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Table 2 Association between denture/bridge use and local district- and municipality-level characteristics in males and females

From: Social determinants of denture/bridge use: Japan gerontological evaluation study project cross-sectional study in older Japanese

 

Males

Females

 

n

Denture/bridge users (%)

Univariate PR

n

Denture/bridge users (%)

Univariate PR

Characteristic

PR

95% CI

PR

95% CI

Local district-level characteristics

        

  Cognitive social capital

        

  General trust (%)

        

   Lowest (<92.86)

85

68.6

1.00

(reference)

85

67.0

1.00

(reference)

   Low middle (92.86 - 97.00)

304

67.8

0.99

(0.93-1.05)

304

67.5

1.01

(0.95-1.07)

   High middle (97.01 - 99.99)

114

69.2

1.01

(0.94-1.08)

114

68.5

1.02

(0.96-1.09)

   Highest (100.00)

58

69.8

1.02

(0.91-1.13)

59

68.2

1.02

(0.92-1.13)

  Norms of reciprocity (%)

        

   Lowest (<84.91)

61

71.1

1.00

(reference)

61

68.0

1.00

(reference)

   Low middle (84.91 - 91.17)

250

69.3

0.98

(0.90-1.06)

250

68.8

1.01

(0.93-1.10)

   High middle (91.18 - 99.99)

237

67.0

0.94

(0.87-1.02)

234

66.7

0.98

(0.90-1.06)

   Highest (100.00)

13

71.6

1.01

(0.77-1.32)

14

69.7

1.02

(0.81-1.30)

  Attachment to place (%)

        

   Lowest (<91.03)

62

70.4

1.00

(reference)

63

68.3

1.00

(reference)

   Low middle (91.03 - 97.11)

379

68.4

0.97

(0.90-1.05)

379

67.9

0.99

(0.92-1.07)

   High middle (97.12 - 99.99)

84

66.4

0.94

(0.87-1.03)

84

66.3

0.97

(0.89-1.05)

   Highest (100.00)

36

66.7

0.95

(0.81-1.10)

36

70.3

1.03

(0.89-1.18)

  Emotional social support (received) (%)

        

   Lowest (<88.89)

142

71.9

1.00

(reference)

143

71.2

1.00

(reference)

   Low middle (88.89 - 92.85)

139

69.7

0.97

(0.92-1.02)

139

69.5

0.98

(0.93-1.03)

   High middle (92.86 - 95.44)

139

67.5

0.94

(0.89-0.99)a

139

67.5

0.95

(0.90-1.00)a

   Highest (≥95.45)

138

65.7

0.91

(0.86-0.97)b

138

64.3

0.90

(0.86-0.95)c

   Missing

3

45.6

0.63

(0.49-0.83)c

3

59.6

0.84

(0.69-1.01)

  Emotional social support (given) (%)

        

   Lowest (<85.71)

129

69.4

1.00

(reference)

130

70.4

1.00

(reference)

   Low middle (85.71 - 89.35)

151

69.0

0.99

(0.94-1.04)

151

67.8

0.96

(0.92-1.01)

   High middle (89.36 - 92.09)

140

66.9

0.96

(0.91-1.01)

140

66.3

0.94

(0.90-0.99)a

   Highest (≥92.10)

141

68.7

0.99

(0.94-1.04)

141

68.5

0.97

(0.92-1.03)

  Instrumental social support (received) (%)

       

   Lowest (<88.89)

148

71.2

1.00

(reference)

148

70.4

1.00

(reference)

   Low middle (88.89 - 92.26)

133

66.8

0.94

(0.89-0.99)a

133

66.7

0.95

(0.90-1.00)a

   High middle (92.27 - 94.81)

140

68.4

0.96

(0.91-1.01)

140

67.9

0.97

(0.92-1.01)

   Highest (≥94.82)

140

67.8

0.95

(0.90-1.00)

141

67.1

0.95

(0.91-1.00)

  Instrumental social support (given) (%)

        

   Lowest (<77.42)

140

67.9

1.00

(reference)

141

69.1

1.00

(reference)

   Low middle (77.42 - 81.87)

140

67.6

1.00

(0.95-1.05)

140

66.7

0.97

(0.92-1.01)

   High middle (81.88 - 85.41)

141

67.5

0.99

(0.95-1.04)

141

67.5

0.98

(0.93-1.02)

   Highest (≥85.42)

140

70.3

1.03

(0.98-1.09)

140

68.4

0.99

(0.94-1.04)

 Structural social capital

        

  Mean number of social groups

        

   Lowest (<1.280)

140

69.2

1.00

(reference)

141

70.4

1.00

(reference)

   Low middle (1.280 - 1.483)

141

69.4

1.00

(0.95-1.06)

141

69.2

0.98

(0.94-1.03)

   High middle (1.484 - 1.687)

139

68.1

0.98

(0.94-1.03)

139

67.7

0.96

(0.92-1.01)

   Highest (≥1.688)

141

67.0

0.97

(0.92-1.02)

141

65.6

0.93

(0.89-0.97)b

  Meeting friends (%)

        

   Lowest (<87.76)

136

69.8

1.00

(reference)

137

70.2

1.00

(reference)

   Low middle (87.76 - 91.00)

142

68.6

0.98

(0.93-1.04)

142

68.8

0.98

(0.93-1.03)

   High middle (91.01 - 93.32)

137

68.8

0.98

(0.93-1.04)

137

67.3

0.96

(0.91-1.01)

   Highest (≥93.33)

143

66.4

0.95

(0.90-1.00)

143

66.4

0.95

(0.90-1.00)a

   Missing

3

45.6

0.65

(0.50-0.85)b

3

59.6

0.85

(0.70-1.03)

Municipality-level characteristics

        

 Number of dentists per 100000 people

        

  Lowest (<47.29)

7

65.3

1.00

(reference)

7

65.7

1.00

(reference)

  Low middle (47.29 - 53.97)

7

66.4

1.02

(0.96-1.07)

7

67.5

1.03

(0.98-1.08)

  High middle (53.98 - 59.74)

7

67.7

1.04

(0.99-1.09)

7

67.4

1.03

(0.98-1.08)

  Highest (≥59.75)

7

70.1

1.07

(1.02-1.13)b

7

68.5

1.04

(1.00-1.09)

 Population density (/km2)

        

  Rural-agricultural (<1000)

2

64.4

1.00

(reference)

2

64.6

1.00

(reference)

  Semi-urban (1000–1499)

7

68.1

1.06

(1.02-1.10)b

7

68.4

1.06

(1.02-1.10)b

  Urban (1500–3999)

6

70.6

1.10

(1.05-1.14)c

6

68.5

1.06

(1.02-1.10)b

  Metropolitan (≥4000)

13

72.2

1.12

(1.08-1.17)c

13

72.0

1.12

(1.07-1.16)c

  1. PR, prevalence ratio; CI, confidence interval.
  2. n, number of local districts for local district-level characteristics and number of municipalities for municipality-level characteristics.
  3. a, p < 0.05; b, p < 0.01; c, p < 0.001.