Table 3

Logistic regression model relating groups of variables and PCS

PCS

O.R

95.0% C.I.

Lower

Upper


SOCIO-DEMOGRAPHIC VARIABLES

Age

60–74

1

75+

0.510**

0.479

0.543

Gender

male

1

female

0.868

0.746

1.009

CULTURAL-ECONOMICS VARIABLES

Self-assessment of household income

good

1

adequate

0.791*

0.660

0.947

inadequate

0.579**

0.481

0.697

absolutely inadequate

0.507**

0.397

0.649

Educational level

university

1

no formal education

0.409**

0.339

0.493

primary

0.550**

0.459

0.659

secondary

0.809*

0.664

0.986

LIFESTYLE

Regular physical activities

yes

1

no

0.767**

0.716

0.821

Tobacco use

non-smoker

1

smoker

1.131*

1.036

1.236

former smoker

1.026

0.955

1.101

SOCIAL NETWORK

Living alone

no

1

yes

1.279**

1.168

1.401

Marital status

married

1

unmarried

0.891*

0.821

0.967

Leisure time for spiritual activities in the last three months

yes

1

no

0.917

0.810

1.038

Leisure time for recreational activities in the last three months

yes

1

no

0.679**

0.629

0.733

Distance too long between own home and relatives' homes

no

1

yes

0.893*

0.834

0.957

Frequency of seeing/meeting friends

III terzile

1

I terzile

0.765**

0.707

0.828

II terzile

0.857**

0.807

0.911

Frequency of seeing/meeting family

III terzile

1

I terzile

0.965

0.900

1.034

II terzile

0.983

0.921

1.050

GEOGRAPHICAL AREA

Regional aggregate

North-West

1

North-East

0.966

0.889

1.049

Centre

0.909*

0.834

0.990

South

0.648**

0.598

0.703

Islands

0.683**

0.617

0.757

MEDICAL CONDITIONS AND HEALTH CARE SERVICES ACCESS/USE

Any disease in the last four weeks

no

1

yes

0.425**

0.402

0.450

Reduced autonomy because of chronic disease

no

1

yes, sometimes

0.248**

0.211

0.291

yes, often

0.149**

0.123

0.179

Medical consultation

no

1

yes

0.670**

0.596

0.753

Chronic medical condition

none

1

one chronic disease

0.523**

0.466

0.587

more than one chronic disease

0.273**

0.235

0.317

Drugs in the last two days

no

1

yes

0.375**

0.337

0.418

I don't know

0.666

0.289

1.537

INTERACTIONS

Leisure time for recreational activities in the last three months (yes) by gender (male)

1

Leisure time for recreational activities in the last three months (no) by gender (female

0.882

0.755

1.031

Reduced autonomy because of chronic disease (no)* gender (male)

1

Reduced autonomy because of chronic disease (yes, sometimes) by gender (female)

0.873

0.699

1.090

Reduced autonomy because of chronic disease (yes, often) by gender (female)

0.624*

0.470

0.829

Chronic medical condition (none) * medical consultation (no)

1

Chronic medical condition (one chronic disease) by medical consultation (yes)

0.953

0.821

1.106

Chronic medical condition (more than one chronic disease) by medical consultation (yes)

1.062

0.920

1.226

Chronic medical condition (none)*drugs in the last two days (no)

1

Chronic medical condition (one chronic disease)*drugs in the last two days (yes)

1.573**

1.361

1.819

Chronic medical condition (one chronic disease)*drugs in the last two days (I don't know)

0.588

0.160

2.167

Chronic medical condition (more than one chronic disease)*drugs in the last two days (yes)

1.663**

1.402

1.972

Chronic medical condition (more than one chronic disease)*drugs in the last two days (I don't know)

0.660

0.163

2.677


* p < 0.05; **p < 0.001

de Belvis et al. BMC Public Health 2008 8:348   doi:10.1186/1471-2458-8-348

Open Data