Table 2.
Survey respondent willingness to grant permission by category.
| Permission | Willing to grant permission, n (%) | Correlation with respondent age | Association with respondent gender | ||||||
| Yes | Maybe | No | ρ | P value | Χ 2 2 | P value | |||
| GPSa location (Q4) | 28 (35) | 26 (33) | 26 (33) | –0.07 | .60 | 0.18 | .91 | ||
| SMSb metadata (Q5) | 24 (30) | 22 (28) | 34 (43) | 0.13 | .31 | 1.00 | .61 | ||
| SMS contents (Q6) | 16 (20) | 21 (27) | 42 (53) | 0.02 | .13 | 6.30 | .04 | ||
| Calendar (Q7) | 26 (33) | 26 (33) | 27 (34) | –0.03 | .83 | 4.73 | .09 | ||
| Screen on/off (Q8) | 36 (46) | 18 (23) | 25 (32) | 0.00 | .97 | 0.48 | .79 | ||
| Motion sensors (Q9) | 33 (42) | 20 (26) | 25 (32) | –0.04 | .76 | 1.18 | .55 | ||
| Audio metadata (Q10) | 16 (20) | 18 (23) | 46 (58) | 0.25 | .04 | 4.58 | .10 | ||
| Audio keywords (Q11) | 14 (18) | 20 (25) | 46 (58) | 0.29 | .02 | 2.25 | .33 | ||
| Audio unrestrained (Q12) | 15 (19) | 25 (31) | 40 (50) | 0.32 | .01 | 4.67 | .10 | ||
aGPS: Global Positioning System.
bSMS: short message service.