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Table 5 Ordinal logistic regression analysis for changes of oral health knowledge, oral hygiene and dietary habits

From: Oral health knowledge, behaviors and parental practices among rural–urban migrant children in Guangzhou: a follow-up study

 

Change of oral health knowledgea

Change of oral hygieneb

Change of dietary habitsc

Variables

Regression coefficient

p-value

OR (95% CI)

Regression coefficient

p-value

OR (95% CI)

Regression coefficient

p-value

OR (95% CI)

Intercept1 (Beneficial change)

3.93

0.001

.

7.83

<0.001

.

5.37

<0.001

.

Intercept2 (No change)

5.04

<0.001

.

8.65

<0.001

.

6.32

<0.001

.

Age (year)

−0.06

0.475

0.94 (0.79,1.12)

−0.05

0.555

0.95 (0.81,1.12)

0.03

0.758

1.03 (0.87,1.21)

Gender

 Boy

0.07

0.610

1.08 (0.81,1.42)

0.09

0.502

1.10 (0.84,1.44)

0.09

0.512

1.09 (0.84,1.42)

 Girl

Reference

.

.

Reference

.

.

Reference

.

.

Grade

 3

−0.11

0.518

0.89 (0.64,1.26)

−0.02

0.909

0.98 (0.70,1.36)

0.16

0.341

1.17 (0.85,1.61)

 4

Reference

.

.

Reference

.

.

Reference

.

.

Age at moving to Guangzhou

 0 ~ 3

0.17

0.353

1.18 (0.83,1.67)

−0.10

0.546

0.90 (0.65,1.26)

−0.26

0.113

0.77 (0.55,1.06)

 3 ~ 6

0.10

0.570

1.11 (0.78,1.58)

−0.01

0.968

0.99 (0.70,1.40)

0.04

0.815

1.04 (0.75,1.45)

 6 and above

Reference

.

.

Reference

.

.

Reference

.

.

Siblings

 0

−0.05

0.845

0.95 (0.58,1.56)

−0.30

0.235

0.74 (0.45,1.21)

−0.21

0.382

0.81 (0.50,1.30)

 1-2

0.10

0.526

1.10 (0.82,1.47)

−0.02

0.880

0.98 (0.73,1.30)

0.01

0.926

1.01 (0.77,1.34)

 3or more

Reference

.

.

Reference

.

.

Reference

.

.

Family economic status

 Good

−0.04

0.862

0.96 (0.60,1.54)

−0.21

0.381

0.81 (0.51,1.29)

0.34

0.145

1.40 (0.89,2.21)

 Median

−0.19

0.421

0.83 (0.53,1.31)

0.22

0.342

1.24 (0.80,1.93)

0.12

0.590

1.13 (0.73,1.74)

 Poor

Reference

.

.

Reference

.

.

Reference

.

.

Place of birth

 Other Province

0.09

0.537

1.09 (0.83,1.44)

0.15

0.285

1.16 (0.88,1.52)

0.14

0.300

1.15 (0.88,1.49)

 Guangdong Province

Reference

.

.

Reference

.

.

Reference

.

.

Oral health knowledge

 Baseline score

0.96

<0.001

2.61 (2.33,2.93)

−0.01

0.888

0.99 (0.92,1.07)

−0.02

0.597

0.98 (0.91,1.05)

Oral health behaviors

 Baseline score of oral hygiene

−0.06

0.097

0.95 (0.88,1.01)

0.68

<0.001

1.96 (1.81,2.13)

0.02

0.556

1.02 (0.96,1.08)

 Baseline score of dietary habits

−0.04

0.189

0.96 (0.91,1.02)

0.05

0.103

1.05 (0.99,1.11)

0.58

<0.001

1.79 (1.66,1.92)

Parental practices

 Baseline score of attention to children’s caries

−0.09

0.181

0.92 (0.81,1.04)

−0.19

0.003

0.82 (0.73,0.93)

−0.07

0.264

0.93 (0.83,1.05)

 Baseline score of dietary guidance

−0.04

0.090

0.96 (0.92,1.01)

−0.06

0.012

0.95 (0.91,0.99)

−0.06

0.007

0.94 (0.90,0.98)

  1. aModel fitting information: chi-square = 445.63(p < 0.001); Test of parallel lines: chi-square = 11.81(p = 0.694); Goodness-of-fit: (i) Pearson chi-square = 2133.98(p = 0.149) and (ii) Deviance chi-square = 1618.62(p = 1.00)
  2. bModel fitting information: chi-square = 403.54(p < 0.001); Test of parallel lines: chi-square = 17.88(p = 0.269); Goodness-of-fit: (i) Pearson chi-square = 2007.26(p = 0.823) and (ii) Deviance chi-square = 1678.33(p = 1.00)
  3. cModel fitting information: chi-square = 364.76(p < 0.001); Test of parallel lines: chi-square = 11.50(p = 0.716); Goodness-of-fit: (i) Pearson chi-square = 2096.30(p = 0.321) and (ii) Deviance chi-square = 1780.32(p = 1.00)
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BMC Oral Health

ISSN: 1472-6831

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