Table 1 Multivariable linear regression analysis for the five most important factors on each of the Global MAAS score and Quality and Intensity subscales. The table shows the distribution of the factors, and the size and direction of their effects

Age

 < 26 years

160 (12.1)

–

–

–

Ref

Ref

Ref

Ref

Ref

Ref

26—30 years

466 (35.1)

–

–

–

− 1.29

0.65

0.05

− 1.04

0.40

0.01

31—35 years

454 (34.2)

–

–

–

− 2.54

0.68

0.00

− 2.29

0.42

0.00

36 + years

248 (18.7)

–

–

–

− 2.70

0.75

0.00

− 2.57

0.47

0.00

Children living at home

No

537 (40.4)

–

–

–

–

–

–

Ref

Ref

Ref

Yes

791 (59.6)

–

–

–

–

–

–

0.33

0.56

0.55

Education

ISCED Level 1–3

235 (17.7)

Ref

Ref

Ref

Ref

Ref

Ref

–

–

–

ISCED Level 4–5

433 (32.6)

− 0.05

0.26

0.83

0.62

0.57

0.28

–

–

–

ISCED Level 6

418 (31.5)

− 0.67

0.26

0.01

− 1.13

0.60

0.06

–

–

–

ISCED Level 7–8

242 (18.2)

− 1.15

0.29

0.00

− 2.59

0.69

0.00

–

–

–

Daily practical help

0 relations

11 (0.8)

Ref

Ref

Ref

Ref

Ref

Ref

–

–

–

1 type of relationhip

29 (2.2)

4.12

1.11

0.00

5.72

2.43

0.02

–

–

–

2 types of relationship

87 (6.6)

3.25

1.01

0.00

4.33

2.20

0.05

–

–

–

3 types of relationship

153 (11.5)

2.57

0.99

0.01

3.24

2.16

0.13

–

–

–

4 types of relationship

256 (19.3)

3.63

0.98

0.00

5.58

2.14

0.01

–

–

–

5 types of relationship

484 (36.5)

3.49

0.97

0.00

4.81

2.12

0.02

–

–

–

6 types of relationship

308 (23.2)

3.74

0.99

0.00

6.24

2.15

0.00

–

–

–

Opportunity to talk

1 type of relationship

2 (0.2)

Ref

Ref

Ref

Ref

Ref

Ref

Ref

Ref

Ref

2 types of relationship

41 (3.1)

2.97

2.28

0.19

8.91

4.98

0.07

4.49

3.11

0.15

3 types of relationship

92 (6.9)

3.64

2.24

0.11

10.65

4.90

0.03

5.16

3.07

0.09

4 types of relationship

221 (16.6)

3.82

2.23

0.09

11.24

4.87

0.02

5.92

3.05

0.05

5 types of relationship

456 (34.3)

3.88

2.23

0.08

11.13

4.86

0.02

5.49

3.04

0.07

6 types of relationship

516 (38.9)

4.11

2.23

0.07

11.47

4.87

0.02

6.03

3.04

0.05

Self-rated health (SRH)

Very good

190 (14.3)

Ref

Ref

Ref

–

–

–

–

–

–

Good

858 (64.6)

− 0.71

0.25

0.01

–

–

–

–

–

–

Fair

251 (18.9)

− 1.34

0.31

0.00

–

–

–

–

–

–

Poor

29 (2.2)

− 0.26

0.64

0.68

–

–

–

–

–

–

Self-assessed physical fitness (SAPF)

Very good

42 (3.2)

–

–

–

Ref

Ref

Ref

Ref

Ref

Ref

Good

341 (25.7)

–

–

–

− 2.45

1.12

0.03

− 1.83

0.71

0.01

Fair

625 (47.1)

–

–

–

− 2.63

1.10

0.02

− 1.88

0.69

0.01

Poor

290 (21.8)

–

–

–

− 3.99

1.14

0.00

− 2.71

0.72

0.00

Very poor

30 (2.3)

–

–

–

− 6.31

1.66

0.00

− 2.75

1.04

0.01

Depression (MDI > 21)

No

1096 (82.5)

Ref

Ref

Ref

–

–

–

–

–

–

Yes

232 (17.5)

− 0.97

0.24

0.00

–

–

–

–

–

–

Parity

No previous births

589 (44.4)

–

–

–

–

–

–

Ref

Ref

Ref

One previous births

502 (37.8)

–

–

–

–

–

–

− 2.08

0.57

0.00

Several previous births

237 (17.9)

–

–

–

–

–

–

− 1.29

0.62

0.04