Table 3 Logistic regression: Associations between age group and substantial difficulty with physical activities

Stooping, crouching or kneeling

  n (%)

54 (65.1)

152 (64.4)

147 (71)

 OR

n.a.

0.97

1.31

 95 % CI

n.a.

(0.58–1.64)

(0.77–2.26)

Lifting or carrying objects as heavy as 10 lb (4.5 kg)

  n (%)

34 (41)

121 (51.3)

127 (61.4)

 OR

n.a.

1.51

2.29*

 95 % CI

n.a.

(0.91–2.52)

(1.36–3.85)

Reaching or extending arms above shoulder level

  n (%)

18 (21.7)

58 (24.6)

53 (25.6)

 OR

n.a.

1.18

1.24

 95 % CI

n.a.

(0.65–2.15)

(0.68–2.28)

Writing or grasping small objects

  n (%)

12 (14.5)

35 (14.8)

35 (16.9)

 OR

n.a.

1.05

1.22

 95 % CI

n.a.

(0.51–2.13)

(0.60–2.48)

Walking a quarter of a mile (400 m)

  n (%)

44 (53)

151 (64)

127 (61.4)

 OR

n.a.

1.59

1.42

 95 % CI

n.a.

(0.95–2.65)

(0.85–2.39)

Heavy housework such as scrubbing floors or washing windows

  n (%)

55 (66.3

177 (75)

177 (85.5)

 OR

n.a.

1.50

3.1**

 95 % CI

n.a.

(0.87–2.59)

(1.69–5.71)