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Table 1 Distribution of individual baseline characteristics according to activity space

From: Influence of activity space on the association between neighborhood characteristics and dementia risk: results from the 3-City study cohort

Individual characteristics, N (%)

No limited activity space (n = 6237)

Limited activity space (n = 772)

pa

Socio-demographic and socio-economic factors

 

Female

3735 (59.9)

591 (76.6)

<.0001

Age at inclusion (years)b

73.6 (5.1)

78.4 (6.1)

<.0001

Study center

<.0001

 Bordeaux

1362 (21.8)

223 (28.9)

 

 Dijon

3641 (58.4)

439 (56.9)

 

 Montpellier

1234 (19.8)

110 (14.3)

 

Familial status (n = 6988)

<.0001

 Divorced or single

906 (14.6)

126 (16.3)

 

 Married

3737 (60.2)

346 (44.9)

 

 Widowed

1567 (25.2)

299 (38.8)

 

 Primary study

1407 (22.6)

266 (34.5)

<.0001

 Income ≥2287 €

2169 (34.8)

145 (18.8)

<.0001

 Blue collars

1072 (17.2)

189 (24.5)

<.0001

 Living alone (n = 6992)

2217 (35.6)

372 (48.4)

<.0001

 IADL « budget, medication, phone »

51 (0.8)

62 (8.0)

<.0001

Factors related to lifestyle

Alcohol consumption (n = 6901)

 Non consumer

1148 (18.7)

254 (33.5)

<.0001

 1-36 g/day

4474 (72.9)

474 (62.5)

 

  > 36 g/day

513 (8.4)

31 (4.1)

 

Smoking status (n = 7013)

 Current smoker

342 (5.5)

29 (3.8)

<.0001

 Former smoker

2112 (33.9)

186 (24.2)

 

 Non-smoking

3782 (60.7)

555 (72.1)

 

Factors related to health

Presence of the APOEε4

1250 (20.0)

140 (18.1)

0.21

Body mass index

<.0001

Underweight (< 18.5)

123 (2.0)

58 (7.5)

 

Normal (18.5–25)

2869 (46.0)

290 (37.6)

 

Overweight [25,26,27,28,29,30]

2459 (39.4)

274 (35.5)

 

Obese (> 30)

786 (12.6)

150 (19.4)

 

Diabetes

536 (8.6)

112 (14.5)

<.0001

History of CVD

508 (8.1)

118 (15.3)

<.0001

Hypertensionc (n = 6858)

2499 (40.9)

386 (51.8)

<.0001

Hypercholesterolemiad (n = 7000)

3580 (57.5)

406 (52.7)

0.0123

Depressive syndrome (n = 6924)

697 (11.2)

193 (25.0)

<.0001

Incidence rate of dementia (/1000 py)

12.2

38.4

 
  1. aWilcoxon test for age, chi-square test for other variables
  2. bMEAN (SD)
  3. cHypertension: systolic blood pressure > 140 mmHg or diastolic blood pressure > 90 mmHg or antihypertensive drug intake)
  4. dHypercholesterolemia: fasting total cholesterol> 6.2 mmol/L or lipid-lowering drug intake
  5. CVD, cardiovascular diseases; IADL, Instrumental Activities of Daily Living
  6. Note: People with limited activity space = people who have need to help to go shopping, or if they are unable to move without being accompanied, or if people are confined at home or at their neighborhood