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Table 3 Gender differences in test-retest reliability for frequency MVPA totals for Sunday and Mon-Fri, Sat & Sun

From: Reliability of the modified child and adolescent physical activity and nutrition survey, physical activity (CAPANS-PA) questionnaire among chinese-australian youth

Total MVPA b Sunday

Total MVPA b Mon-Fri, Sat & Sun

 

N

Baselined bouts (SD)

Post-testing boutsd (SD)

Differencec D(95%: CI)

ICCa (95%: CI)

N

Baseline boutsd(SD)

Post-testing boutsd (SD)

Differencec D(95%: CI)

ICCa (95%: CI)

All

32

2.8 (7.2)

2.4 (1.7)

0.4 (-2.00-2.81)

.19 (-.16-.50)

76

23.4 (17.7)*

21.5 (15.3)

1.9 (.01-3.91)

.86**(.79-.91)

Male

15

1.4 (1.9)

2.2 (1.6)

-0.8 (-1.87-.27)

.35 (-.16-.72)

37

24.8 (14.2)*

21.2 (11.9)

3.6 (.08-7.11)

.65** .42-.81)

Female

17

4.0 (9.6)

2.5 (1.8)

1.5 (-3.14-6.08)

.18 (-.31-.59)

39

22.1 (20.5)

21.7 (18.0)

0.4 (-1.48-2.30)

.96** (.92-.98)

  1. a Intra-class correlation and 95% confidence interval; b = moderate to vigorous physical activity participation; *p < .05, **p < 0.01, N = number of respondents for the question item; c mean difference from baseline to post-testing using paired sample t-tests; d mean bouts and significance
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BMC Medical Research Methodology

ISSN: 1471-2288

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