- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT00005472
Job Strain, Ambulatory Blood Pressure and Hypertension
연구 개요
상세 설명
BACKGROUND:
Cardiovascular disease accounts for 43 percent of all deaths in the United States. Hypertension affects as many as 50 million Americans, however the causes of essential hypertension are not well known. A new CVD risk factor ("job strain") has emerged as a potential major cause of essential hypertension. By 1995, over 20 studies had found significant positive relationships between "job strain" and CVD, coronary heart disease, all-cause mortality or hypertension. "Job strain" is defined as high psychological workload demands combined with low"decision latitude". An expanded concept of "job strain" which included low workplace social support ("iso-strain") was developed and examined in the study.
Important questions remained to be answered about "job strain", CVD and hypertension. In most studies, "job strain" was only measured at one point in time, while, in fact, cumulative exposure to "job strain" was believed to be the risk factor. In addition, most studies relied on self-report measures of "job strain". Also, no studies specifically examined risk of stroke and "job strain".
DESIGN NARRATIVE:
Data from the Cornell University cohort study of Psychosocial Factors and Cardiovascular Disease and the Columbia University-Northern Manhattan Stroke Study were analyzed. The study had five specific aims, including to determine whether: blood pressure levels were associated with cumulative exposure to "job strain"; differences in blood pressure increases were associated with an objective measure of "job strain"; increased risk of stroke was associated with an objective measure of "job strain"; changes in psychological variables over time were associated with job characteristics; changes in CVD risk factors (other than hypertension) were associated with job characteristics.
Paul Landsbergis also constructed measures of cumulative exposure to "job strain" and determined their association with blood pressure, and analyzed the association between job characteristics and change in psychological variables and cardiovascular disease (CVD) risk factors.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
연구 유형
참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
공부 계획
연구는 어떻게 설계됩니까?
공동 작업자 및 조사자
수사관
- Paul Landsbergis, Weill Medical College of Cornell University
간행물 및 유용한 링크
일반 간행물
- Landsbergis PA, Schnall PL, Pickering TG, Schwartz JE. Validity and reliability of a work history questionnaire derived from the Job Content Questionnaire. J Occup Environ Med. 2002 Nov;44(11):1037-47. doi: 10.1097/00043764-200211000-00010.
- Landsbergis PA, Schnall PL, Pickering TG, Warren K, Schwartz JE. Lower socioeconomic status among men in relation to the association between job strain and blood pressure. Scand J Work Environ Health. 2003 Jun;29(3):206-15. doi: 10.5271/sjweh.723.
- Friedman R, Schwartz JE, Schnall PL, Landsbergis PA, Pieper C, Gerin W, Pickering TG. Psychological variables in hypertension: relationship to casual or ambulatory blood pressure in men. Psychosom Med. 2001 Jan-Feb;63(1):19-31. doi: 10.1097/00006842-200101000-00003.
- Landsbergis PA, Schnall PL, Pickering TG, Warren K, Schwartz JE. Life-course exposure to job strain and ambulatory blood pressure in men. Am J Epidemiol. 2003 Jun 1;157(11):998-1006. doi: 10.1093/aje/kwg095.
연구 기록 날짜
연구 주요 날짜
연구 시작
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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