Table 3.

Responses of Patients to 10 Berlin Questionnaire Items Regarding Sleep Dysfunction*

Questions and ResponsesPatients
1. Do you snore? (n = 249)
    Yes134 (54)
    No77 (31)
    Don't know38 (15)
2. If you snore, your snoring is: (n = 129)
    Slightly louder than breathing64 (50)
    As loud as talking44 (34)
    Louder than talking7 (5)
    Very loud, can be heard in adjacent rooms14 (11)
3. How often do you snore? (n = 120)
    Nearly every day44 (37)
    3–4 times a week26 (22)
    1–2 times a week29 (24)
    1–2 times a month18 (15)
    Never or nearly never3 (3)
4. Has your snoring ever bothered other people? (n = 132)
    Yes78 (59)
    No54 (41)
5. Has anyone noticed that you quit breathing during sleep? (n = 120)
    Nearly every day2 (2)
    3–4 times a week2 (2)
    1–2 times a week3 (3)
    1–2 times a month4 (3)
    Never or nearly never109 (91)
6. How often do you feel tired or fatigued after your sleep? (n = 244)
    Nearly every day43 (18)
    3–4 times a week28 (11)
    1–2 times a week41 (17)
    1–2 times a month37 (15)
    Never or nearly never95 (39)
7. During your waking time, do you feel tired, fatigued, or not up to par? (n = 242)
    Nearly every day39 (16)
    3–4 times a week33 (14)
    1–2 times a week43 (18)
    1–2 times a month48 (20)
    Never or nearly never79 (33)
8. Have you ever nodded off or fallen asleep while driving a vehicle? (n = 247)
    Yes30 (12)
    No217 (88)
9. If yes (nodded off or fallen asleep while driving), how often? (n = 29)
    1–2 times a week4 (14)
    1–2 times a month6 (21)
    Never or nearly never19 (66)
10. Do you have high blood pressure? (n = 245)
    Yes88 (36)
    No151 (62)
    Don't know6 (2)
  • Values provided as n (%).

  • * Denominators vary because of nonresponders or missing data.

  • Percentages total >100% because of rounding.