Trial Outcomes & Findings for Lottery Incentive Nudges to Increase Influenza Vaccinations (NCT NCT05012163)
NCT ID: NCT05012163
Last Updated: 2024-12-30
Results Overview
Received flu vaccination at relevant PCP or specialty appointment.
Recruitment status
COMPLETED
Study phase
NA
Target enrollment
57581 participants
Primary outcome timeframe
3 days after patient is randomized
Results posted on
2024-12-30
Participant Flow
Participant milestones
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Overall Study
STARTED
|
14394
|
14394
|
14394
|
14399
|
|
Overall Study
COMPLETED
|
14394
|
14394
|
14393
|
14398
|
|
Overall Study
NOT COMPLETED
|
0
|
0
|
1
|
1
|
Reasons for withdrawal
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Overall Study
Protocol Violation
|
0
|
0
|
1
|
1
|
Baseline Characteristics
Lottery Incentive Nudges to Increase Influenza Vaccinations
Baseline characteristics by cohort
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14394 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14399 Participants
No additional contact beyond standard Geisinger flu shot communications
|
Total
n=57581 Participants
Total of all reporting groups
|
|---|---|---|---|---|---|
|
Age, Customized
<18
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
1 Participants
n=5 Participants
|
1 Participants
n=4 Participants
|
2 Participants
n=21 Participants
|
|
Age, Customized
18-65
|
11051 Participants
n=5 Participants
|
11105 Participants
n=7 Participants
|
11097 Participants
n=5 Participants
|
11066 Participants
n=4 Participants
|
44319 Participants
n=21 Participants
|
|
Age, Customized
65+
|
3343 Participants
n=5 Participants
|
3289 Participants
n=7 Participants
|
3296 Participants
n=5 Participants
|
3332 Participants
n=4 Participants
|
13260 Participants
n=21 Participants
|
|
Sex: Female, Male
Female
|
8370 Participants
n=5 Participants
|
8306 Participants
n=7 Participants
|
8313 Participants
n=5 Participants
|
8344 Participants
n=4 Participants
|
33333 Participants
n=21 Participants
|
|
Sex: Female, Male
Male
|
6024 Participants
n=5 Participants
|
6088 Participants
n=7 Participants
|
6081 Participants
n=5 Participants
|
6055 Participants
n=4 Participants
|
24248 Participants
n=21 Participants
|
|
Ethnicity (NIH/OMB)
Hispanic or Latino
|
643 Participants
n=5 Participants
|
659 Participants
n=7 Participants
|
701 Participants
n=5 Participants
|
661 Participants
n=4 Participants
|
2664 Participants
n=21 Participants
|
|
Ethnicity (NIH/OMB)
Not Hispanic or Latino
|
13670 Participants
n=5 Participants
|
13649 Participants
n=7 Participants
|
13624 Participants
n=5 Participants
|
13656 Participants
n=4 Participants
|
54599 Participants
n=21 Participants
|
|
Ethnicity (NIH/OMB)
Unknown or Not Reported
|
81 Participants
n=5 Participants
|
86 Participants
n=7 Participants
|
69 Participants
n=5 Participants
|
82 Participants
n=4 Participants
|
318 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
American Indian or Alaska Native
|
42 Participants
n=5 Participants
|
29 Participants
n=7 Participants
|
30 Participants
n=5 Participants
|
29 Participants
n=4 Participants
|
130 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
Asian
|
135 Participants
n=5 Participants
|
112 Participants
n=7 Participants
|
130 Participants
n=5 Participants
|
148 Participants
n=4 Participants
|
525 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
Black or African American
|
595 Participants
n=5 Participants
|
609 Participants
n=7 Participants
|
615 Participants
n=5 Participants
|
595 Participants
n=4 Participants
|
2414 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
|
50 Participants
n=5 Participants
|
51 Participants
n=7 Participants
|
56 Participants
n=5 Participants
|
53 Participants
n=4 Participants
|
210 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
White
|
13459 Participants
n=5 Participants
|
13484 Participants
n=7 Participants
|
13448 Participants
n=5 Participants
|
13457 Participants
n=4 Participants
|
53848 Participants
n=21 Participants
|
|
Race/Ethnicity, Customized
Unknown
|
113 Participants
n=5 Participants
|
109 Participants
n=7 Participants
|
115 Participants
n=5 Participants
|
117 Participants
n=4 Participants
|
454 Participants
n=21 Participants
|
PRIMARY outcome
Timeframe: 3 days after patient is randomizedPopulation: All enrolled patients were included in analyses, except the two patients who were inadvertently enrolled at age 17.
Received flu vaccination at relevant PCP or specialty appointment.
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Vaccination at Appointment
No Shot at Appointment
|
10461 Participants
|
10511 Participants
|
10394 Participants
|
10746 Participants
|
|
Flu Vaccination at Appointment
Shot at Appointment
|
3933 Participants
|
3883 Participants
|
3999 Participants
|
3652 Participants
|
SECONDARY outcome
Timeframe: Within 7 days of when patient is randomizedReceived flu vaccination
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Vaccination Within 7 Days
No Shot Within 7 Days
|
10119 Participants
|
10104 Participants
|
10007 Participants
|
10343 Participants
|
|
Flu Vaccination Within 7 Days
Shot Within 7 Days
|
4275 Participants
|
4290 Participants
|
4386 Participants
|
4055 Participants
|
SECONDARY outcome
Timeframe: During the 2021-22 flu season (Up to 8 months, from the time the patient is randomized through April 30, 2022)Received a "high confidence flu" diagnosis (with positive polymerase chain reaction \[PCR\]/antigen/molecular test) and/or "likely flu" diagnosis (as assessed via International Classification of Disease \[ICD\] codes or Tamiflu administration or positive PCR/antigen/molecular test) Note that "likely flu" is a superset of the "high confidence flu" diagnoses.
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Diagnosis
No flu diagnosis
|
14277 Participants
|
14262 Participants
|
14298 Participants
|
14265 Participants
|
|
Flu Diagnosis
Flu diagnosis
|
117 Participants
|
132 Participants
|
95 Participants
|
133 Participants
|
SECONDARY outcome
Timeframe: During the 2021-22 flu season (Up to 11 months, from the time the patient is randomized through July 31, 2022)Diagnosed with flu-related complications
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Complications
No flu complications
|
12537 Participants
|
12613 Participants
|
12593 Participants
|
12605 Participants
|
|
Flu Complications
Flu complications
|
1857 Participants
|
1781 Participants
|
1800 Participants
|
1793 Participants
|
OTHER_PRE_SPECIFIED outcome
Timeframe: Within 28 days of when the study subject is randomizedCohabitant of study subject received flu vaccination
Outcome measures
Outcome data not reported
OTHER_PRE_SPECIFIED outcome
Timeframe: 3 days after the patient is randomized.Population: All enrolled patients were included in analyses, except the two patients who were inadvertently enrolled at age 17.
Received flu vaccination at relevant PCP or specialty appointment.
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Vaccination at Appointment by Gender
Female · No Shot at Appointment
|
6207 Participants
|
6132 Participants
|
6106 Participants
|
6290 Participants
|
|
Flu Vaccination at Appointment by Gender
Female · Shot at Appointment
|
2163 Participants
|
2174 Participants
|
2206 Participants
|
2054 Participants
|
|
Flu Vaccination at Appointment by Gender
Male · No Shot at Appointment
|
4254 Participants
|
4379 Participants
|
4288 Participants
|
4456 Participants
|
|
Flu Vaccination at Appointment by Gender
Male · Shot at Appointment
|
1770 Participants
|
1709 Participants
|
1793 Participants
|
1598 Participants
|
OTHER_PRE_SPECIFIED outcome
Timeframe: 3 days after the patient is randomized.Population: All enrolled patients were included in analyses, except the two patients who were inadvertently enrolled at age 17.
Received flu vaccination at relevant PCP or specialty appointment.
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Vaccination at Appointment by Race
American Indian or Alaska Native · No Shot at Appointment
|
33 Participants
|
23 Participants
|
18 Participants
|
21 Participants
|
|
Flu Vaccination at Appointment by Race
American Indian or Alaska Native · Shot at Appointment
|
9 Participants
|
6 Participants
|
12 Participants
|
8 Participants
|
|
Flu Vaccination at Appointment by Race
Asian · No Shot at Appointment
|
92 Participants
|
78 Participants
|
89 Participants
|
101 Participants
|
|
Flu Vaccination at Appointment by Race
Black or African American · No Shot at Appointment
|
496 Participants
|
521 Participants
|
509 Participants
|
515 Participants
|
|
Flu Vaccination at Appointment by Race
Black or African American · Shot at Appointment
|
99 Participants
|
88 Participants
|
106 Participants
|
80 Participants
|
|
Flu Vaccination at Appointment by Race
Native Hawaiian or Other Pacific Islander · No Shot at Appointment
|
37 Participants
|
42 Participants
|
36 Participants
|
37 Participants
|
|
Flu Vaccination at Appointment by Race
Native Hawaiian or Other Pacific Islander · Shot at Appointment
|
13 Participants
|
9 Participants
|
20 Participants
|
16 Participants
|
|
Flu Vaccination at Appointment by Race
Unknown · No Shot at Appointment
|
85 Participants
|
90 Participants
|
93 Participants
|
96 Participants
|
|
Flu Vaccination at Appointment by Race
Unknown · Shot at Appointment
|
28 Participants
|
19 Participants
|
22 Participants
|
21 Participants
|
|
Flu Vaccination at Appointment by Race
White · No Shot at Appointment
|
9718 Participants
|
9757 Participants
|
9649 Participants
|
9976 Participants
|
|
Flu Vaccination at Appointment by Race
White · Shot at Appointment
|
3741 Participants
|
3727 Participants
|
3798 Participants
|
3480 Participants
|
|
Flu Vaccination at Appointment by Race
Asian · Shot at Appointment
|
43 Participants
|
34 Participants
|
41 Participants
|
47 Participants
|
OTHER_PRE_SPECIFIED outcome
Timeframe: 3 days after the patient is randomized.Population: All enrolled patients were included in analyses, except the two patients who were inadvertently enrolled at age 17.
Received flu vaccination at relevant PCP or specialty appointment.
Outcome measures
| Measure |
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive a PA lottery $1 scratch-off ticket if they get a flu shot at an upcoming appointment. The message will mention that they could win $5,000 (the top prize for the scratch-off game).
Note: $1 scratch-off products vary over time; at study implementation, an active game with top prize of $5,000 (or the next-highest top prize) will be selected and will define the prize in the raffle absent upfront odds
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
Lottery: Letter, SMS, phone, and/or email
|
Certain Cash Payout Financial Incentive
n=14394 Participants
Participants in this arm will receive a message stating that they will receive $1 in cash if they get a flu shot at an upcoming appointment.
Reminder: Letter, short message service (SMS) text, phone, and/or email
Financial incentive: Letter, SMS, phone, and/or email
|
Reminder / Active Control (No Financial Incentive)
n=14393 Participants
Participants in this arm will receive a message stating that they can get a flu shot at an upcoming appointment. These participants will not be offered a financial incentive for getting a flu shot.
Reminder: Letter, short message service (SMS) text, phone, and/or email
|
No Treatment Control
n=14398 Participants
No additional contact beyond standard Geisinger flu shot communications
|
|---|---|---|---|---|
|
Flu Vaccination at Appointment by Ethnicity
Hispanic or Latino · No Shot at Appointment
|
511 Participants
|
517 Participants
|
525 Participants
|
530 Participants
|
|
Flu Vaccination at Appointment by Ethnicity
Hispanic or Latino · Shot at Appointment
|
132 Participants
|
142 Participants
|
175 Participants
|
130 Participants
|
|
Flu Vaccination at Appointment by Ethnicity
Not Hispanic or Latino · No Shot at Appointment
|
9889 Participants
|
9922 Participants
|
9812 Participants
|
10153 Participants
|
|
Flu Vaccination at Appointment by Ethnicity
Not Hispanic or Latino · Shot at Appointment
|
3781 Participants
|
3727 Participants
|
3812 Participants
|
3503 Participants
|
|
Flu Vaccination at Appointment by Ethnicity
Unknown · No Shot at Appointment
|
61 Participants
|
72 Participants
|
57 Participants
|
63 Participants
|
|
Flu Vaccination at Appointment by Ethnicity
Unknown · Shot at Appointment
|
20 Participants
|
14 Participants
|
12 Participants
|
19 Participants
|
Adverse Events
Pennsylvania (PA) Lottery Scratch-Off Financial Incentive
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
Certain Cash Payout Financial Incentive
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
Reminder / Active Control (No Financial Incentive)
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
No Treatment Control
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place