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Table 5 Construct Validity (linear regression analysis) for all participants of the APCAPS-PAQ (n = 2,321)

From: Development and evaluation of the Andhra Pradesh Children and Parent Study Physical Activity Questionnaire (APCAPS-PAQ): a cross-sectional study

 

BMI (kg/m2) (n = 2,319)

Body fat % (n = 2,286)

 

Model 1 β (95 % CI)

Model 2 β (95 % CI)

Model 1 β (95 % CI)

Model 2 β (95 % CI)

Total activitya

    

 Total MET 1

Ref

Ref

Ref

Ref

 Total MET 2

0.04 (-0.35, 0.42)

0.32 (-0.15, 0.79)

−0.26 (-0.79, 0.35)

−0.36 (-1.02, 0.29)

 Total MET 3

−0.33 (-0.70, 0.04)

0.27 (-0.38, 0.92)

−1.45** (-1.97, -0.92)

−0.89* (-1.79, 0.01)

Physical activity intensityb

   

 Sedentary activity 1

Ref

Ref

Ref

Ref

 Sedentary activity 2

−0.17 (-0.52, 0.19)

−0.08 (-0.49, 0.33)

0.35 (-0.16, 0.86)

0.28 (-0.27, 0.84)

 Sedentary activity 3

0.30 (-0.70, 0.67)

0.81* (0.22, 1.40)

0.78* (0.25, 1.30)

1.52** (0.68, 2.35)

 Light activity 1

Ref

Ref

Ref

Ref

 Light activity 2

0.15 (-0.23, 0.52)

0.51* (0.08, 0.89)

0.53* (-0.04, 0.98)

1.09** (0.46, 1.59)

 Light activity 3

0.33 (-0.04, 0.70)

0.97** (0.33, 1.38)

0.97** (0.02, 1.04)

1.86** (1.09, 2.61)

 MVPA activity 1

Ref

Ref

Ref

Ref

 MVPA activity 2

−0.32 (-0.74, 0.10)

−0.39 (-0.83, 0.11)

−0.18 (-0.76, 0.39)

−0.04 (-0.64, 0.57)

 MVPA activity 3

−0.61** (-1.02, -0.20)

−0.17 (-0.68, 0.34)

−1.58** (-2.17, -0.99)

−0.80* (-1.54, -0.05)

  1. Model 1: Adjusting for age and sex and clustering (sibling-pairs). Model 2: Adjusting for age, sex and other physical activity participation (sedentary, light, MVPA) and clustering (sib-pair)
  2. Sedentary activity = time spent in activities <1.5 MET; light activity = time spent in activities 1.5-3 METS; MVPA = time spent in activities >3 MET
  3. aCategories reflect increasing total activity (MET hr/day), with category 1 as baseline (least activity)
  4. bCategories reflect increasing time spent in specific activity intensity with category 1 as baseline (least time). p -values are from linear regression analyses * p < 0.05; ** p < 0.001