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Table 1 Descriptive information on the participants in the validity and reliability studies#

From: Measuring physical activity among pregnant women using a structured one-week recall questionnaire: evidence for validity and reliability

 

Validity Study

Reliability Study

 

Complete Actigraph Sample*

Full Sample

  
 

n = 120

%

n = 177

%

n = 109

%

Race

      

   White

87

72.5

119

67.2

79

72.5

   Black

17

14.2

38

21.5

29

26.6

   Other

16

13.3

20

11.3

1

0.9

Education

      

   < = High school

1

0.8

8

4.5

35

33.7

   Some college

22

18.3

40

22.6

14

13.5

   College +

97

80.8

129

72.9

55

52.9

Age group

      

   <20

2

1.7

7

4.0

9

8.3

   20-29

45

37.5

76

43.0

47

43.1

   30+

73

60.8

94

53.1

53

48.6

General Health

      

   Excellent

60

50.0

74

41.8

34

31.2

   Very Good

44

36.7

74

41.8

46

42.2

   Good

12

10.0

22

12.4

22

20.2

   Fair

2

1.7

5

2.8

7

6.4

   Poor

2

1.7

2

1.1

0

0.0

Currently working

      

   Yes

78

65.0

118

66.7

72

66.1

   No

42

35.0

59

33.3

37

33.9

  1. *Complete data was defined as having nonmissing counts over at least 70% of a standard measurement day, with a standard measurement day defined as the length of time in which at least 70% of participants were wearing the monitor. This was defined separately for weekdays and weekends.
  2. #In some cases the values may not add to the sample size due to missing values.