Menu

Sensitive Topics and Hard-to-Reach Populations

Image for Sensitive Topics and Hard-to-Reach Populations

In 2012, the County of Orange Health Care Agency, Alcohol and Drug Education Prevention Team, contracted with Survey Research Group (SRG) to conduct the Orange County Alcohol and Other Drugs Study, a random-digit dial survey of adults in Orange County funded by the County of Orange Health Care Agency and conducted every ten years. SRG was responsible for survey instrument translation in Spanish and Vietnamese, data collection, data cleaning, and creating weights using iterative proportional fitting techniques (raking).

Work With Us

You change the world. We do the rest. Explore fiscal sponsorship at PHI.

Bring Your Work to PHI

Support Us

Together, we can accelerate our response to public health’s most critical issues.

Donate

Find Employment

Begin your career at the Public Health Institute.

See Jobs

Close

Breakthrough Infection Study of Over 600,000 Veterans Shows Declining COVID-19 Vaccine Protection

A new pre-print study of over 600,000 veterans by researchers from PHI and the Veterans Affairs Medical Center finds that overall COVID-19 vaccine protection declined significantly between February and August 2021. Declines were greatest for the Johnson & Johnson vaccine (from 88% in March to 3% in August), followed by PfizerBioNTech (91% to 50%) and Moderna (92% to 64%).

More

Continue to PHI.org