Table 1 Characteristics for cases and controls. Data are presented as median (IQR), mean ± standard deviation, or n (%)

Age (yr)

48.4 (39.2–57.5)

49.1 (38.7–58.2)

0.887

BMI (kg/m²)

28.0 (24.4–34.0)

27.0 (23.6–32.4)

0.047

Diastolic BP (mmHg)

79 ± 11

77 ± 11

< 0.001

Systolic BP (mmHg)

129 ± 17

124 ± 16

< 0.001

Alcohol consumption (g/day)

3.0 (0.4–11.4)

3.8 (0.5–12.9)

0.595

Walking aid (current)

3 (2.6)

8 (2.3)

0.834

General health status (current)

 Excellent

47 (39.5)

208 (58.4)

< 0.001

 Good

39 (32.8)

109 (30.6)

 Poor

33 (27.7)

39 (11.0)

Mobility (current)

 Very active

25 (21.4)

97 (27.3)

< 0.001

 Active

59 (50.4)

205 (57.6)

 Sedentary

33 (28.2)

54 (15.2)

Socio-economic status (current)

 Quintile 1 (most disadvantaged)

14 (15.2)

54 (15.2)

0.506

 Quintile 2

15 (16.3)

75 (21.1)

 Quintile 3

32 (34.8)

80 (22.5)

 Quintile 4

20 (21.7)

70 (19.7)

 Quintile 5 (most advantaged)

11 (12.0)

76 (21.4)

Psychotropic medication use (current)

 Antidepressants

58 (48.7)

51 (14.3)

< 0.001

 Sedatives/hypnotics

6 (5.0)

10 (2.8)

0.051

 Benzodiazepines

4 (3.4)

15 (4.2)

0.367

 Antipsychotics

78 (65.6)

1 (0.28)

< 0.001

Falls

 No falls

63 (52.9)

269 (75.4)

< 0.001

 One fall

34 (28.6)

70 (19.6)

 Two or more falls

22 (18.5)

18 (5.0)