Table 2 Bivariate analyses of associations of caseness by HADS-A, HADS-D and HADS-cAD with categorical demographic, environmental and behavioural factors

 18–25

489

84 (17.2)

Reference

-

12 (2.5)

Reference

-

20 (4.1)

Reference

-

 26–35

657

115 (17.5)

1.0 [0.8–1.4]

0.89

23 (3.5)

1.4 [0.7–2.9]

0.31

30 (4.6)

1.1 [0.6–2.0]

0.69

 36–45

438

65 (14.8)

0.8 [0.6–1.2]

0.33

25 (5.7)

2.4 [1.2–4.9]

0.014

31 (7.1)

1.8 [1.0–3.2]

0.049

 46–55

298

49 (16.4)

0.95 [0.6–1.4]

0.79

26 (8.7)

3.8 [1.9–7.7]

<0.001

28 (9.4)

2.4 [1.3–4.4]

0.003

 56–65

218

27 (12.4)

0.7 [0.4–1.1]

0.11

23 (10.6)

4.7 [2.3–9.6]

<0.001

28 (12.8)

3.5 [1.9–6.3]

<0.001

 male

861

119 (13.8)

Reference

-

42 (4.9)

Reference

-

44 (5.5)

Reference

-

 female

1239

221 (17.8)

1.4 [1.1–1.7]

0.014

67 (5.4)

1.1 [0.8–1.7]

0.59

93 (7.5)

1.5 [1.0–2.2]

0.031

 married

1738

285 (16.4)

Reference

-

92 (5.3)

Reference

-

104 (6.0)

Reference

-

 single

239

35 (14.6)

0.9 [0.6–1.3]

0.49

5 (2.1)

0.4 [0.2–0.95]

0.038

8 (3.3)

0.5 [0.3–1.1]

0.10

 separated or divorced

20

4 (20)

1.3 [0.4–3.8]

0.66

2 (10)

2.0 [0.5–8.7]

0.36

1 (5.0)

0.8 [0.1–6.2]

0.85

 widowed

103

16 (15.5)

0.9 [0.5–1.6]

0.82

10 (9.7)

1.9 [1.0–3.8]

0.061

24 (23.3)

4.8 [2.9–7.9]

<0.001

 ≤950

822

128 (15.6)

1.0 [0.8–1.3]

0.97

54 (6.6)

1.5 [1.0–2.3]

0.065

54 (6.6)

1.1 [0.7–1.6]

0.68

 950–1200

806

126 (15.6)

Reference

-

36 (4.5)

Reference

-

49 (6.1)

Reference

-

 >1200

472

86 (18.2)

1.2 [0.9–1.6]

0.23

19 (4)

0.9 [0.5–1.6]

0.71

34 (7.2)

1.2 [0.8–1.9]

0.43

 rural

1328

206 (15.5)

Reference

-

76 (5.7)

Reference

-

84 (6.3)

Reference

-

 urban

772

134 (17.4)

1.1 [0.9–1.5]

0.27

33 (4.3)

0.7 [0.5–1.1]

0.15

53 (6.9)

1.1 [0.8–1.6]

0.63

 <2000 m

1630

253 (15.5)

Reference

-

71 (4.4)

Reference

-

89 (5.5)

Reference

-

 ≥2000 m

470

87 (18.5)

1.2 [0.9–1.6]

0.12

38 (8.1)

1.9 [1.3–2.9]

0.002

48 (10.2)

2.0 [1.4–2.8]

<0.001

 no

1613

265 (16.4)

Reference

-

76 (4.7)

Reference

-

91 (5.6)

Reference

-

 yes

487

75 (15.4)

0.6 [0.7–1.2]

0.20

33 (6.8)

1.5 [1.0–2.2]

0.073

46 (9.4)

1.7 [1.2–2.5]

0.003

 no

1512

260 (17.2)

Reference

-

77 (5.1)

Reference

-

106 (7.0)

Reference

-

 yes

588

80 (13.6)

0.8 [0.6–0.99]

0.045

32 (5.4)

1.1 [0.7–1.6]

0.75

31 (5.6)

0.7 [0.5–1.1]

0.15

 no

2065

335 (16.2)

Reference

-

104 (5)

Reference

-

134 (6.5)

Reference

-

 yes

35

5 (14.3)

0.9 [0.3–2.2]

0.76

5 (14.3)

3.1 [1.2–8.3]

0.020

8 (3.6)

1.4 [0.4–4.5]

0.62

 never

801

125 (15.6)

Reference

-

29 (3.6)

Reference

-

46 (5.7)

Reference

-

 sometimes

532

89 (16.7)

1.1 [0.8–1.5]

0.58

28 (5.3)

1.5 [0.9–2.5]

0.15

24 (4.5)

0.8 [0.5–1.2]

0.32

 daily

767

126 (16.4)

1.1 [0.8–1.4]

0.66

52 (6.8)

1.9 [1.2–3.1]

0.005

67 (8.7)

1.6 [1.1–2.3]

0.023

 never used

801

125 (15.6)

Reference

-

29 (3.6)

Reference

-

46 (5.7)

Reference

-

 light, moderate

801

116 (14.5)

0.9 [0.7–1.2]

0.53

45 (5.6)

1.6 [1.0–2.6]

0.06

44 (5.5)

1.0 [0.6–1.5]

0.83

 heavy

498

99 (19.9)

1.3 [1.0–1.8]

0.048

35 (7.0)

2.0 [1.2–3.3]

0.007

47 (9.4)

1.7 [1.1–2.6]

0.013

 easy

417

47 (11.3)

Reference

-

14 (3.4)

Reference

-

11 (2.6)

Reference

-

 medium

1137

158 (13.9)

1.3 [0.9–1.8]

0.18

55 (4.8)

1.5 [0.8–2.7]

0.21

49 (4.3)

1.7 [0.9–3.2]

0.13

 tough

546

135 (24.7)

2.6 [1.8–3.7]

<0.001

40 (7.3)

2.3 [1.2–4.2]

0.010

77 (14.1)

6.1 [3.2–11.6]

<0.001