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Table 4 Reduced linear multiple regression of predictors of OPQOL

From: Psychological approach to successful ageing predicts future quality of life in older adults

Independent predictor variables

Unstandardised B

Standardised Beta

95% confidence interval

(2-tailed t-test)

P =

Block 1:

R2 change 0.311, p = 0.0001

     

Baseline approaches to successful ageing

     

SA biological (health) (n. chronic conditions, ADL, GHQ-12 score)

0.039

0.053

1.273-3.352

(0.888)

0.376

SA psychological (for this regression self-efficacy and optimism only - minus GHQ items on self-worth and confidence as GHQ-12 included in biological model)

3.562

0.177

1.530-5.593

(3.462)

0.001

SA social (n. different social activities, n. areas supported in, face to face contact score)

1.155

0.066

-0.759-3.069

(1.192)

0.235

Block 2:

R 2 change 0.304, p = 0.0001

     

Follow-up health and social circumstances:

     

Self-rated health status, compared to others of same age

0.055

0.160

0.012-0.099

(2.529)

0.012

Physical functioning (activities of daily living/mobility score)

-0.011

-0.078

0.034-0.110

(-1.019)

0.310

Number of people can turn to for comfort/support

0.654

0.176

0.288-1.020

(3.525)

0.001

Number of social activities

0.013

0.169

0.003-0.024

(2.474)

0.014

Self-efficacy - problem solving

2.165

0.090

-0.384 - -4.714

(1.677)

0.095

Self-rated active ageing

-4.443

-0.313

-6.513 - -2.373

(-4.238)

0.001

Block 3:

R2 change 0.012, p = 0.397 ns

     

Age

0.170

0.049

 

-0.212-0.552

(0.878)

0.381

Sex

0.261

0.009

 

-2.920-3.410

(0.878)

0.381

NS-SEC

-0.718

-0.095

 

1.481-0.045

(-1.857)

0.065

Housing tenure (follow-up)

0.887

0.038

 

-1.411-3.185

(0.762)

0.447

Marital status (follow-up)

-0.107

-0.008

 

-1.420-1.206

(0.161)

0.872

Constant

93.794

    

R 2

0.627

    

Adjusted R2

0.595

    

Anova F statistic; p =

19.700; 0.0001

    
  1. Reduced model: significant variables only, with control variables, re-entered)
  2. + Baseline approaches to successful ageing with follow-up health and psychosocial variables, controlling for socio-demographic/economic characteristics (full model)