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Table 3 Characteristics associated with motivational readiness to change physical activity level (n = 3940)

From: Targeting physical activity promotion in general practice: Characteristics of inactive patients and willingness to change

Final multivariate adjusted ordinal logistic model for stage of change

Probability of readiness to change at reference levels of independent covariates (95%CI):

Contemplation to action stage

31.8% (22.8% to 42.4%)

 

Preparation or action stage:

7.5% (4.9% to 11.4%)

 

Action stage:

0.7% (0.4% to 1.1%)

 

Independent covariates

Adjusted POR (95% CI)

p-value

Age a

 

<0.001

   70 to 80

1.00

 

   60 to 69

1.97 (1.53 to 2.53)a

 

   50 to 59

2.65 (1.86 to 3.77)a

 

   40 to 49

3.17 (2.12 to 4.73)a

 

   30 to 39

3.35 (2.22 to 5.05)a

 

   20 to 29

3.14 (2.10 to 4.69)a

 

Work Status

 

0.033

   Works out of home

1.00

 

   Student

1.36 (0.89 to 2.09)

 

   Homemaker

1.31 (1.10 to 1.55)

 

   Retired

1.26 (1.00 to 1.60)

 

   Unemployed

1.20 (0.92 to 1.59)

 

   Other

1.15 (0.80 to 1.65)

 

Education Level

 

0.003

   None

1.00

 

   Elementary School

1.34 (1.02 to 1.77)

 

   Middle or High School

1.61 (1.20 to 2.17)

 

   University studies

1.87 (1.32 to 2.65)

 

Social Class

 

<0.001

   IV–V, Manual worker

1.00

 

   III, Intermediate employee

1.32 (1.15 to 1.52)

 

   II, Manager small company

1.17 (0.93 to 1.46)

 

   I, Manager large company

1.52 (1.15 to 2.00)

 

Risk Factors

  

   Obesity

1.22 (1.03 to 1.45)

0.02

   Hypertension

1.23 (1.01 to 1.50)

0.04

   Obesity plus Hypertension

1.10 (0.90 to 1.35)

*

  1. a Effect of Age + Age2 estimated at age intervals' midpoints.
  2. * P-value for the interaction between Obesity and Hypertension = 0.038