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. 2014 Nov 27;14:140. doi: 10.1186/1472-6831-14-140

Table 4.

Showing the relationship between socio-demographic features and duration of tooth cleaning

Duration of tooth cleaning
Socio-demographic variable Less than 2 minutes (%) More than 2 minutes (%) More than 5 minutes (%) Not sure (%) Total (%)
Age category
<20 years 105 (22.0) 142 (29.7) 117 (24.5) 114 (23.8) 478 (6.3)
20–29 years 413 (23.8) 597 (34.4) 434 (25.0) 289 (16.7) 1733 (22.7)
30–39 years 508 (25.0) 765 (37.2) 450 (22.2) 317 (15.6) 2013 (26.6)
40–49 years 440 (23.9) 649 (35.3) 506 (27.5) 243 (13.2) 1838 (24.1)
50 – 59 years 290 (29.3) 304 (30.7) 273 (27.5) 124 (12.50 991 (13.0)
60 years and above 126 922.5) 175 (31.3) 198 (35.4) 60 (10.7) 559 (7.3)
Χ2 = 104.88 df = 15 p < 0.001
Gender
Female 1005 (23.7) 1505 (35.5) 1111(26.2) 624 (14.7) 4245 (55.6)
Male 877 (25.9) 1118(33.0) 867 (25.6) 523 (15.5) 3385 (44.4)
Χ2 = 8.196 df = 4 p = 0.085
Educational Status
Missing 192 (20.3) 223 (23.6) 194 (20.5) 337 (35.6) 946 (12.4)
None 194 (27.8) 155 (22.2) 230 (33.0) 119 (17.0) 698 (9.1)
Primary school 237 (27.5) 223 (27.0) 264 (30.6) 128 (14.8) 862 (11.3)
Secondary school 497 (24.3) 688 (33.5) 595 (29.0) 269 (13.1) 2049 (26.9)
Tertiary institution 762 (24.8) 1324 (43.0) 695 (22.6) 294 (9.6) 3075 940.3)
Χ2 = 548.21 df = 12 p < 0.001
Occupation
None 327 (24.50 360 (27.1) 297 (22.3) 348 (26.1) 1332 (17.5)
Student 118 (22.8) 190 (36.7) 113(21.8) 97 (18.7) 518 (6.8)
Unskilled worker 496 925.8) 517 (26.9) 584 (30.3) 328 (17.0) 1925 (25.2)
Skilled worker 529 (24.2) 803 (36.8) 562 (25.7) 297 (13.3) 2185 (28.6)
Very skilled worker 412 (24.7) 753 (45.1) 422 (25.3) 83 (5.0) 1670 (21.9)
Χ2 = 675.114 df = 12 p < 0.001
Geo-political Zone
North-Central 473 (25.4) 595 (32.0) 453 (24.3) 341 (18.3) 1862 (24.4)
North-West 297 925.0) 193 (16.3) 226 (19.0) 472 (39.7) 1188 (15.6)
South-East 477 (28.5) 652 (38.9) 437 (26.1) 110 (6.6) 1676 (22.0)
South-South 151 (36.7) 149 (36.3) 75 (18.2) 36 (8.8) 411 (5.4)
South-West 484 (19.4) 1034 (41.5) 787 (31.6) 188 (7.5) 2493 (32.7)
Χ2 = 968.99 df = 12 p < 0.001
TOTAL 1882 (24.7) 2623 (34.4) 1978 (25.9) 1147 (15.0) 7630 (100.0)