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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.