Table 4 Multivariate logistic regression models for parent responses on additional service use

Soziodemographic model

Man

1.26

0.88–1.80

0.66*

0.43-1.00

1.20

0.83–1.74

Age of patient

1.01

0.95–1.08

1.12**

1.03–1.21

0.93*

0.88–0.99

Parent younger than 40

1.03

0.64–1.66

0.82

0.46–1.46

0.59*

0.35–0.97

Familial relationship

Mother

0.23

0.05–1.18

0.84

0.16–4.52

1.00

0.20–4.86

Father

0.23

0.04–1.22

0.41

0.07–2.47

1.29

0.25–6.76

Family structure

two caretakers

1.06

0.35–3.26

0.80

0.21–3.12

0.46

0.15–1.42

one caretaker

0.86

0.26–2.91

1.83

0.44–7.63

0.50

0.15–1.67

Siblings

None

0.89

0.43–1.85

0.50

0.21–1.16

1.40

0.63–3.10

1–2

0.76

0.40–1.44

0.64

0.32–1.30

1.50

0.75–3.01

School diploma

No school diploma

1.02

0.19–5.60

0.76

0.09–6.20

3.39

0.59–19.46

Hauptschulabschluss

2.52

0.96–6.62

1.64

0.59–4.55

1.23

0.44–3.44

Realschule

1.07

0.66–1.76

0.79

0.45–1.39

1.72

1.03–2.89

Further education diploma

No professional diploma

0.89

0.27–2.91

1.15

0.28–4.71

0.69

0.19–2.43

Professional diploma

0.84

0.48–1.49

1.26

0.65–2.45

0.76

0.42–1.38

University of applied sciences

1.09

0.63–1.90

1.60

0.84–3.05

0.82

0.45–1.46

Illness related factors

Man

1.19

0.80–1.76

0.67

0.42–1.05

1.30

0.87–1.95

Age of patient

0.98

0.98–1.04

1.15**

1.06–1.25

0.99

0.93–1.05

Diagnosis

Morbus Crohn

3.09***

1.42–6.71

1.56

0.60–4.01

0.42**

0.19–0.89

Ulceritive Colitis

0.90**

0.41-2.00

1.15

0.44-3.00

0.88

0.41–1.90

Comorbidities

1.17

0.77–1.78

0.37***

0.23–0.59

1.49

0.96–2.30

Time since diagnosis

less than 1 year

0.87

0.44–1.71

0.337**

0.13–0.85

2.2**

1.13–4.42

1–2 years

1.37

0.77–2.45

0.82

0.43–1.58

1.51

0.84–2.72

3–4 years

1.29

0.71–2.36

1.334*

0.69–2.57

0.92

0.49–1.71

5–6 years

1.77

0.88–3.53

1.02

0.48–2.18

0.63*

0.30–1.37

Phase of illness

Diagnosis

0.32

0.10-1.00

1.53

0.41–5.69

2.45

0.87–6.86

Active

0.74

0.39–1.38

1.25

0.63–2.50

1.24

0.66–2.35

Disease activity pattern

Active disease followed by sustained remission

0.80

0.22–2.93

0.23

0.06–0.91

6.87*

1.30-36.29

There are repeated episodes of illness interrupted by periods of inactivity.

0.86

0.24–3.07

0.27

0.07–1.03

4.65

0.90-24.07

The disease is constantly active, the symptoms vary in severity.

0.99

0.28–3.53

0.32

0.08–1.22

4.52

0.88–23.25

Geographical factors

Number of people living in hometown

more than 500.000

1.28

0.69–2.37

0.91

0.46–1.79

0.97

0.50–1.86

100.000 -500.000

0.63

0.33–1.21

0.67

0.33–1.38

1.52

0.80–2.89

20.000-100.000

0.91

0.55–1.50

0.59

0.33–1.05

1.31

0.79–2.19

5000-20.000

1.14

0.72–1.80

0.586

0.35-1.00

1.15

0.71–1.86

Driving time to paediatric gastroenterologist

Less than 30 min

1.03

0.60–1.77

0.938

0.52–1.71

1.14

0.65–1.98

30–60 min

1.12

0.70–1.79

0.77

0.46–1.30

1.11

0.68–1.80