Attention A T users. To access the menus on this page please perform the following steps. 1. Please switch auto forms mode to off. 2. Hit enter to expand a main menu option (Health, Benefits, etc). 3. To enter and activate the submenu links, hit the down arrow. You will now be able to tab or arrow up or down through the submenu options to access/activate the submenu links.

VA Cooperative Studies Program (CSP)

Menu
Menu

Quick Links

Veterans Crisis Line Badge
My healthevet badge
EBenefits Badge
 

Army Chemical Corps Vietnam-Era Veterans Health Study

 

Investigator Access

What's available?

Pending

Available Documentation

Pending

Dates Data are Available

Pending

Access Criteria

Pending

Study Characteristics

Objectives

  • To assess the association between herbicide exposure and high blood pressure (hypertension), as a basis for understanding if hypertension is related to military service in Vietnam
  • To understand the relationship between herbicide exposure and chronic obstructive pulmonary disease (COPD)

Era of Service

Vietnam

Population

A subset of Veterans who served in the U.S. Army Chemical Corps during the Vietnam Era (1965-1973), consisting of personnel who were responsible for the maintenance and distribution or application of chemicals for military operations.

Study Design

Cross-sectional survey

Time Period

2012 - 2013

Setting

National

N

Analysis completed for 3,086 Veterans (1,477 Vietnam, 1,609 Non-Vietnam)

Response Rate

Survey respondents: 79.3%
Medical records collected (of those who consented): 93.4%
Completed in-home visit: 63.8%

Recruitment Method

An initial survey packet, reminder postcard, and two additional packets were mailed to eligible Veterans. 

Compensation

  • $2 included with each mail questionnaire and $5 cash included with a refusal conversion mail questionnaire
  • $50 check for a completed and returned mail questionnaire or medical record consent form
  • $100 for a completed in-home blood pressure measurement by a medical technician

Data Collected

  • Demographics
  • Self-reported health outcomes and sprayer status
  • Hypertension risk factors
  • Alcohol and tobacco use
  • Body mass index
  • Blood pressure measurements and pulmonary function

Data Collection Methods 

  • Survey by mail or Computer Assisted Telephone Interviews (CATI)
  • Medical records
  • In-home examinations to measure blood pressure and lung function

Funding Source

VA Post Deployment Health Services - Epidemiology Program

Contact

Yasmin.Cypel@va.gov

Selected Publication

Cypel YS, Kress AM, Eber SM, Schneiderman AI, Davey VJ. Herbicide exposure, Vietnam service, and hypertension risk in Army Chemical Corps Veterans. J Occup Environ Med 2016; 58:1127-1136. 

Cypel Y, Kang H. Mortality patterns of Army Chemical Corps Veterans who were occupationally exposed to herbicides in Vietnam. Ann Epidemiol 2010; 20:339-346.

Kang HK, Dalager NA, Needham LL, Patterson DG Jr., Lees PS, Yates K, Matanoski GM. Health status of Army Chemical Corps Vietnam Veterans who sprayed defoliant in Vietnam. Am J Ind Med 2006; 49:875-884.

Kang HK, Dalager NA, Needham LL, Patterson DG Jr., Matanoski GM, Kanchanaraksa S, Lees PS. U.S. Army Chemical Corps Vietnam Veterans health study: Preliminary results. Chemosphere 2001; 43:943-949.

More Information

Study website