Characteristics            Frequency (%)
Sex
                                Male 93 (39.0)
                                Female 142(61.0)
Age group (years)
                                11-20 55 (23.4)
                                21-30 123 (52.3)
                                31-40 46 (19.6)
                                41-50 7 (3.0)
                                51-60 4 (1.7)
Educational background
                                Illiterate 32 (13.6)
                                Primary 25 (10.6)
                                Secondary 131 (55.8)
                                Tertiary 47 (20.0)
Years in business
                                 1-5 166 (70.6)
                                6-10 24 (10.2)
                                11-15 24 (10.2)
                                >15 21 (9.0)
Medical examination
                                Yes  131 (55.7)
                                 No  104 (44.3)
                                Total  235 (100)
Regression and T-test statistical analysis: 95% Confidence interval of difference at F cal >F tab (1.776>0.969) and t cal > t tab (6.5>5.0).
Table 1: Socio-demography of food handlers studied in Lagos.