Table 1 Socio-demographic characteristics of study participants by computer user and self-reported depressive and anxiety disorder (DAD)

 Male

28253 (57.8)

10671 (37.8)

<0.001

1.19

<0.001

 Female

20597 (42.2)

6848 (33.3)

1.83

 15–29

5091 (10.4)

2496 (49.0)

<0.001

1.12

<0.001

 30–39

11471 (23.5)

6117 (53.3)

1.27

 40–49

14147 (29.0)

5833 (41.2)

1.43

 50-

18141 (37.1)

3073 (16.9)

1.69

 Professionals + Senior managers

7431 (15.2)

5317 (71.6)

<0.001

1.28

0.055

 Clerical

6691 (13.7)

5868 (87.7)

1.21

 Sales + service

15817 (32.4)

4280 (27.1)

1.62

 Manual worker

18910 (38.7)

2054 (10.9)

1.48

 Middle School or lower

9099 (18.6)

361 (4.0)

<0.001

1.92

<0.001

 High School

19875 (40.9)

4447 (22.4)

1.51

 College

7617 (15.6)

3819 (50.1)

1.13

 University graduate or above

12259 (25.1)

8892 (72.5)

1.22

 Self-employed, employer, and others

19886 (40.7)

4417 (22.2)

<0.001

1.69

0.010

 Full-time employee

27134 (55.6)

12848 (47.4)

1.25

 Part-time employee

1830 (3.8)

254 (13.9)

1.97

 20–39 h

4763 (9.8)

719 (15.1)

<0.001

2.16

<0.001

 40 h

10767 (22.0)

6221 (57.8)

1.07

 41–50 h

13448 (27.5)

5786 (43.0)

1.44

 51–60 h

11145 (22.8)

3107 (27.9)

1.15

 61 h-

8727 (17.9)

1686 (19.3)

1.97

 Non-smoking

34216 (70.0)

121814 (35.6)

0.074

1.57

0.002

 Smoking

14634 (30.0)

5335 (36.5)

1.20

 Yes

10920 (22.3)

4490 (41.1)

<0.001

1.47

0.821

 No

37930 (77.7)

13029 (34.4)

1.43

 Total

48850 (100.0)

17519 (35.9)

1.46