Skip to main content

Advertisement

Table 2 Number and percentage of the subjects (self-reported workers) who had both questionnaire and GPS tracking data for at least one valid GPS day a

From: Travel patterns during pregnancy: comparison between Global Positioning System (GPS) tracking and questionnaire data

  Any pregnancy period <20 weeks 20-30 weeks >30 weeks Two or three pregnancy periods All three pregnancy periods Total person-weeks
Number of subjects 56 (100.0%) 49 (100.0%) 44 (100.0%) 24 (100.0%) 45 (100.0%) 16 (100.0%) 117
Had ≥2 valid GPS days 55 (98.2%) 44 (89.8%) 38 (86.4%) 21 (87.5%) 38 (84.4%) 10 (62.5%) 103
Had ≥3 valid GPS days 52 (92.9%) 40 (81.6%) 35 (79.5%) 18 (75.0%) 33 (73.3%) 8 (50.0%) 93
Had a car for transportation 54 (96.4%) 46 (93.9%) 40 (90.9%) 21 (87.5%) 40 (88.9%) 13 (81.3%) 107
Going to work by automobile 51 (91.1%) 44 (89.8%) 39 (88.6%) 22 (91.7%) 41 (91.1%) 13 (81.3%) 105
Going to work by bus, metro rail, or train 7 (12.5%) 7 (14.3%) 3 (6.8%) 3 (12.5%) 3 (6.7%) 3 (18.8%) 13
Going to work by walking 7 (12.5%) 6 (12.2%) 5 (11.4%) 3 (12.5%) 5 (11.1%) 2 (12.5%) 14
  1. aValid GPS day: ≥50% of GPS data between 7:00 AM and 10:59 PM.