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. Author manuscript; available in PMC: 2014 Nov 9.
Published in final edited form as: Am J Health Promot. 2013 Mar-Apr;27(4):211–221. doi: 10.4278/ajhp.110624-QUAN-264

Table 4.

Marginal Effects1 for Risk and Time Preferences according to Physical Activity Stage of Change

Stages of
change
category
Model 1
ME (95% CI)
Model 2
ME (95% CI)
Risk Time Risk Time
Precontemplation −0.031* −0.06* −0.026* −0.057*
(−0.057 – −0.005) (−0.114 – −0.006) (−0.052 – −0.001) (−0.112 – −0.002)
Contemplation −0.006** −0.012** −0.005** −0.012**
(−0.012 – 0) (−0.025 – 0.001) (−0.011 – 0.001) (−0.024 – 0.001)
Preparation −0.018** −0.034* −0.016** −0.034*
(−0.032 – −0.003) (−0.064 – −0.003) (−0.03 – −0.001) (−0.066 – −0.002)
Action −0.002** −0.003** −0.002** −0.004**
(−0.006 – 0.003) (−0.012 – 0.006) (−0.006 – 0.002) (−0.014 – 0.005)
Maintenance 0.056* 0.109* 0.049* 0.107*
(0.013 – 0.1) (0.016 – 0.201) (0.005 – 0.094) (0.011 – 0.204)
***

p<0.001

**

p<0.01

*

p<0.05

+

p<0.10

1

Marginal effects are calculated based on the models presented in Table 3.