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. 2011 Aug 4;11:619. doi: 10.1186/1471-2458-11-619

Table 2.

Main and final multivariate logistic models for poor Self-Rated Health (good SRH = reference) with socio-demographic, socio-economic and disease- and lifestyle-related variables among age groups

15-29 years olda 30-49 years oldb 50-96 years oldc
Variables in main model 1 OR (95%CI) p Variables in main model 2 OR (95%CI) p Variables in main model 3 OR (95%CI) p
Sex Sex Health care use (last year)
Male 1 Male 1 No 1
Female 2.26 (1.04 to 4.92) 0.039 Female 2.18 (1.24 to 3.82) 0.007 Yes 2.1 (1.42 to 3.1) < 0.001
Health care use (last year) Education (years) Daily physical symptoms
No 1 Less than 12 years 1 No 1
Yes 1.99 (1.01 to 3.92) 0.047 More than 12 years 0.42 (0.23 to 0.77) 0.005 Yes 6.72 (2.06 to 21.91) 0.002
Disease status Health care use (last year) Disease status
Healthy 1 No 1 Healthy 1
One chronic disease 3.76 (1.74 to 8.11) 0.001 Yes 2.21 (1.26 to 3.9) 0.006 One chronic disease 2.17 (1.26 to 3.72) 0.005
Comorbidity 4.85 (1.87 to 12.56) 0.001 Disease status Comorbidity 8.09 (5.0 to 13.09) < 0.001
Healthy 1
One chronic disease 3.55 (1.74 to 7.25) 0.001
Comorbidity 10.07 (5.24 to 19.37) < 0.001
Model characteristics
R square (Nagelkerke) 0.098 0.252 0.255
Goodness of fit Test Sig. 0.767 0.311 0.887
(Hosmer and Lemeshow)
Final model (variables adjusted for model 1)d OR (95%CI) p Final model (variables adjusted for model 2)e OR (95%CI) p Final model (variables adjusted for model 3)f OR (95%CI) p
Exercise (> 1 hour/week) Smoking BMI categories
Yes 1 No 1 Normal 1
No 2.22 (1.14 to 4.33) 0.02 Past 3.23 (1.35 to 7.74) 0.009 Overweight 1.32 (0.9 to 1.93) 0.153
Light (≤ 20 cig.) 1.45 (0.8 to 2.62) 0.222 Obese 1.83 (1.19 to 2.81) 0.006
Heavy (> 20 cig.) 2.56 (1.29 to 5.05) 0.007 Sleep satisfaction
Sleep satisfaction Yes 1
Yes 1 No 2.54 (1.83 to 3.54) < 0.001
No 1.79 (1.1 to 2.92) 0.019
Model characteristics
R square (Nagelkerke) 0.12 0.28 0.30
Goodness of fit Test Sig. 0.757 0.709 0.116
(Hosmer and Lemeshow)

a Eliminated variables: marital status, education years, occupational status, health insurance agency, home surface, daily physical symptoms

b Eliminated variables: marital status, occupational status, health insurance agency, home surface, daily physical symptoms

c Eliminated variables: marital status, occupational status, health insurance agency

d Eliminated variables: smoking, alcohol, meat, vegetable, fruit, legume and fish consumption, BMI, sleep satisfaction, midday sleep, religiosity

e Eliminated variables: exercise, alcohol, meat, vegetable, fruit, legume and fish consumption, BMI, midday sleep, religiosity

f Eliminated variables: smoking, exercise, alcohol, meat, vegetable, fruit, legume and fish consumption, midday sleep, religiosity

1 = reference category

p < 0.05 for multivariate logistic regression analyses.