title: Early socioeconomic status is associated with adult nighttime blood pressure dipping.
abstract: OBJECTIVE
  To examine the prognostic significance of early socioeconomic status (SES) on 24-hour blood pressure (BP) during early adulthood. Low SES has been related to poor health outcomes, in particular, cardiovascular morbidity and mortality. Recent cross-sectional research has also linked low levels of SES with several cardiovascular risk factors including poor nighttime BP dipping.
  
  
  METHODS
  A total of 174 undergraduate university students whose childhood SES was assessed by highest level of education completed by their parents underwent 24-hour ambulatory BP monitoring.
  
  
  RESULTS
  Initial correlation analyses revealed positive associations between childhood SES and BP dipping, indicating that lower levels of childhood SES were associated with less systolic BP (SBP) (r = .29, p < .01) and diastolic BP (DBP) dipping (r = .38, p < .01). A stepwise multiple regression analyses indicated that childhood SES explained 6.9% of the variance in SBP dipping and 11.5% of the variance in DBP dipping above and beyond other lifestyle-related factors including daytime BP, body mass index, alcohol use, smoking, and current SES.
  
  
  CONCLUSIONS
  These findings suggest that irrespective of adult achievement, childhood SES may have lasting health implications.
authors.affiliation: Department of Psychology, University of Calgary, Calgary, AB, Canada T2N 1N4. t.s.campbell@ucalgary.ca
authors.forename: Tavis S
authors.initials: TS
authors.lastname: Campbell
authors.forename: Brenda L
authors.initials: BL
authors.lastname: Key
authors.forename: Alana D
authors.initials: AD
authors.lastname: Ireland
authors.forename: Simon L
authors.initials: SL
authors.lastname: Bacon
authors.forename: Blaine
authors.initials: B
authors.lastname: Ditto
mesh_terms: D000293:Adolescent; D000328:Adult; D000416:Alberta; D001143:Arousal / Q000502:physiology*; D001794:Blood Pressure / Q000502:physiology*; D018660:Blood Pressure Monitoring, Ambulatory; D015992:Body Mass Index; D002318:Cardiovascular Diseases / Q000503:physiopathology / Q000523:psychology; D002648:Child; D002668:Child Rearing; D002940:Circadian Rhythm / Q000502:physiology*; D005260:Female; D015438:Health Behavior; D006305:Health Status Indicators; D006801:Humans; D008297:Male; D011603:Psychophysiology; D012307:Risk Factors; D012959:Socioeconomic Factors; D013315:Stress, Psychological / Q000150:complications / Q000503:physiopathology