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Table 4 Correlations between physical activity estimates from the Baecke Questionnaire and IPAQ-SF for Overall Sample and by Gender

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

Variables All (N = 910) Men (n = 276) Women (n = 643)
  R ICC 95 % CI r ICC 95 % CI r ICC 95 % CI
Baecke vs IPAQ total PA
 Work index 0.54** 0.62 0.57, 0.66 0.63** 0.73 0.66, 0.79 0.49** 0.53 0.46, 0.60
 Walking index 0.25** 0.39 0.31, 0.47 0.29** 0.44 0.29, 0.56 0.22** 0.34 0.23, 0.43
 Leisure index 0.14** 0.15 0.03, 0.25 0.21** 0.21 −0.01, 0.37 0.10* 0.10 −0.06, 0.23
 Sport index 0.11** 0.07 0.01, 0.13 0.14** 0.10 −0.17, 0.22 0.07 0.04 −0.04, 0.12
 Total PA index 0.55** 0.43 0.35, 0.50 0.62** 0.53 0.41, 0.63 0.50** 0.35 0.24, 0.41
Baecke vs IPAQ MVPA
 Work index 0.59** 0.46 0.37, 0.51 0.71** 0.57 0.45, 0.66 0.50** 0.35 0.24, 0.44
 Walking index 0.20** 0.23 0.12, 0.32 0.29** 0.32 −0.13, 0.46 0.15** 0.17 0.03, 0.29
 Leisure index 0.13** 0.10 −0.05, 0.19 0.30** 0.15 −0.07, 0.33 0.05 0.03 −0.13, 0.17
 Sport index 0.11** 0.10 −0.06, 0.19 0.16** 0.15 −0.12, 0.30 0.08 0.05 −0.12, 0.18
 Total PA index 0.60** 0.36 0.26, 0.45 0.73** 0.46 0.29, 0.59 0.49** 0.29 0.15, 0.40
Baecke vs IPAQ walking
 Work index 0.38** 0.46 0.38, 0.52 0.43** 0.55 0.42, 0.64 0.36** 0.40 0.30, 0.49
 Walking index 0.19** 0.30 0.20, 0.38 0.22** 0.34 0.17, 0.48 0.16** 0.25 0.13, 0.36
 Leisure index 0.10* 0.10 −0.05, 0.19 0.11 0.11 −0.14, 0.29 0.06 0.06 −0.10, 0.19
 Sport index 0.08* 0.09 −0.03, 0.20 0.10 0.14 −0.09, 0.32 0.05 0.05 −0.10, 0.18
 Total PA index 0.38** 0.30 0.20, 0.38 0.42** 0.37 0.21, 0.51 0.37** 0.24 0.12, 0.35
Baecke vs IPAQ sedentary
 Work index −0.42** −0.40 −0.45, −0.34 −0.52** −0.63 −0.69, −0.55 −0.33** −0.38 −0.44, −0.31
 Walking index −0.28** −0.22 -.028, −0.16 −0.43** −0.33 −0.43, −0.22 −0.17** −0.14 −0.22, −0.06
 Leisure index −0.18** −0.18 −0.24, −0.12 −0.25** −0.27 −0.38, −0.16 −0.13** −0.12 −0.20, −0.05
 Sport index −0.18** −0.18 −0.25, −0.12 −0.28** −0.25 −0.35, −0.16 −0.13** −0.13 −0.20, −006
 Total PA index −0.52** −0.51 −0.55, −0.46 −0.64** −0.63 −0.69, −0.55 −0.42** −0.58 −0.44, −0.31
  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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