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Table 2 Reliability estimates for the GPAQ: Intraclass and Spearman's correlation across two visits in the 2nd trimester (n= 92) and 3rd trimester (n= 84) of pregnancy

From: Reliability and validity of a Global Physical Activity Questionnaire adapted for use among pregnant women in Nepal

PA Measure

2nd trimester

3rd trimester

1st visit

(Mean ± SD)

2nd visit

(Mean ± SD)

ICC (95%CI)

Spearman’s Rho (95%CI)

1st visit

(Mean ± SD)

2nd visit

(Mean ± SD)

ICC (95%CI)

Spearman’s Rho (95%CI)

Work-related Moderate PA (min/week)

167.8± 115.9

135.9 ±98.9

0.67 (0.50, 0.78)**

0.59 (0.38, 0.74)**

113.9 ±95.9

123.4 ±125.1

0.62 (0.41, 0.76)**

0.62 (0.44, 0.76)**

aTravel-related PA

(min/week)

132.6± 108.4

134.8 ±110.1

0.45 (0.17, 0.64)*

0.35 (0.14, 0.54)*

125.8 ±98.2

114.9 ± 97.5

0.69 (0.51, 0.80)**

0.49 (0.28, 0.67)**

Sedentary Behavior (min/day)

133.7± 71.8

119.6 ±59.8

0.64 (0.46, 0.76)**

0.50 (0.31, 0.66)**

103.5 ± 48.2

99.4 ± 37.5

0.48 (0.19, 0.67)*

0.36 (0.13, 0.55)*

Total MVPA (min/week)

300.3± 144.2

270.8±147.6

0.55 (0.32, 0.70)**

0.45 (0.25, 0.61)**

241.6 ±131.5

238.3 ± 146.2

0.62 (0.40, 0.75)**

0.46 (0.25, 0.62)**

Total MVPA (MET-min/week)

1201.4± 576.7

1083.2± 590.5

  

966.2 ± 525.9

953.3 ± 584.9

  

PA level

n (%)

n (%)

Gwet's AC1

(95% CI)

% Agreement

n (%)

n (%)

Gwet's AC1 (95% CI)

% Agreement

bLow

27 (29.3%)

29 (32.2%)

0.61 (0.49, 0.74)

70.0%

29 (34.5%)

33 (39.8%)

0.60 (0.47, 0.74)

69.6%

cModerate

64 (69.6%)

60 (66.7%)

55 (65.5%)

49 (59 %)

dHigh

1 (1.1%)

1 (1.1 %)

-

1 (1.2%)

  1. Note: There were no participants in this study that reported vigorous activity either for work or recreational activity of the GPAQ. Only one participant reported moderate activity for leisure/recreation, hence data is not shown.
  2. CI Confidence Interval, GPAQ Global Physical Activity Questionnaire, ICC Intra class correlation; task, PA Physical activity, MET Metabolic equivalent, SD Standard deviation
  3. *p value <0.01
  4. **p value <0.0001
  5. a Travel component includes PA from walking or biking
  6. b Low IF: the value does not reach the criteria for either high or moderate levels of physical activity.
  7. c Moderate IF: (total physical activity vigorous days >= 3 days AND total physical activity vigorous >= 60 minutes OR IF: Moderate physical activity for work and recreation days+ travel days >= 5 days AND total moderate physical activity for work and recreation+ total travel>= 150 minutes OR IF: total vigorous and moderate physical activity days for work and recreation + travel days>= 5 days AND Total physical activity MET minutes per week >= 600
  8. d High IF:( total physical activity vigorous days) >= 3 days AND Total physical activity MET minutes per week is >= 1500 OR IF: Total physical activity for vigorous, moderate and travel days >= 7 days AND total physical activity MET minutes per week is >= 300020