Table 3 IDS total score: regression model with groups, seasons, covariates and full model with interactions

Intercept

5.83

1.18

3.50

8.15

< 0.01*

4.60

1.00

2.64

6.56

< 0.01*

HC (reference)

MDD

23.75

0.92

21.95

25.55

.72

< 0.01*

24.80

0.97

22.90

26.69

.76

< 0.01*

AAD

12.37

0.91

10.58

14.16

.38

< 0.01*

12.36

0.91

10.58

14.15

.38

< 0.01*

MDD + AAD

-6.51

1.31

-9.09

-3.94

-.19

< 0.01*

-6.63

1.31

-9.19

-4.06

-.19

< 0.01*

Summer (reference)

Autumn

0.12

0.77

-1.40

1.63

.00

0.88

2.94

1.25

0.48

5.39

.08

0.02*

Winter

1.08

0.82

-0.53

2.70

.03

0.19

6.28

1.50

3.35

9.21

.16

< 0.01*

Spring

0.45

0.82

-1.16

2.07

.01

0.59

2.72

1.37

0.04

5.40

.07

0.05*

Men (reference)

Women

1.36

0.58

0.21

2.50

.40

0.002*

4.70

1.18

2.38

7.02

.14

< 0.01*

Age

0.03

0.02

-0.01

0.07

.02

0.16

Two way interactions

Winter & MDD

-3.74

1.33

-6.35

-1.13

.08

< 0.01*

Autumn & Women

-4.53

1.58

-7.64

-1.43

-.11

< 0.01*

Winter & Women

-5.34

1.68

-8.63

-2.04

-.12

< 0.01*

Spring & Women

-3.72

1.70

-7.07

-0.38

-.08

0.03*