Why there is difference in snmpd service status for root and non-root user

Issue

Why there is difference in snmpd service status for root and non-root user:

bash-3.2$ date; id; /sbin/service snmpd status
Tue Sep 21 13:58:22 HKT 2010
uid=71331(v341253) gid=20113(usgunix) groups=20113(usgunix)
snmpd is stopped
bash-3.2$

bash-3.2# date; id; /sbin/service snmpd status
Tue Sep 21 13:58:22 HKT 2010
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)
snmpd (pid 5134) is running...
bash-3.2#

bash-3.2$ ps -ef | grep snmpd
root      5134     1  0 Sep11 ?        00:00:14 /opt/net-snmp/sbin/snmpd -a -l /var/log/net-snmp.log -p /var/run/net-snmpd.pid udp:161,16161 -C -c /opt/net-snmp/share/snmp/snmpd.conf,/var/net-snmp/snmpd.conf
v341253  29645 24603  0 14:00 pts/1    00:00:00 grep snmpd