Trial Outcomes & Findings for A Message Framing Intervention for Increasing Parental Acceptance of Human Papillomavirus Vaccination (NCT NCT03856437)

NCT ID: NCT03856437

Last Updated: 2024-03-15

Results Overview

Attitudes toward HPV vaccination for children Scale range: 1-7 (higher score indicates more positive attitude) Subscales were averaged.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

1170 participants

Primary outcome timeframe

baseline posttest (test was approximately 5 minutes to complete)

Results posted on

2024-03-15

Participant Flow

Participant milestones

Participant milestones
Measure
Gain-framed Messages
Participants in this arm receive gain-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Loss-framed Messages
Participants in this arm receive loss-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Control Messages
Participants in this arm receive non-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Overall Study
STARTED
380
407
383
Overall Study
COMPLETED
380
407
383
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Message Framing Intervention for Increasing Parental Acceptance of Human Papillomavirus Vaccination

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Gain-framed Messages
n=380 Participants
Participants in this arm receive gain-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Loss-framed Messages
n=407 Participants
Participants in this arm receive loss-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Control Messages
n=383 Participants
Participants in this arm receive non-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Total
n=1170 Participants
Total of all reporting groups
Age, Continuous
38.10 years
STANDARD_DEVIATION 8.59 • n=5 Participants
38.64 years
STANDARD_DEVIATION 8.86 • n=7 Participants
38.05 years
STANDARD_DEVIATION 8.81 • n=5 Participants
38.27 years
STANDARD_DEVIATION 8.75 • n=4 Participants
Sex/Gender, Customized
Male
103 Participants
n=5 Participants
99 Participants
n=7 Participants
111 Participants
n=5 Participants
313 Participants
n=4 Participants
Sex/Gender, Customized
Female
272 Participants
n=5 Participants
299 Participants
n=7 Participants
262 Participants
n=5 Participants
833 Participants
n=4 Participants
Sex/Gender, Customized
Non-Binary
3 Participants
n=5 Participants
5 Participants
n=7 Participants
5 Participants
n=5 Participants
13 Participants
n=4 Participants
Sex/Gender, Customized
Other
2 Participants
n=5 Participants
4 Participants
n=7 Participants
5 Participants
n=5 Participants
11 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
380 Participants
n=5 Participants
407 Participants
n=7 Participants
383 Participants
n=5 Participants
1170 Participants
n=4 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Baseline Attitudes
5.35 units on a scale
STANDARD_DEVIATION 1.77 • n=5 Participants
5.30 units on a scale
STANDARD_DEVIATION 1.93 • n=7 Participants
5.37 units on a scale
STANDARD_DEVIATION 1.87 • n=5 Participants
5.34 units on a scale
STANDARD_DEVIATION 1.86 • n=4 Participants

PRIMARY outcome

Timeframe: baseline posttest (test was approximately 5 minutes to complete)

Attitudes toward HPV vaccination for children Scale range: 1-7 (higher score indicates more positive attitude) Subscales were averaged.

Outcome measures

Outcome measures
Measure
Gain-framed Messages
n=380 Participants
Participants in this arm receive gain-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Loss-framed Messages
n=407 Participants
Participants in this arm receive loss-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Control Messages
n=383 Participants
Participants in this arm receive non-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Attitudes
5.61 score on a scale
Standard Deviation 1.74
5.56 score on a scale
Standard Deviation 1.94
5.51 score on a scale
Standard Deviation 1.87

PRIMARY outcome

Timeframe: baseline posttest (test was approximately 5 minutes to complete)

Intention to have children vaccinated against HPV free of cost Scale range: 1-6 (higher score indicates stronger intention) Subscales were averaged.

Outcome measures

Outcome measures
Measure
Gain-framed Messages
n=380 Participants
Participants in this arm receive gain-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Loss-framed Messages
n=407 Participants
Participants in this arm receive loss-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Control Messages
n=383 Participants
Participants in this arm receive non-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Intention to Vaccinate Free of Cost
4.56 units on a scale
Standard Deviation 1.57
4.59 units on a scale
Standard Deviation 1.64
4.46 units on a scale
Standard Deviation 1.70

SECONDARY outcome

Timeframe: baseline posttest (test was approximately 5 minutes to complete)

Intention to have children vaccinated against HPV free with cost Scale range: 1-6 (higher score indicates stronger intention) Subscales were averaged.

Outcome measures

Outcome measures
Measure
Gain-framed Messages
n=380 Participants
Participants in this arm receive gain-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Loss-framed Messages
n=407 Participants
Participants in this arm receive loss-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Control Messages
n=383 Participants
Participants in this arm receive non-framed HPV vaccination messages. HPV vaccination messages: Digital multimedia messages consisting of text and imagery conveying the benefits of being vaccinated against HPV, the costs of not being vaccinated against HPV, or neither benefits or costs but simply a call for action.
Intention to Vaccinate With Cost
4.17 units on a scale
Standard Deviation 1.70
4.27 units on a scale
Standard Deviation 1.79
4.08 units on a scale
Standard Deviation 1.82

Adverse Events

Gain-framed Messages

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Loss-framed Messages

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Messages

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

Xiaoli Nan

University of Maryland, College Park

Phone: 301-405-0640

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place