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. 2016 Oct;36(5):386–394. doi: 10.14639/0392-100X-770

Table IV.

2w and 2x in relation to increased overjet ( h), reduced overjet ( k), cross bite ( n), displacement ( o), openbite ( p).

Variable Total sample Only primary school Only secondary school
2W
n. (%)
OR P 2X
n. (%)
OR P 2W
n. (%)
OR P 2X
n. (%)
OR P 2W
n. (%)
OR P 2X
n. (%)
OR P
H 2 197
(6.5)
1.589
(1.299-
1.944)
<0.001* 168
(5.6)
1.907
(1.527-
2.382)
<0.001* 127
(8.3)
1.382
(1.064-
1.793)
0.009* 117
(7.7)
1.870
(1.408-
2.484)
<
0.001*
70
(4.7)
1.738
(1.260-
2.398)
<
0.001*
51
(3.4)
1.694
(1.172-
2.448)
0.004*
3
4
Total 468
(15.5)
362
(12)
283
(18.5)
227
(14.8)
185
(12.4)
135
(9.1)
k 3 48
(1.6)
1.186
(.854-
1.648)
0.175 1.384
(.976-
1.962)
0.045* 30 (2) 1.212
(0.792-
1.856)
0.217 1.197
(0.753-
1.904)
0.257 18
(1.2)
1.135
(.673-
1.915)
0.359 1.688
(.991-
2.875)
0.042*
4 42
(1.4)
24
(1.6)
18
(1.2)
Total 468
(15.5)
362
(12)
283
(18.5)
227
(14.8)
185
(12.4)
135
(9.1)
n 2 85
(2.8)
1.008
(.780-
1.302)
0.498 103
(3.4)
1.991
(1.551-
2.557)
<0.001* 52
(3.4)
.920
(.660-
1.281)
0.344 73
(4.8)
2.281
(1.667-
3.121)
<
0.001*
33
(2.2)
1.099
(0.734-
1.645)
0.357 30 (2) 1.488
(.967-
2.289)
0.048*
3
4
Total 468
(15.5)
362
(12)
283
(18.5)
227
(14.8)
185
(12.4)
135
(9.1)
0 2 249
(8.3)
1.117
(.917-
1.360)
0.148 214
(7.1)
1.460
(1.168-
1.825)
<0.001* 157
(10.3)
1.169
(.902-
1.515)
0.133 141
(9.2)
1.600
(1.198-
2.137)
0.001* 92
(6.2)
1.015
(.746-
1.382)
0.492 73
(4.9)
1.229
(.862-
1.753)
0.147
3
4
Total 468
(15.5)
362
(12)
1.460
(1.168-
1.825)
<0.001* 283
(18.5)
227
(14.8)
185
(12.4)
135
(9.1)
p 2 70
(2.3)
3.299
(2.421-
4.497)
<0.001* 49
(1.6)
2.614
(1.855-
3.685)
<0.001* 38
(2.5)
3.120
(2.029-
4.798)
<0.001* 24
(1.6)
1.990
(1.226-
3.231)
0.006* 32
(2.2)
3.684
(2.347-
5.782)
<
0.001*
25
(1.7)
3.76
6(2.304-
6.156)
<
0.001*
3
4
Total 468
(15.5)
362
(12)
283(
18.5)
227
(14.8)
185
(12.4)
135
(9.1)