Table 1.

Distribution of the Questionnaire Results by Study Groups.

QuestionsComparison Group (n = 100)Research Group (n = 102)P
Screening Question
    Do you wake up at night in order to urinate?
        No43 (43.0)0 (0)
        Once57 (57.0)27 (26.5)<.001
        2–3 times per night0 (0)58 (56.9)
        >3 times per night0 (0)17 (16.7)
Berlin Questionnaire
    Has your weight changed?
        Increased10 (10.0)22 (21.6)
        Decreased20 (20.0)13 (12.7).049
        No change70 (70.0)67 (65.7)
    Do you snore?
        Yes51 (51.0)61 (59.8)
        No38 (38.0)35 (34.3).291
        Do not know11 (11.0)6 (5.9)
    Snoring loudness (n = 103)*
        As loud as breathing5 (10.0)9 (17.0)
        As loud as talking31 (62.0)24 (45.3).019
        Louder than talking12 (24.0)8 (15.1)
        Very loud2 (4.0)12 (22.6)
    Snoring frequency (n = 109)*
        Almost every day17 (33.3)27 (46.6)
        3–4 times/week30 (58.8)25 (43.1).261
        1–2 times/month4 (7.8)6 (10.3)
        Never or almost never0 (0)0 (0)
    Does your snoring bother other people? (n = 112)*
        Yes18 (35.3)30 (49.2).180
        No33 (64.7)31 (50.8)
    How often have your breathing pauses been noticed? (n = 199)
        Almost every day0 (0)1 (1.0)
        3–4 times/week7 (7.1)4 (4.0).389
        1–2 times/month6 (6.1)3 (3.0)
        Never or almost never86 (86.9)92 (92.0)
    Are you tired after sleeping? (n = 201)
        Almost every day12 (12.0)19 (18.8)
        3–4 times/week11 (11.0)18 (17.8).215
        1–2 times/month10 (10.0)8 (7.9)
        Never or almost never67 (67.0)56 (55.4)
    Are you tired during the time you are awake?
        Almost every day12 (12.0)36 (35.3)
        3–4 times/week25 (25.0)24 (23.5)<.001
        1–2 times/month16 (16.0)6 (5.9)
        Never or almost never47 (47.0)36 (35.3)
    Have you ever fallen asleep while driving?
        Yes3 (3.0)6 (5.9).498
        No97 (97.0)96 (94.1)
    Do you have high blood pressure?
        Yes41 (41.0)63 (61.8)
        No59 (59.0)35 (34.3).001
        Do not know0 (0)4 (3.9)
  • Values provided as n (%).