Skip to main content

Table 2 Predictors of the difference between AAS-reported and accelerometer-recorded daily minutes of MVPA

From: Validity and bias on the online active Australia survey: activity level and participant factors associated with self-report bias

Variables

Model 1

Model 2

Model 3

B (SE)

β

B (SE)

β

B (SE)

β

Intercept

−3.88 (2.22)

 

3.54 (6.24)

 

5.86 (6.07)

 

Accelerometer MVPA min/day

−0.75 (0.05)**

−0.66**

−0.75 (0.05)**

−0.66**

−0.79 (0.05)**

−0.69**

Age

  

0.38 (0.18)*

0.09*

0.24 (0.18)

0.05

Female

  

−6.92 (4.76)

−0.14

−6.54 (4.66)

−0.13

TAFEa

  

0.31 (6.54)

0.01

−1.54 (6.41)

−0.03

University degreea

  

−4.20 (6.10)

−0.08

−7.60 (5.98)

−0.15

BMI

    

−0.10 (0.33)

−0.01

Physical health QoL

    

0.26 (0.25)

0.05

Mental health QoL

    

0.89 (0.20)**

0.18**

Intercept variance

101.68 (83.04)

 

86.59 (82.45)

 

10.48 (74.84)

 

Residual

1360.54 (125.57)

 

1346.04 (125.49)

 

1342.73 (126.40)

 

-2LL

3481.40

 

3454.60

 

3426.39

 

AIC

3489.40

 

3470.60

 

3448.39

 

BIC

3504.76

 

3501.28

 

3490.54

 
  1. MVPA Moderate-to-vigorous physical activity, AAS Active Australia Survey, TAFE Technical or further education institutions, BMI body mass index, QoL Quality of life, LL log likelihood, AIC Akaike Information Criteria, BIC Bayesian Information Criteria
  2. aHigh school as the reference category
  3. *p < .05, **p < .001