Skip to main content
. 2021 Oct 21;23(10):e19789. doi: 10.2196/19789

Table 2.

Multivariable analysis (logistic regression) of the association between the willingness of Amazon Mechanical Turk workers to share wearable device data for research and their characteristics and between their willingness to receive compensation for donating wearable device data and their characteristics.

Characteristics Willingness to share wearable device data Willingness to share wearable device data if compensation is provided

Odds ratio (95% CI) P value Odds ratio (95% CI) P value
MTurk workers’ characteristics

Sex


Male 1.00 (reference) Reference 1.00 (reference) Reference


Female 1.10 (0.78-1.43) .53 1.17 (0.72-1.92) .53

Age (years)


18-24 1.00 (reference) Reference 1.00 (reference) Reference


25-34 0.99 (0.56-1.42) .96 1.12 (0.54-2.24) .75


35-44 0.97 (0.50-1.45) .91 0.74 (0.33-1.6) .45


≥45 0.88 (0.37-1.39) .64 0.78 (0.3-2.1) .62

Nationality


American 1.00 (reference) Reference 1.00 (reference) Reference


Indian 2.74 (1.48-4.01) .007 0.47 (0.24-0.9) .02


Other 1.13 (0.64-1.62) .61 1.16 (0.54-2.74) .71

Annual income (US $)


<20,000 1.00 (reference) Reference 1.00 (reference) Reference


20,000-39,999 1.61 (0.93-2.29) .08 1.72 (0.88-3.43) .11


40,000-69,999 1.76 (1.02-2.51) .045 1.31 (0.68-2.55) .42


≥70,000 2.46 (1.26-3.67) .02 1.52 (0.71-3.32) .29

Education


Graduate degree or work 1.00 (reference) Reference 1.00 (reference) Reference


Bachelor’s degree 1.31 (0.81-1.81) .23 0.97 (0.52-1.78) .93


Some college 1.10 (0.60-1.60) .69 0.64 (0.29-1.39) .27


High School diploma or other 0.93 (0.32-1.54) .82 1.03 (0.31-4.13) .96

Average time spent on doing human intelligence tasks per week (hours)


0 to <2 1.00 (reference) Reference 1.00 (reference) Reference


2 to <4 0.73 (0.37-1.10) .15 1.22 (0.51-2.88) .65


4 to <8 1.41 (0.71-2.11) .25 0.89 (0.4-1.88) .76


8 to <20 1.16 (0.59-1.73) .58 1.61 (0.69-3.66) .26


≥20 1.16 (0.56-1.76) .60 1.25 (0.54-2.83) .59
Health monitoring technologies

Duration of using wearable devices (months)


≤6 1.00 (reference) Reference 1.00 (reference) Reference


>6 1.75 (1.21-2.29) .006 1.60 (0.99-2.6) .06

Purpose of wearable devicea


Heartbeat and pulse tracking 1.60 (1.14-2.07) .01 1.07 (0.67-1.71) .77


Sleep tracking 1.11 (0.77-1.44) .54 1.00 (0.62-1.65) .99


Step tracking 1.17 (0.77-1.57) .41 1.45 (0.85-2.44) .17


Diet (calories, body fat, and nutrition) 1.09 (0.77-1.41) .60 0.96 (0.59-1.57) .88

aMore than 1 option could be selected by the same person.