Table 1 Distribution of gonococcal infection by age, sex, ethnicity and reason for screening
Characteristic% of males infected% of females infectedTotal %infectedp Value*
Age group (years)<0.001
    <161.8 (1/56)5.4 (33/609)5.1 (34/665)0.2
    16–196.0 (49/817)5.0 (221/4438)5.1 (270/5255)0.2
    20–245.8 (40/695)2.0 (70/3499)2.6 (110/4194)<0.001
Ethnicity<0.001
    Asian subcontinent13.3 (2/15)1.2 (1/81)3.1 (3/96)0.06
    Black African5.8 (11/190)2.0 (17/841)2.7 (28/1031)<0.01
    Black British/other black7.0 (33/474)5.2 (89/1708)5.6 (122/2182)0.1
    Black Caribbean8.5 (32/378)5.2 (86/1650)5.8 (118/2028)<0.05
    Chinese/other Asian0 (0/14)0 (0/135)0 (0/149)
    Mixed7.6 (7/92)5.3 (43/811)5.5 (50/903)0.4
    Other ethnic groups0 (0/20)1.9 (3/155)1.7 (3/175)0.7
    Unknown/not specified0 (0/36)5.2 (11/210)4.5 (11/246)0.2
    White1.4 (5/347)2.5 (74/2953)2.4 (79/3300)0.2
Reason for testing<0.001
    Contact12.3 (37/300)18.1 (66/364)15.5 (103/664)<0.05
    Diagnostic15.4 (19/123)3.1 (81/2629)3.6 (100/2752)<0.001
    Screening3 (34/1145)3.2 (177/5553)3.2 (211/6698)0.7
  • *Mantel-Haenszel x2 test.