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Table 4 Multivariable regression results for outcome changes a predicted by steps/day indicators: HUB City Steps, Mississippi, 2010

From: Several steps/day indicators predict changes in anthropometric outcomes: HUB City Steps

  

Datasetb

 
  

Full

Truncated

Excluded

 

Outcome

Steps/Day Indicator

βc

P

βc

P

βc

P

Covariatesd,e

Waist circumference

Change in mean steps/dayf

−0.33

0.0476

−0.38

0.0419

−0.45

0.0296

BMI, BV

 

Change in median steps/dayf

−0.33

0.0269

−0.33

0.0283

−0.45

0.0123

BMI, BV

Body mass index

Met 10,000 steps/dayg

−1.05

0.0017

−1.05

0.0017

−1.04

0.0017

Age, BV

 

Change in mean steps/dayf

−0.11

<0.0001

−0.12

<0.0001

−0.13

<0.0001

Age, BV

 

Change in median steps/dayf

−0.10

<0.0001

−0.10

<0.0001

−0.12

<0.0001

Age, BV

 

Change in 6-category SD-PAf

−0.27

0.0009

−0.28

0.0006

−0.34

0.0001

Age, BV

 

Change in 4-category SD-PAf

−0.29

0.0020

−0.29

0.0018

−0.34

0.0005

Age, BV

% Body fat

Mean steps/day

−0.15

0.0004

−0.16

0.0006

−0.17

0.0078

Age, sex, BV

 

Median steps/day

−0.14

0.0006

−0.14

0.0007

−0.15

0.0084

Age, sex, BV

 

Met 10,000 steps/dayg

−2.23

0.0007

−2.23

0.0007

−2.25

0.0006

Age, sex, BV

 

Change in mean steps/dayf

−0.21

0.0001

−0.22

0.0002

−0.23

0.0004

Age, sex, fitness, BV

 

Change in median steps/dayf

−0.15

0.0016

−0.17

0.0005

−0.20

0.0006

Age, sex, fitness, BV

 

Change in 6-category SD-PAf

−0.56

0.0005

−0.57

0.0004

−0.64

0.0002

Age, sex, fitness, BV

 

Change in 4-category SD-PAf

−0.53

0.0036

−0.55

0.0029

−0.70

0.0007

Age, sex, income, fitness, BV

Fat mass

Change in mean steps/dayf

−0.29

<0.0001

−0.32

<0.0001

−0.35

<0.0001

Age, sex, BV

 

Change in median steps/dayf

−0.25

<0.0001

−0.25

0.0001

−0.30

<0.0001

Age, sex, BV

 

Change in 6-category SD-PAf

−0.88

<0.0001

−0.90

<0.0001

−1.02

<0.0001

Age, sex, BV

 

Change in 4-category SD-PAf

−0.90

0.0002

−0.91

0.0001

−1.05

<0.0001

Age, sex, BV

Total cholesterol

Mean steps/day

 

NS

 

NS

 

NS

BV

 

Median steps/day

 

NS

 

NS

 

NS

BV

 

Met 7,500 steps/dayg

 

NS

 

NS

 

NS

BV

 

Met 10,000 steps/dayg

 

NS

 

NS

 

NS

BV

Triglycerides

Met 7,500 steps/dayg

 

NS

 

NS

 

NS

Fitness, BV

 

Met 10,000 steps/dayg

 

NS

 

NS

 

NS

Fitness, BV

Glucose

Met 7,500 steps/dayg

 

NS

 

NS

 

NS

DX, fitness, BV

  1. BV, baseline value of corresponding outcome variable; SD-PA, step-defined physical activity; NS, not significant at the 0.05 level; DX = diagnosis for relevant condition (high cholesterol, high blood glucose).
  2. a Change = baseline subtracted from six-month follow-up.
  3. b Full included all steps/day values; truncated included all values with those < 500 recorded as 500 steps/day and those > 30,000 recorded as 30,000 steps/day; excluded included only values between 500 and 30,000 steps/day.
  4. c Continuous variable coefficient per 1,000 steps.
  5. d Included age (years), sex, marital status (married or not married), education (less than high school, high school/GED, some college/technical), income (continuous as 12 categories), current smoker, BMI, DX, fitness (baseline value for 6-minute walk test), compliance (proportion of daily step logs completed), and baseline outcome value.
  6. e For all significant outcome models: age, sex (decrease larger for males), fitness, and baseline outcome values had negative associations; income and baseline BMI values had positive associations.
  7. f Change between intervention weeks 1 and 2 and remaining intervention weeks (3–27). Positive change indicates an increase during intervention
  8. g Percentage of values which met at least 7,500 or 10,000 steps/day.
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BMC Public Health

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