Table 2 Distribution of responses to Berlin questionnaire by risk group. (n = 418)
Questions | High-Risk n (%) | Lower-Risk n (%) | p-value |
|---|---|---|---|
Do you snore? | Â | Â | Â |
   Yes | 42 (100) | 62 (16.5) | < 0.0001 |
   No | 0 (0.00) | 285 (75.8) |  |
   Don't Know | 0 (0.00) | 29 (7.71) |  |
Snoring loudness | Â | Â | Â |
   Loud as breathing | 16 (38.1) | 47 (72.3) | < 0.0001 |
   Loud as talking | 8 (19.0) | 14 (21.5) |  |
   Louder than talking | 9 (21.4) | 2 (3.08) |  |
   Very loud | 9 (21.4) | 2 (3.08) |  |
Snoring frequency | Â | Â | Â |
   Almost everyday | 24 (57.1) | 12 (18.8) | < 0.0001 |
   3–4 times/wk | 9 (21.4) | 6 (9.40) |  |
   1–2 times/wk | 5 (11.9) | 14 (21.9) |  |
   1–2 times/mo | 4 (9.5) | 19 (29.7) |  |
   Never or almost never | 0 (0.00) | 13 (20.3) |  |
Does your snoring bother other people? | Â | Â | Â |
   Yes | 28 (66.7) | 16 (24.2) | < 0.0001 |
   No | 14 (33.3) | 40 (60.6) |  |
   Don't Know | 0 (0.00) | 10 (15.2) |  |
How often your breathing pauses have been noticed? | Â | Â | Â |
   Almost everyday | 9 (21.4) | 6 (9.10) | < 0.0001 |
   3–4 times/wk | 1 (2.40) | 1 (1.50) |  |
   1–2 times/wk | 1 (2.40) | 0 (0.00) |  |
   1–2 times/mo | 0 (0.00) | 7 (10.6) |  |
   Never or almost never | 31 (73.8) | 52 (78.8) |  |
Are you tired after sleeping? | Â | Â | Â |
   Almost everyday | 15 (35.7) | 45 (12.0) | < 0.0001 |
   3–4 times/wk | 4 (9.50) | 35 (9.30) |  |
   1–2 times/wk | 5 (11.9) | 86 (22.9) |  |
   1–2 times/mo | 2 (4.80) | 76 (20.3) |  |
   Never or almost never | 16 (38.1) | 133 (35.5) |  |
Are you tired during wake time? | Â | Â | Â |
   Almost everyday | 15 (35.7) | 48 (12.9) | < 0.0001 |
   3–4 times/wk | 7 (16.7) | 39 (10.5) |  |
   1–2 times/wk | 6 (14.3) | 85 (22.8) |  |
   1–2 times/mo | 4 (9.50) | 90 (24.2) |  |
   Never or almost never | 10 (23.8) | 110 (29.6) |  |
Have you ever fallen asleep while driving? | Â | Â | Â |
   Yes | 7 (16.7) | 38 (10.3) |  |
   No | 35 (83.8) | 332 (89.7) |  |
Do you have high blood pressure? | Â | Â | Â |
   Yes | 14 (33.3) | 27 (7.20) | < 0.0001 |
   No | 27 (64.3) | 339 (90.2) |  |
   Don't know | 1 (2.40) | 10 (2.70) |  |
Body Mass Index | Â | Â | Â |
   Normal (<23 kg/m2) | 5 (11.9) | 218 (58.0) | < 0.0001 |
   Over weight (23 kg/m2 to less than 27.5 kg/m2) | 12 (28.6) | 124 (33.0) |  |
   Obese (≥ 27.5 kg/m2) | 25 (59.5) | 34 (9.00) |  |