The incidence by age group and National Statistics – Socioeconomic Class (NS-SEC) of indigenous
Campylobacter jejuni infection in (
a) males and (
b) females in the Campylobacter Sentinel Surveillance Scheme population (
n=8261), England and Wales, May 2000 to April 2003. –◆–, Managerial and Professional; –■–, Intermediate; –▲–, Small Employers and Own Account; –×–, Lower Supervisory and Technical –

–, Semi-routine; –●–, Routine.