The final two waves of direct mailings were targeted to eligible health plan members who had engaged in one of two health plan programs that promote physical activity.
The latest wave of anthrax mailings has been unnerving in an entirely different way.
But the atmosphere was rougher behind the scenes, where the candidates dispatched a wave of last-minute mailings, e-mail messages and phone calls, using every tool of modern campaigning at their disposal.
The poll also came out as Mr. Bloomberg is financing a final tidal wave of television advertisements, mailings and automated telephone calls, many of them harshly critical of Mr. Green, and directed at specific blocs, including Jewish and Hispanic voters.
Due to the cost associated with the use of priority mail and the inconvenience it presented for some, a small nested study was initiated during the final wave of invitation package mailings.
I maintain a list of addresses, using bulk-mailing software that allows recipients to opt out of mailings.
Three rounds of mailings were done between May and July 2003.
A second set of mailings was sent to non-responders in February 2005.
Participants were recruited through mailings to pediatricians, family physicians, and two waves of notices to families with elementary school aged youth in Maryland and the Washington, DC, metropolitan area.
