Table 1 Descriptive information on adults who provided questionnaire and GPS (n = 23) or prompted recall information (n = 31) on activity locations in Montreal, Canada in 2011
|  | Questionnaire + GPS data (n = 23) | Questionnaire + prompted recall locations (n = 31) |
|---|---|---|
Socio-demographic characteristics | Â | Â |
Sex (female),% (n) | 43.5 (10) | 38.7 (12) |
Age, mean years (SD) | 37 (12) | 37 (11) |
Education level, % (n) | Â | Â |
 High school/trade school | 4.3 (1) | 3.2 (1) |
 College | 21.7 (5) | 19.4 (6) |
 Undergraduate | 26.1 (6) | 32.3 (10) |
 Graduate | 47.8 (11) | 45.2 (14) |
Occupation, % (n) | Â | Â |
 Student | 21.7 (5) | 19.4 (6) |
 Freelancer | 13.0 (3) | 9.7 (3) |
 Part-time employed | 13.0 (3) | 9.7 (3) |
 Full-time employed | 52.2 (12) | 61.3 (19) |
Annual household income, % (n) | Â | Â |
 < 20,000$ | 26.0 (6) | 19.4 (6) |
 20,000, 50,000$ | 13.0 (3) | 16.2 (5) |
 50,000, 75,000$ | 21.7 (5) | 19.4 (6) |
 75,000, 99,000$ | 26.1 (6) | 25.8 (8) |
 > 100,000$ | 8.6 (2) | 12.9 (4) |
 No answer | 4.3 (1) | 6.5 (2) |
Mobility potential | Â | Â |
Has driver’s license (yes), % (n) | 73.9 (17) | 80.6 (25) |
Has access to a car (yes), % (n) | 21.7 (5) | 25.8 (8) |
Has car-sharing membership (yes), % (n) | 17.4 (4) | 19.4 (6) |
Activity-related characteristics | Â | Â |
Questionnaire locations | Â | Â |
 Min, max | 4, 8 | 3, 9 |
 Mean (SD) | 6.4 (1.3) | 6.1 (1.6) |
Days with GPS data | Â | Â |
 Min, max | 5, 9 | --- |
 Mean (SD) | 7.7 (1.3) | --- |
GPS activity locations | Â | Â |
 Min, max | 3, 49 | --- |
 Mean (SD) | 12.7 (10.7) | --- |
Prompted recall locations | Â | Â |
 Min, max | --- | 4, 35 |
 Mean (SD) | --- | 12.9 (7.4) |