Trial Outcomes & Findings for Addressing Insufficient PAP Use in Older Veterans (NCT NCT04868682)

NCT ID: NCT04868682

Last Updated: 2025-11-18

Results Overview

Mean hours of PAP use per night calculated for nights 1 to 180 (night 1 is the first night after randomization). Higher numbers indicate a better outcome.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

106 participants

Primary outcome timeframe

Nights 1 to 180 following randomization

Results posted on

2025-11-18

Participant Flow

Participant milestones

Participant milestones
Measure
PAP Adherence Program
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
Manual-based general sleep education program provided by supervised allied health personnel.
Post-treatment
STARTED
53
53
Post-treatment
COMPLETED
51
50
Post-treatment
NOT COMPLETED
2
3
Six-month Assessment
STARTED
53
53
Six-month Assessment
COMPLETED
51
52
Six-month Assessment
NOT COMPLETED
2
1
12-month Assessment
STARTED
52
53
12-month Assessment
COMPLETED
50
51
12-month Assessment
NOT COMPLETED
2
2

Reasons for withdrawal

Reasons for withdrawal
Measure
PAP Adherence Program
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
Manual-based general sleep education program provided by supervised allied health personnel.
Post-treatment
Lost to Follow-up
1
1
Post-treatment
1 refused assessment; 1 in residing in a nursing home; 1 assessment was missed by staff
1
2
Six-month Assessment
Lost to Follow-up
1
0
Six-month Assessment
Death
1
0
Six-month Assessment
Refused
0
1
12-month Assessment
Lost to Follow-up
2
1
12-month Assessment
Death
0
1

Baseline Characteristics

Addressing Insufficient PAP Use in Older Veterans

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
PAP Adherence Program
n=53 Participants
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 Participants
Manual-based general sleep education program provided by supervised allied health personnel.
Total
n=106 Participants
Total of all reporting groups
Age, Continuous
67.1 years
STANDARD_DEVIATION 9.7 • n=202 Participants
65.5 years
STANDARD_DEVIATION 9.1 • n=283 Participants
66.3 years
STANDARD_DEVIATION 9.4 • n=120 Participants
Sex: Female, Male
Female
7 Participants
n=202 Participants
5 Participants
n=283 Participants
12 Participants
n=120 Participants
Sex: Female, Male
Male
46 Participants
n=202 Participants
48 Participants
n=283 Participants
94 Participants
n=120 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
9 Participants
n=202 Participants
16 Participants
n=283 Participants
25 Participants
n=120 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
44 Participants
n=202 Participants
37 Participants
n=283 Participants
81 Participants
n=120 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=202 Participants
0 Participants
n=283 Participants
0 Participants
n=120 Participants
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
n=202 Participants
2 Participants
n=283 Participants
4 Participants
n=120 Participants
Race (NIH/OMB)
Asian
0 Participants
n=202 Participants
1 Participants
n=283 Participants
1 Participants
n=120 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=202 Participants
0 Participants
n=283 Participants
1 Participants
n=120 Participants
Race (NIH/OMB)
Black or African American
21 Participants
n=202 Participants
17 Participants
n=283 Participants
38 Participants
n=120 Participants
Race (NIH/OMB)
White
22 Participants
n=202 Participants
25 Participants
n=283 Participants
47 Participants
n=120 Participants
Race (NIH/OMB)
More than one race
4 Participants
n=202 Participants
4 Participants
n=283 Participants
8 Participants
n=120 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants
n=202 Participants
4 Participants
n=283 Participants
7 Participants
n=120 Participants
Pittsburgh Sleep Quality Index
10.4 units on a scale
STANDARD_DEVIATION 4.5 • n=202 Participants
9.9 units on a scale
STANDARD_DEVIATION 4.1 • n=283 Participants
10.2 units on a scale
STANDARD_DEVIATION 4.3 • n=120 Participants
Epworth Sleepiness Scale
9.5 units on a scale
STANDARD_DEVIATION 5.4 • n=202 Participants
8.3 units on a scale
STANDARD_DEVIATION 4.9 • n=283 Participants
8.9 units on a scale
STANDARD_DEVIATION 5.2 • n=120 Participants
Functional Outcomes of Sleep Questionnaire-10 items
14.0 units on a scale
STANDARD_DEVIATION 3.5 • n=202 Participants
14.9 units on a scale
STANDARD_DEVIATION 3.7 • n=283 Participants
14.4 units on a scale
STANDARD_DEVIATION 3.6 • n=120 Participants

PRIMARY outcome

Timeframe: Nights 1 to 180 following randomization

Mean hours of PAP use per night calculated for nights 1 to 180 (night 1 is the first night after randomization). Higher numbers indicate a better outcome.

Outcome measures

Outcome measures
Measure
PAP Adherence Program
n=53 Participants
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 Participants
Manual-based general sleep education program provided by supervised allied health personnel.
PAP Adherence
2.16 hours per night
Standard Error 0.26
0.87 hours per night
Standard Error 0.19

SECONDARY outcome

Timeframe: 6 months following randomization

Total score on the Pittsburgh Sleep Quality Index will be used as a measure of sleep quality. Scores range from 0 to 21. Higher scores indicate worse outcome.

Outcome measures

Outcome measures
Measure
PAP Adherence Program
n=53 Participants
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 Participants
Manual-based general sleep education program provided by supervised allied health personnel.
Sleep Quality
7.72 score on a scale
Standard Error 0.60
8.01 score on a scale
Standard Error 0.59

SECONDARY outcome

Timeframe: 6 months following randomization

Total score on the Epworth Sleepiness Scale will be used as a measure of daytime sleepiness. Score range from 0-24. Higher scores indicate worse outcome.

Outcome measures

Outcome measures
Measure
PAP Adherence Program
n=53 Participants
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 Participants
Manual-based general sleep education program provided by supervised allied health personnel.
Daytime Sleepiness
6.11 score on a scale
Standard Error 0.67
7.59 score on a scale
Standard Error 0.67

SECONDARY outcome

Timeframe: 6 months following randomization

Total score on the Functional Outcomes of Sleep Questionnaire (FOSQ-10) will be used as a measure of sleep-related function. Scores range from 5-20. Lower scores indicate worse outcome.

Outcome measures

Outcome measures
Measure
PAP Adherence Program
n=53 Participants
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 Participants
Manual-based general sleep education program provided by supervised allied health personnel.
Sleep-related Function
14.65 score on a scale
Standard Error 0.50
15.67 score on a scale
Standard Error 0.50

Adverse Events

PAP Adherence Program

Serious events: 6 serious events
Other events: 0 other events
Deaths: 1 deaths

Active Control

Serious events: 1 serious events
Other events: 0 other events
Deaths: 1 deaths

Serious adverse events

Serious adverse events
Measure
PAP Adherence Program
n=53 participants at risk
Manual-based program provided by supervised allied health personnel focused on PAP adherence with behavioral strategies to improve PAP adherence and sleep.
Active Control
n=53 participants at risk
Manual-based general sleep education program provided by supervised allied health personnel.
Psychiatric disorders
Mental health distress
1.9%
1/53 • Number of events 1 • One year following randomization.
0.00%
0/53 • One year following randomization.
Infections and infestations
Hospitalization
5.7%
3/53 • Number of events 6 • One year following randomization.
0.00%
0/53 • One year following randomization.
Cardiac disorders
Hospitalization
3.8%
2/53 • Number of events 2 • One year following randomization.
1.9%
1/53 • Number of events 1 • One year following randomization.
General disorders
Hospitalization
1.9%
1/53 • Number of events 1 • One year following randomization.
0.00%
0/53 • One year following randomization.
Renal and urinary disorders
Hospitalization
1.9%
1/53 • Number of events 1 • One year following randomization.
0.00%
0/53 • One year following randomization.

Other adverse events

Adverse event data not reported

Additional Information

Dr. Cathy Alessi

VA Greater Los Angeles Healthcare System

Phone: 818 891-7711

Results disclosure agreements

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