I guess this is what you want:
$dbc = new COM("ADODB.Connection");
$dbc->Open("Driver={Microsoft Access Driver (*.mdb)}; DBQ=".$pathdomdbfile .";");
$rs = $dbc->Execute("select * from usuarios");
while(!$rs->EOF)
{
$nombre = $rs->Fields["nombre"];
print $nombre . ": <A HREF=\"" . $nombre . "\">Homepage</a>";
$rs->MoveNext();
}