age, there was a significant interaction among age, sex, and behavior pattern. It is suggested that the two age groups of teenagers sampled here differ in the relationships they show between behavior pattern and heart rate reactivity. This result challenges some previous assumptions with regard to the homogeneity of teenagers on this issue.
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Sharpley et al. (1993) reported a cross-sectional. Type A Behavior Pattern was evaluated on Degree of heart rate reactivity during rest and presentation of a mental arithmetic stressor. Type A Behavior Pattern showed a significant interaction with age and sex in predicting heart rate reactivity to a mental arithmetic stressor among teenagers, challenging assumptions of homogeneity.
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