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Table 1 Descriptive statistics and associations between demographics and participation

From: Exploring patterns of response across the lifespan: the Cambridge Centre for Ageing and Neuroscience (Cam-CAN) study

 

Not Interviewed (%)

N = 4928

Interviewed (%)

N = 2680

ORa

95% CI

Gender

 Men

2143 (43.5)

1172 (43.7)

1

 Women

2785 (56.5)

1508 (56.3)

1.1

1.0–1.2

Age Group (years)

 18–27

516 (10.5)

204 (7.6)

0.9

0.7–1.1

 28–37

745 (15.1)

364 (13.6)

1.1

0.9–1.3

 38–47

590 (12.0)

347 (13.0)

1.3

1.1–1.5

 48–57

299 (6.1)

251 (9.4)

1.8

1.5–2.2

 58–67

373 (7.6)

359 (13.4)

2.1

1.7–2.4

 68–77

545 (11.1)

398 (14.9)

1.6

1.3–1.9

 78–87

1323 (26.9)

620 (23.1)

1

 88+

537 (10.9)

137 (5.1)

0.5

0.4–0.7

Townsend Deprivation Index

 Quintile 1 (Least deprived)

925 (18.8)

576 (21.5)

0.9

0.8–1.1

 Quintile 2

944 (19.2)

631 (23.5)

1

 Quintile 3

939 (19.1)

548 (20.5)

0.9

0.8–1.0

 Quintile 4

1009 (20.5)

482 (18.0)

0.8

0.6–0.9

 Quintile 5 (Most deprived)

1111 (22.5)

443 (16.5)

0.6

0.5–0.7

  1. aOdds ratio (OR) for participation and 95% Confidence Interval (CI), adjusted for all other factors in the table