|
Influencing factors
|
|
What the research study involves (e.g., survey, drug testing for research)
|
100
|
37
|
81
|
35
|
0.98
|
(0.84, 1.15)
|
|
How much time is required
|
87
|
50
|
72
|
44
|
1.02
|
(0.85, 1.23)
|
|
How often they have to come in for visits
|
78
|
59
|
61
|
55
|
0.98
|
(0.78, 1.22)
|
|
How far they have to travel to participate (i.e., nearby vs. out of town)
|
85
|
52
|
76
|
40
|
1.09
|
(0.90, 1.31)
|
|
Privacy of the research office
|
92
|
45
|
81
|
35
|
1.18
|
(0.70, 2.01)
|
|
Why their information is being collected and what it will be used for
|
86
|
49
|
77
|
39
|
1.09
|
(0.91, 1.31)
|
|
Whether their information will be kept confidential
|
97
|
40
|
92
|
24
|
1.15
|
(0.99, 1.32)
|
|
Whether the staff doing the research is friendly and trustworthy
|
102
|
35
|
87
|
29
|
1.03
|
(0.89, 1.19)
|
|
Whether the research institution or university is respected
|
65
|
72
|
57
|
59
|
1.05
|
(0.81, 1.36)
|
|
Whether they can skip questions of parts of the study that make them uncomfortable
|
70
|
67
|
77
|
39
|
1.34*
|
(1.09, 1.65)
|
|
How much money they will receive
|
99
|
38
|
82
|
34
|
1.01
|
(0.87, 1.18)
|
|
How much the project will benefit them overall
|
81
|
56
|
77
|
39
|
1.14
|
(0.94, 1.38)
|
|
Whether their appointment times will interfere with their work schedule
|
64
|
73
|
45
|
71
|
0.84
|
(0.63, 1.13)
|
|
Whether they have childcare so that they can attend their appointments
|
66
|
71
|
59
|
57
|
1.07
|
(0.83, 1.38)
|
|
How their friends, family, or partner feels about them participating
|
68
|
69
|
45
|
71
|
0.79
|
(0.60, 1.05)
|
|
Motivations
|
|
Financial incentive (i.e., money or gift card given for participation)
|
110
|
27
|
100
|
16
|
1.10
|
(0.99, 1.23)
|
|
They believe in the mission of the research and want to contribute
|
86
|
51
|
71
|
45
|
0.99
|
(0.81, 1.20)
|
|
Their friends, family, or partner participates
|
89
|
48
|
72
|
44
|
0.98
|
(0.82, 1.19)
|
|
They want to tell their story
|
77
|
60
|
62
|
54
|
0.96
|
(0.77, 1.21)
|
|
They know someone on the research team and want to help them out
|
36
|
101
|
45
|
71
|
1.57*
|
(1.09, 2.26)
|
|
They want to learn about the topic
|
73
|
64
|
56
|
60
|
0.94
|
(0.74, 1.20)
|
|
They would want to get free testing (for example, rapid tests for HIV & Hepatitis C) if it was offered as part of the study
|
93
|
44
|
79
|
37
|
1.03
|
(0.87, 1.22)
|
|
They would want to be linked with resources and/or follow-up testing if it was offered as part of the study
|
93
|
44
|
78
|
38
|
1.02
|
(0.86, 1.21)
|
|
They would want to try a new treatment if it was offered as part of the study
|
93
|
44
|
79
|
37
|
1.03
|
(0.87, 1.22)
|
|
Their friends, family, or partner pressures them to participate so that they can share the financial incentive
|
50
|
87
|
35
|
81
|
0.84
|
(0.59, 1.20)
|
|
Barriers
|
|
Not being able to get in touch with participants because their contact information changed
|
111
|
26
|
94
|
22
|
1.03
|
(0.91, 1.16)
|
|
Not being able to get in touch with participants because they gave false contact information when they started the study
|
76
|
61
|
69
|
47
|
1.11
|
(0.90, 1.37)
|
|
They may have trouble getting transportation for their appointments
|
97
|
40
|
89
|
27
|
1.12
|
(0.96, 1.30)
|
|
They may have trouble being able to show up at a specific appointment time
|
94
|
43
|
85
|
31
|
1.09
|
(0.93, 1.28)
|
|
They may have trouble getting to their appointment because of their work schedule
|
66
|
71
|
55
|
61
|
1.03
|
(0.79, 1.33)
|
|
They may have trouble finding childcare so that they can go to their appointment
|
62
|
75
|
65
|
51
|
1.26
|
(0.98, 1.61)
|
|
They may have concerns about confidentiality and privacy
|
70
|
67
|
62
|
54
|
1.08
|
(0.86, 1.37)
|
|
They may be afraid that the staff would judge them if they are still using drugs
|
60
|
77
|
56
|
60
|
1.15
|
(0.88, 1.50)
|
|
They may have stopped using drugs and no longer think the study is relevant to them
|
63
|
74
|
57
|
59
|
1.11
|
(0.86, 1.44)
|
|
They are in a drug treatment or recovery facility and are unable to be contacted by research staff
|
81
|
56
|
65
|
51
|
0.98
|
(0.79, 1.21)
|
|
Their friends, family, or partner may want them to stop participating
|
38
|
99
|
39
|
77
|
1.23
|
(0.85, 1.79)
|
