Table 3 Two-level linear random effect regression models for the association between education in years and symptoms of anxiety and depression in 17,990 couples

Intercept

23

25

25

19

22

22

Women compared to men

3.5

(3.2, 3.8)

3.5

(3.2, 3.8)

3.5

(3.2, 3.8)

−1.1

(−1.4, -0.9)

−1.1

(−1.3, -0.8)

−1.0

(−1.3, -0.8)

Age

25-34

ref

ref

ref

ref

ref

ref

35-44

0.2

(−0.4, 0.8)

0.2

(−0.4, 0.8)

0.2

(−0.4, 0.8)

2.1

(1.5, 2.7)

2.1

(1.5, 2.6)

2.1

(1.5, 2.6)

45-54

0.2

(−0.4, 0.8)

0.1

(−0.6, 0.7)

0.1

(−0.6, 0.7)

4.6

(4.0, 5.2)

4.4

(3.8, 5.0)

4.4

(3.8, 5.0)

55-64

−0.3

(−0.9, 0.4)

−0.5

(−1.2, 0.1)

−0.5

(−1.2, 0.1)

6.0

(5.4, 6.6)

5.6

(5.0, 6.2)

5.6

(5.0, 6.2)

>64

−3.0

(−3.7, -2.3)

−3.4

(−4.1, -2.8)

−3.4

(−4.1, -2.7)

6.6

(6.0, 7.2)

6.0

(5.3, 6.6)

6.0

(5.3, 6.6)

Education

Own education

−0.4

(−0.4, -0.3)

−0.3

(−0.4, -0.2)

−0.5

(−0.6, -0.4)

−0.4

(−0.5, -0.4)

Partner education

−0.2

(−0.3, -0.2)

−0.3

(−0.4, -0.2)

Within couple^b

−0.1

(−0.2, 0.0)

−0.1

(−0.2, 0.0)

Between couple^c

−0.5

(−0.6, -0.5)

−0.7

(−0.8, -0.6)

Individual level variance

191

191

191

147

147

147

Couple level variance

43

44

44

50

50

50

Intra class correlation (%)^d

18

19

19

25

25

25