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Table 4 Insomnia depending on months under high residential turnover

From: Insomnia and urban neighbourhood contexts – are associations modified by individual social characteristics and change of residence? Results from a population-based study using residential histories

Whole Sample

N = 2873

%

Model 1: crude

Model 2: adjusted a)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

2218

77.2

1

  

1

  

At some time

544

18.9

1.20

[0.90

1.58]

1.11

[0.83

1.48]

All the time

111

3.9

1.62

[0.97

2.70]

1.33

[0.78

2.25]

Model fit (Cox & Snell R 2 / Nagelkerke`s R 2 )

   

0.001 /

0.003

 

0.032 /

0.061

Subgroup: low-income

N = 735

%

Model 1: crude

Model 2: adjusted b)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

537

73.1

1

  

1

  

At some time

159

21.6

1.19

[0.73

1.93]

1.14

[0.70

1.86]

All the time

39

5.3

1.82

[0.83

3.98]

1.55

[0.70

3.46]

Model fit (Cox & Snell R 2 / Nagelkerke`s R 2 )

   

0.003 /

0.005

 

0.017 /

0.029

Subgroup: less educated

N = 334

%

Model 1: crude

Model 2: adjusted b)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

241

72.2

1

  

1

  

At some time

69

20.6

1.45

[0.79

2.65]

1.33

[0.72

2.47]

All the time

24

7.2

1.46

[0.58

3.71]

1.36

[0.53

3.50]

Model fit (Cox & Snell R 2 / Nagelkerke`s R 2 )

   

0.005 /

0.008

 

0.030 /

0.044

Subgroup: socially isolated

N = 215

%

Model 1: crude

Model 2: adjusted b)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

161

74.9

1

  

1

  

At some time

36

16.7

1.61

[0.71

3.69]

1.62

[0.67

3.93]

All the time

18

8.4

  

  

Model fit (Cox&Snell R 2 / Nagelkerke`s R 2 )

   

0.012 /

0.019

 

0.049 /

0.076

Subgroup: non-movers

N = 2317

%

Model 1: crude

Model 2: adjusted a)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

1842

79.5

1

  

1

  

At some time

381

16.4

1.06

[0.76

1.49]

1.00

[0.71

1.41]

All the time

94

4.1

1.83*

[1.07

3.12]

1.53

[0.88

2.66]

Model fit (Cox & Snell R 2 / Nagelkerke`s R 2 )

   

0.002 /

0.004

 

0.027 /

0.052

Subgroup: movers

N = 556

%

Model 1: crude

Model 2: adjusted a)

High residential turnover

  

OR

[−CI

+CI]

OR

[−CI

+CI]

Never (Ref.)

376

67.6

1

  

1

  

At some time

163

29.3

1.59

[0.94

2.71]

1.45

[0.82

2.54]

All the time

17

3.1

§

  

§

  

Model fit (Cox & Snell R 2 / Nagelkerke`s R 2 )

   

0.006 /

0.012

 

0.077 /

0.147

  1. Multivariate logistic regression models for the whole sample and for subgroups: Odds ratios are shown for having insomnia (reference group: non-insomniacs) with 95% CIs.
  2. Model 1: crude exposure, without any adjustment. Model 2 a): adjusted for years under high exposure to night-time noise, age, gender, economic activity, and education, Model 2 b): adjusted for years under high exposure to night-time noise, age, gender, and economic activity. Level of significance: * p-value < 0.05. † too small numbers in this exposure category as to calculate reliable odds ratios; 6 out of 18 social isolated participants suffered from insomnia. § too small numbers in this exposure category as to calculate reliable odds ratios; 1 out of 17 movers suffered from insomnia.