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Table 2 International physical activity questionnaire: 12-country reliability and validity

From: Baseline predictors of maintenance of intervention-induced changes in physical activity and sitting time among diabetic and pre-diabetic patients: a descriptive case series

 

N

Median (Range) T0

Median (Range) T1a

% Increased time spent in activityb

Total vigorous-intensity PA time (min/day)

97

0.00 (0.00-48.85)

0.00 (0.00-161.14)*

40.2

Total moderate-intensity PA time (min/day)

86

12.85 (0.00-106.29)

17.14 (0.00-233.57)

48.8

Total walking time (min/day)

85

17.14 (0.00-60.00)

28.57 (0.00-180.00)*

62.4

Total sitting time (min/day)

76

360.00 (0.00-720.00)

360.00 (120.00-720.00)

42.1

Outcome expectancies (1–5)c

119

3.91 (3.00-5.00)

  

Attitude (1–5)c

119

3.83 (3.00-5.00)

  

Self-efficacy (1–5)c

119

4.00 (3.00-5.00)

  

Subjective Norm (1–5)c

119

3.33 (1.00-5.00)

  
  1. a Wilcoxon’s signed-rank test comparing scores at T0 and T1 * P < 0.001.
  2. b % of respondents of whom the Δ T1-T0 scores was > 0.
  3. c Score of 3 is a neutral score, a score > 3 is a positive score and a score < 3 is a negative score.