Higher Levels and Intensity of Physical Activity Are Associated with Reduced Mortality among Community Dwelling Older People
Table 3
Characteristics of the study participants by tertile of total duration of PA (min/wk).
PA total
Tertile 1 313
Tertile 2 302
Tertile 3 331
value ( trend)
Cutoffs (min of PA/wk)
<370
371, 802
805, 3644
Median
180
560
1136
Mean
173
567
1312
Age (mean)
79.68
79.20
78.72
.002
Men (%)
45.9
45.8
44.4
.73
BMI (kg/m2)
19.5
13.7
17.9
.71
Lowest fifth (%)
LDL (mean)1
4.51 ± 1.5
4.58 ± 1.6
4.74 ± 1.5
.18
HDL (mean)1
.07
Systolic blood pressure2
148.47 ± 32
145.99 ± 29
150.56 ± 30
.42
Diastolic blood pressure2
73.97 ± 18
74.77 ± 18
75.40 ± 16
.25
Carstairs (1,5%)3
17.0, 15.9
26.0, 7.6
24.1, 5.0
.006
Single (%)
5.5
8.7
6.0
.98
Home owner (%)
53.7
69.3
74.7
<.001
Lives alone (%)
47.2
47.7
43.6
.58
Current smoker (%)
12.4
6.5
8.0
.16
Emphysema (%)
2.4
1.8
1.2
.19
Cancer (%)4
8.1
9.7
7.5
.75
Diabetes (%)
8.5
6.0
3.9
.039
CVD5
32.5
23.3
16.4
<.001
Hip fracture (%)
3.5
1.3
0.9
.059
Recent weight loss (%)
3.8
2.7
1.0
.026
MMSE score <12/<176
3.5
0.8
0.9
.030
GDS score >57
13.0
4.1
4.3
<.001
Unable to do >1 ADL8
35.3
14.2
5.3
<.001
Medication (%)
89.8
83.1
71.3
<.001
1. 2 of average of 2 readings while sitting. 3Carstairs deprivation index, quintiles 1&5. 4Excluding skin cancer. 5History of heart attack, stroke, or angina. 6MimiMental State Examination (MMSE) <12 if language section could not be completed, otherwise <17. 715 item Geriatric Depression Score (MMSE). 8ADL: Activities of Daily Living.
