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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Sleep Breath. 2014 Mar 5;18(4):875–883. doi: 10.1007/s11325-014-0959-z

Table 2.

Risk Assessment Scores by Domain Total Scores and/or Sub-scale Scores (n=97)

INAP Domain Assessment Scored Mean (SD) or
n (%)
Score Range
Epworth Sleepiness Scale
(ESS)
Total Score 10.6 (4.84) 0.0 – 21.0
Functional Outcomes of
Sleep Questionnaire
(FOSQ)
Total Score
5 Subscale Scores
 Activity
 General Productivity
 Social Outcome
 Vigilance
 Intimacy and Sexual Activity
15.7 (2.8)

2.9 (0.7)
3.3 (0.5)
3.4 (0.6)
3.0 (0.7)
3.2 (0.8)
7.9 – 19.9

1.2 – 3.9
1.7 – 4.0
1.5 – 4.0
1.1 – 4.0
1.0 – 4.0
Self-efficacy Measure in
Sleep Apnea (SEMSA)
3 Subscale Scores
 Risk Perception
 Outcome Expectancies
 Treatment Self-efficacy

2.7 (0.6)
3.2 (0.6)
3.0 (0.6)

1.1 – 3.9
1.6 – 4.0
1.0 – 4.0
Health Literacy Screening
Questionnaire (HLS)
Total Score
*3 Item Scores
 HLS1 (+) screen score (n[%])
 HLS2 (+) screen score (n[%])
 HLS3 (+) screen score (n[%])
2.3 (2.2)

50 (51.6%)
24 (24.7%)
18 (18.6%)
0.0 – 9.0
Social Cognitive Theory
Questionnaire in OSA
4 Subscale Scores
 Self-efficacy
 Outcome expectancy
 Social Support
OSA & CPAP Knowledge (% correct response)

4.2 (0.8)
4.4 (0.7)
4.5 (0.7)
93.1 (8.5)

1.0 – 5.0
2.3 – 5.0
2.4 – 5.0
58.3 – 100.0
*

Health Literacy Screening Questionnaire items, HLS1, HLS2, HLS3, frequency (n[%]) for positive screening for inadequate health literacy

Social Cognitive Theory Questionnaire in OSA knowledge domain scored for % of correct responses; mean sub-scale score and standard deviation (SD) reported