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Table 3 Logistic regression analysis of preventive dental visits according to age

From: Association between overtime work hours and preventive dental visits among Japanese workers

  

The number of participant

Quarterly preventive dental visit

Annual preventive dental visit

  

Men

Women

Men

Women

Age

Overtime work hours

Men

Women

aOR

95%CI

p-value

aOR

95%CI

p-value

aOR

95%CI

p-value

aOR

95%CI

p-value

≦29

None

53

70

Reference

  

Reference

  

Reference

  

Reference

  
 

< 20

557

487

0.62

0.17–2.22

0.464

1.63

0.55–4.85

0.382

1.56

0.58–4.18

0.376

1.24

0.63–2.42

0.531

 

20≦, < 40

214

117

0.50

0.12–2.04

0.331

2.06

0.59–7.16

0.257

1.33

0.48–3.70

0.589

1.00

0.44–2.25

0.991

 

40≦

41

22

a −

–

–

a −

–

–

0.82

0.20–3.37

0.783

a −

–

–

30–39

None

106

188

Reference

  

Reference

  

Reference

  

Reference

  
 

< 20

1450

566

0.97

0.47–1.97

0.924

0.68

0.43–1.08

0.101

0.74

0.48–1.16

0.193

0.74

0.52–1.05

0.092

 

20≦, < 40

629

148

0.71

0.33–1.55

0.392

0.96

0.52–1.77

0.905

0.73

0.45–1.17

0.193

0.63

0.39–1.01

0.057

 

40≦

151

30

0.64

0.23–1.72

0.373

0.60

0.19–1.91

0.387

0.63

0.35–1.15

0.131

0.62

0.26–1.44

0.263

40–49

None

509

259

Reference

  

Reference

  

Reference

  

Reference

  
 

< 20

2239

799

0.91

0.65–1.27

0.567

0.74

0.49–1.14

0.171

0.76

0.61–0.95

0.017

0.77

0.57–1.05

0.098

 

20≦, < 40

1078

202

1.02

0.69–1.49

0.933

0.58

0.32–1.07

0.083

0.84

0.65–1.09

0.194

0.76

0.50–1.14

0.182

 

40≦

347

38

1.04

0.64–1.67

0.882

0.71

0.23–2.18

0.551

0.72

0.51–1.00

< 0.05

1.10

0.53–2.30

0.792

50–59

None

633

126

Reference

  

Reference

  

Reference

  

Reference

  
 

< 20

2020

450

0.73

0.56–0.95

0.019

1.18

0.68–2.03

0.553

0.75

0.61–0.91

0.004

1.02

0.65–1.60

0.928

 

20≦, < 40

844

129

0.75

0.54–1.04

0.085

1.06

0.54–2.06

0.869

0.76

0.59–0.97

0.028

0.89

0.51–1.54

0.668

 

40≦

274

15

0.55

0.34–0.90

0.017

1.54

0.43–5.47

0.507

0.63

0.45–0.88

0.007

1.52

0.50–4.63

0.459

  1. Overtime work hours: mean overtime work hours per month in the last 6 months
  2. aOR Adjusted odds ratio (adjusted for occupation, marital status, education, and dental problems)
  3. CI Confidence interval
  4. a: Unable to analyze because of small numbers in each group
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