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Table 1 Statistics of the study subjects at baseline (<20 weeks of gestation) who had questionnaire and at least one complete day of GPS tracking data (N = 56)

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

Variable Level N (%)
Age <20 3 (5.4)
20-29 25 (44.6)
30-39 27 (48.2)
40 1 (1.8)
Marital status Yes 33 (58.9)
No 23 (41.1)
Number of other children 0 30 (53.6)
1 16 (28.6)
>1 10 (17.9)
Education level Lower than high school 5 (8.9)
High school 19 (33.9)
Technical/Trade school 8 (14.3)
College or university 15 (26.8)
Master or higher degree 9 (16.1)
Annual household income <$30,000 20 (35.7)
$30,000-$50,000 9 (16.1)
$50,000-$75,000 8 (14.3)
>$75,000 18 (32.1)
Don’t Know 1 (1.8)
Ethnicity Asian and Pacific Islanders 7 (12.5)
Hispanic 28 (50)
Non-Hispanic White 16 (28.6)
Other 5 (8.9)