Table 2

Description of the study sample in terms of age and other quantity variables, and assessments of association with chlamydia diagnosis

Quantity variableCount [n, (% of n)]Number infected (% of row count)Significance*
Age (in years) (n=113)p<0.01
 16–1926 (23%)21 (81%)
 20–2438 (34%)15 (39%)
 25+49 (43%)23 (47%)
Days since last exposure to chlamydia (n=110)p<0.01
 0–747 (43%)31 (66%)
 8–2132 (29%)16 (50%)
 22+31 (28%)9 (29%)
Total number of sexual partners (n=108)p=0.66
 1–529 (27%)14 (48%)
 6–2052 (48%)27 (52%)
 21+27 (25%)15 (56%)
Age (in years) at first sexual intercourse (n=114)p=0.14
 <1522 (19%)13 (59%)
 15–1881 (71%)39 (48%)
 19+11 (10%)7 (64%)
  • * Although the data are summarised into categories for this table, the Mann–Whitney analysis was undertaken on the raw (uncategorised) variables.