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Table 4 Regression coefficients and intercepts for the relationship between parameters of physical activity and central adiposity, adjusting for age and smoking status, total cohort & by sex (p-value)

From: Physical activity and central adiposity in a cohort of African-American adults

 

Intercept

β1

Activity Parameter

β2

Age

β3

Sex

β4

Smoking Status

SEE

R2

Total (n = 271)

 VAT (cm3)

  Activity Counts (ct/min)

484

(0.001)

−1.1

(0.001)

7.9

(0.02)

56.0

(0.25)

−69.7

(0.14)

348

0.13

  MVPA (min/d)

434

(0.003)

−4.0

(0.001)

7.1

(0.03)

49.4

(0.32)

−65.2

(0.17)

351

0.11

  Vigorous PA (min/d)

311

(0.03)

−15.5

(0.003)

8.7

(0.01)

83.4

(0.09)

−84.4

(0.08)

355

0.09

 SAT (cm3)

  Activity Counts (ct/min)

1701

(0.001)

−2.2

(0.001)

5.8

(0.51)

956

(0.001)

−325

(0.009)

932

0.32

  MVPA (min/d)

1630

(0.001)

−9.1

(0.001)

3.9

(0.66)

928

(0.001)

−311

(0.01)

932

0.32

  Vigorous PA (min/d)

1351

(0.001)

−37.6

(0.007)

7.5

(0.39)

1003

(0.001)

−355

(0.005)

940

0.31

 Waist Circumference (cm)

  Activity Counts (ct/min)

98.8

(0.001)

−0.05

(0.001)

0.28

(0.13)

1.95

(0.47)

−2.89

(0.27)

19.6

0.07

  MVPA (min/d)

97.1

(0.001)

−0.18

(0.001)

0.24

(0.19)

1.51

(0.58)

−2.63

(0.31)

19.7

0.07

  Vigorous PA (min/d)

91.8

(0.001)

−0.83

(0.004)

0.32

(0.09)

2.81

(0.29)

−3.48

(0.18)

19.7

0.6

Women (n = 161)

 VAT (cm3)

  Activity Counts (ct/min)

506

(0.004)

−1.4

(0.001)

9.6

(0.03)

–

−6.6

(0.92)

355

0.09

  MVPA (min/d)

429

(0.01)

−7.8

(0.001)

9.4

(0.03)

–

0.23

(0.99)

354

0.09

  Vigorous PA (min/d)

431

(0.01)

−39.6

(0.001)

7.9

(0.07)

–

−17.0

(0.79)

356

0.08

 SAT (cm3)

  Activity Counts (ct/min)

2645

(0.001)

−2.0

(0.07)

4.8

(0.67)

–

−257

(0.12)

898

0.04

  MVPA (min/d)

2551

(0.001)

−13.4

(0.02)

5.0

(0.65)

–

−241

(0.14)

890

0.05

  Vigorous PA (min/d)

2566

(0.001)

−79.8

(0.009)

2.5

(0.82)

–

−270

(0.09)

888

0.06

 Waist Circumference (cm)

  Activity Counts (ct/min)

99.8

(0.001)

−0.05

(0.04)

0.29

(0.23)

–

0.35

(0.92)

19.5

0.03

  MVPA (min/d)

97.3

(0.001)

−0.30

(0.01)

0.29

(0.22)

–

0.67

(0.84)

19.4

0.04

  Vigorous PA (min/d)

97.5

(0.001)

−1.64

(0.01)

0.23

(0.33)

–

0.03

(0.99)

19.4

0.04

Men (n = 110)

 VAT (cm3)

  Activity Counts (ct/min)

535

(0.01)

−0.88

(0.003)

7.0

(0.17)

–

−146

(0.03)

339

0.15

  MVPA (min/d)

478

(0.03)

−2.9

(0.01)

6.4

(0.22)

–

−141

(0.04)

343

0.13

  Vigorous PA (min/d)

295

(0.15)

−10.0

(0.08)

10.0

(0.05)

–

−168

(0.02)

349

0.10

 SAT (cm3)

  Activity Counts (ct/min)

1717

(0.01)

−2.3

(0.01)

7.1

(0.63)

–

−410

(0.04)

996

0.11

  MVPA (min/d)

1582

(0.01)

−7.8

(0.02)

5.4

(0.72)

–

−395

(0.05)

1004

0.10

  Vigorous PA (min/d)

1096

(0.07)

−28.3

(0.09)

15.0

(0.31)

–

−467

(0.02)

1016

0.08

 Waist Circumference (cm)

  Activity Counts (ct/min)

99.1

(0.001)

−0.04

(0.02)

0.32

(0.28)

–

−6.8

(0.09)

20.0

0.10

  MVPA (min/d)

96.4

(0.001)

−0.14

(0.04)

0.29

(0.34)

–

−6.6

(0.10)

20.1

0.09

  Vigorous PA (min/d)

87.9

(0.001)

−0.64

(0.05)

0.47

(0.11)

–

−7.9

(0.05)

20.2

0.08