Table 3 |
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Characteristics associated with motivational readiness to change physical activity level (n = 3940) |
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Final multivariate adjusted ordinal logistic model for stage of change |
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|
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Probability of readiness to change at reference levels of independent covariates (95%CI): |
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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%) |
|
|
|
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|
Independent covariates |
Adjusted POR (95% CI) |
p-value |
|
|
||
|
Agea |
<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 |
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|
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) |
* |
|
|
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|
a Effect of Age + Age2 estimated at age intervals' midpoints. * P-value for the interaction between Obesity and Hypertension = 0.038 |
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|
Grandes et al. BMC Public Health 2008 8:172 doi:10.1186/1471-2458-8-172 |
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