Table 4 Multilevel linear regression of the logarithm of days (95% confidence intervals) in rehabilitation time prior to disability pension award for subjects with psychiatric diagnosis

Females vs. Males

0.10

−0.10 to 0.30

0.08

−0.15 to 0.32

0.15

−0.08 to 0.37

Age:

 44-46

Ref

Ref

Ref

 47-49

−0.13

−0.56 to 0.31

−0.05

−0.24 to 0.22

−0.02

−0.44 to 0.41

 50-52

−0.10

−0.53 to 0.33

−0.08

−0.69 to −0.05

−0.03

0.46 to 0.39

 53-55

0.01

−0.42 to 0.44

0.04

−0.39 to 0.47

0.04

−0.39 to 0.48

 56-58

−0.40

−0.85 to 0.06

−0.38

−0.84 to 0.08

−0.32

−0.80 to 0.16

 59-61

-

-

-

-

-

-

Unemployed prior to disability vs. not

0.09

−0.14 to 0.31

0.05

−0.18 to 0.27

−0.01

−0.23 to 0.21

Number of reported chronic illnesses

−0.01

−0.12 to 0.10

−0.02

−0.12 to 0.09

Self-rated health:

 Very good

Ref

Ref

 Good

−0.63

−1.63 to 0.37

−0.60

−1.58 to 0.39

 Fair

−0.52

−1.51 to 0.46

−0.47

−1.43 to 0.49

 Poor

0.47

−1.52 to 0.57

−0.42

−1.45 to 0.61

Depressed:

 Never/rarely

Ref

Ref

 Sometimes

−0.19

−0.79 to 0.41

−0.29

−0.87 to 0.28

 Often

−0.20

−0.79 to 0.39

−0.33

−0.90 to 0.23

 Almost all the time

−0.28

−0.94 to 0.38

−0.43

−1.06 to 0.21

Headache:

 Never/rarely

Ref

Ref

 Once or several times per month

−0.17

−0.41 to 0.08

−0.17

−0.42 to 0.08

 Once or several times per week

−0.58

−0.96 to 0.20

−0.70

−1.07 to 0.34

 Daily

−0.54

−1.22 to 0.14

−0.46

−1.13 to 0.22

Pain in neck or shoulder:

 Never/rarely

Ref

Ref

 Once or several times per month

0.09

−0.17 to 0.35

0.14

−0.11 to 0.40

 Once or several times per week

0.41

0.02 to 0.80

0.50

0.12 to 0.89

 Daily

0.36

0.03 to 0.70

0.45

0.12 to 0.78

Smoking:

 Non-smoker

Ref

Ref

 Former smoker

−0.21

−0.53 to 0.11

−0.18

−0.49 to 0.13

 Smoker

−0.15

−0.44 to 0.13

0.08

−0.36 to 0.20

Alcohol:

 Non-drinker

Ref

Ref

 Up to 1–2 times per month

0.12

−0.12 to 0.36

0.18

−0.06 to 0.42

 More than once a week/daily

−0.00

−0.41 to 0.40

0.06

−0.34 to 0.45

Education:

 High level

Ref

 Medium level

0.06

−0.16 to 0.29

 Low Level

0.40

0.12 to 0.69

Municipality size:

 Under 7,500 inhabitants

Ref

 7,500 to 15,000 inhabitants

0.02

−0.23 to 0.28

 Over 15,000 inhabitants

−0.35

−0.57 to −0.12

 Rehabilitation rate in municipality

−0.05

−0.14 to 0.08

Random effects:

 Variance between municipalities

0.0756

0.0477

0.0000

 Variance within municipalities

0.3706

0.3513

0.3599

ICC:

0.17

0.12

0.00