Stimson et al. (1988)

User-friendliness

—Nonjudgmental staff attitude;

—Convenient location;

—Convenient hours of operation;

—Willingness to exchange large numbers of syringes at one time

Lurie et al. (1993a)

Legal status

—Legal;

—Illegal—tolerated;

—Illegal—underground

Administrative body

—Activist run;

—Community-based organization run;

—Community-based organization with government support;

—Government run

Funding source

—Private donations;

—Foundation grants;

—Community-based organization;

—City, county, and/or state government

Sites

—Fixed sites;

—Stationary van;

—Streetfront;

—Street;

—Health facility;

—Mobile sites;

—Walk route;

—Deliveries;

—Roving van

Staff

—Paid;

—Volunteers;

—Both paid and volunteers

On-site services

—Educational material;

—HIV testing and counseling;

—Primary medical care;

—Tuberculosis screening;

—Sexually transmitted diseases screening;

—Drug treatment;

—Referrals to above services;

—Referrals to social services

On-site items provided

—Needles/syringes;

—Bleach;

—Alcohol wipes;

—Cotton;

—Cookers;

—Water;

—Condoms;

—Lubricant