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Table 1 Oral hygiene knowledge of SIYP in Lagos and Osun State, Nigeria (N = 845)

From: Association between water, sanitation, general hygiene and oral hygiene practices of street-involved young people in Southwest Nigeria

VariablesSexAgeResidenceTotal
N = 845
Male
(n = 452)
Female
(n = 393)
10–14 years
(n = 229)
15–19 years
(n = 372)
20–24 years
(n = 244)
Osun
(n = 417)
Lagos
(n = 428)
Sugar intake in-between meals
 Rarely/never eat between meals71 (15.7%)60 (15.3%)28 (12.2%)66 (17.7%)37 (15.2%)68 (16.3%)63 (14.7%)131 (15.5%)
 Other responses381 (84.3%)333 (84.7%)201 (87.8%)306 (82.3%)207 (84.8%)349 (83.7%)365 (85.3%)714 (84.5%)
X2; p value0.031; 0.863.32; 0.190.41; 0.52 
Frequency of teeth brushing
  > 2ce a day216 (47.8%)227 (57.8%)110 (48.0%)195 (52.4%)138 (56.6%)201 (48.2%)242 (56.5%)443 (52.4%)
  < 2ce a day236 (52.2%)166 (42.2%)119 (52.0%)177 (47.6%)106 (43.4%)216 (51.8%)186 (43.5%)402 (47.6%)
X2; p value8.38; 0.0043.44; 0.185.89; 0.02 
Frequency of teeth flossing
  > 2ce a day92 (20.4%)96 (24.4%)49 (21.4%)78 (21.0%)61 (25.0%)68 (16.3%)120 (28.0%)188 (22.2%)
  < 2ce a day360 (79.7%)297 (75.6%)180 (78.6%)294 (79.0%)183 (75.0%)349 (83.7%)308 (72.0%)657 (77.8%)
X2; p value2.02; 0.161.52;0.4716.80; < 0.001 
Use of fluoride containing toothpaste
 Always246 (62.2%)246 (62.6%)129 (56.3%)236 (63.4%)162 (66.4%)233 (55.9%)294 (68.7)527 (62.4%)
 Others171 (37.8%)147 (37.4%)100 (43.7%)136 (36.6%)82 (33.6%)184 (44.1%)134 (31.3)318 (37.6%)
X2; p value0.02; 0.905.42; 0.0714.78; < 0.001 
Frequency of dental check-ups
 6–12 monthly123 (27.2%)144 (36.6%)87 (38.0%)114 (30.7%)66 (27.1%)84 (20.1)183 (42.8%)267 (31.6%)
 Others329 (72.8%)249 (63.4%)142 (62.0%)258 (69.4%)178 (73.0%)333 (79.9)245 (57.2%)578 (68.4%)
X2; p value8.65; 0.0036.82; 0.0349.97; < 0.001