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. 2010 Feb 27;10:104. doi: 10.1186/1471-2458-10-104

Table 4.

Crude association between functional dependency and type of social network, general characteristics, lifestyle and medical history of older adults (Bivariate analysis)

Independent n = 2873 Dependent n = 475 Crude Prevalence ratio Confidence interval at 95%
I. Type of social network % %
Diverse with community participation 90.1 9.9 1.0
Diverse without community participation 88.6 11.4 1.2 0.8 - 1.6
Widowed 82.0 18.0 1.8 1.3 - 2.5
Nonfriends-restricted 80.4 19.6 1.9 1.3 - 2.9
Nonfamily-restricted 82.8 17.2 1.7 1.1 - 2.7
II. General characteristics
Sex
Men 88.1 11.9 1.0
Women 83.8 16.3 1.4 1.2 - 1.6
Age
<75 years 90.0 10.0 1.0
75 years or more 90.0 10.0 1.0 1.9 - 2.7
Schooling, years, mean (SD) 3.0 (2.2) 2.5 (2.2) 0.9 0.8 - 0.9
State of residence*
Central 81.7 18.3 1.0
South 88.0 12.0 0.6 0.5 - 0.8
West 85.8 14.2 0.8 0.6 - 0.9
North 86.8 13.2 0.7 0-5 - 0.9
III. Lifestyle
Physical activity
Regular 93.4 6.6 1.0
Irregular and physical inactivity 82.3 17.7 2.7 2.1 - 3.4
Diet
Healthy diet 87.3 12.7 1.0
Unhealthy diet 81.2 18.8 1.5 1.2 -1.8
Smoking
No 85.0 15.0 1.0
Yes 87.1 12.9 0.9 0.7 -1.0
IV. Self-rated health
Positive 93.6 6.4 1.0
Negative 81.5 18.5 2.9 2.3 - 3.6
V. Medical history
Number of chronic diseases, mean (SD) 1.2 (1.1) 1.9 (1.2) 1.4 1.4 - 1.5
Depression
Absent 89.9 10.1 1.0
Probable depression 74.1 25.9 2.6 2.1 - 3.1
Established depression 57.6 42.4 4.2 3.4 - 5.2