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Table 6 Longitudinal modeling of MOD+PA level using generalized estimating equation

From: A RCT to evaluate a totally automated, culturally-adapted telephone counselor for increasing physical activity among physically inactive individuals in China

 

Non-interaction model

Interaction model

β

95% CI

p-value

β

95% CI

p-value

TLC-PA-China

55.28

(41.482, 69.087)

< 0.001

12.73

(5.105, 20.347)

0.001

Time (months)

12.74

(10.207, 15.276)

< 0.001

5.35

(2.792, 7.899)

< 0.001

TLC-PA-China*Time

–

–

–

14.21

(9.596, 18.826)

< 0.001

Baseline MOD+PA

0.76

(0.568, 0.949)

< 0.001

0.76

(0.567, 0.974)

< 0.001

Gender

11.90

(−3.271, 27.070)

NS

11.79

(−3.370, 26.957)

NS

Age

0.484

(−0.571, 1.540)

NS

0.489

(−0.566, 1.545)

NS

  1. Study was conducted at Shenzhen, China between July and August 2009
  2. NS: Not significant at α = 0.05
  3. Note Results are estimated for a linear outcome and exchangeable working correlations
  4. The asterisks indicate which variables are involved in the interaction
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BMC Public Health

ISSN: 1471-2458

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