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Table 5 Correlations between physical activity estimates from the Baecke questionnaire and IPAQ-SF for rural and urban participants

From: Measurement of physical activity in urban and rural South African adults: a comparison of two self-report methods

Variable Rural participants (n = 530) Urban participants (380)
R ICC 95 % CI R ICC 95 % CI
Baecke vs IPAQ total PA
 Work index 0.59** 0.67 0.61, 0.72 0.40** 0.49 0.38, 0.59
 Walking index 0.27** 0.40 0.29, 0.49 0.24** 0.38 0.25, 0.49
 Leisure index 0.15** 0.16 −0.01, 0.28 0.12* 0.15 −0.04, 0.31
 Sport index 0.07 0.03 −0.05, 0.12 0.14** 0.11 0.01, 0.21
 Total PA index 0.61** 0.45 0.35, 0.54 0.44** 0.39 0.26, 0.50
Baecke vs IPAQ MVPA
 Work index 0.61** 0.48 0.39, 0.56 0.57** 0.40 0.26, 0.51
 Walking index 0.21** 0.24 0.10, 0.36 0.19** 0.22 0.05, 0.37
 Leisure index 0.14** 0.08 −0.09, 0.23 0.13** 0.08 −0.13, 0.25
 Sport index 0.08 0.04 −0.14, 0.19 0.13** 0.11 −0.09, 0.27
 Total PA index 0.61** 0.37 0.24, 0.49 0.57** 0.36 0.19, 0.48
Baecke vs IPAQ walking
 Work index 0.45** 0.51 0.42, 0.59 0.21** 0.29 0.13, 0.42
 Walking index 0.18** 0.28 0.14, 0.39 0.21** 0.34 0.19, 0.46
 Leisure index 0.05 0.08 −0.09, 0.22 0.11* 0.10 −0.11, 0.26
 Sport index 0.08 0.04 −0.14, 0.19 0.08 0.16 −0.03, 0.31
 Total PA index 0.44** 0.32 0.19, 0.42 0.28 0.25 0.09, 0.39
Baecke vs IPAQ sedentary
 Work index −0.44** −0.53 −0.59, −0.46 −0.42** −0.47 −0.55, −0.39
 Walking index −0.30** −0.24 −0.32, −0.16 −0.25** −0.20 −0.29, −0.10
 Leisure index −0.15** −0.15 −0.24, −0.05 −0.25** −0.20 −0.28, −0.12
 Sport index −0.21** −0.24 −0.34, −0.15 −0.15** −0.14 −0.23, −0.06
 Total PA index −0.56** −0.53 −0.59, −0.46 −0.50** −0.47 −0.55, −0.39
  1. r Pearson correlation coefficients, MVPA moderate-to-vigorous physical activity, PA physical activity, CI confidence interval
  2. *P- value significant at <0.05
  3. **P value significant at <0.01
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