Table 2.
Berlin questionnaire items between low and high Berlin score (low vs. high OSA risk groups).
| Low score (n = 311) N (%) | High score (n = 76) N (%) | p-value | ||
|---|---|---|---|---|
| B1 | Do you snore? | <0.001*** | ||
| No | 164 (53%) | 2 (3%) | ||
| Yes | 64 (21%) | 72 (95%) | ||
| Do not know | 83 (27%) | 2 (3%) | ||
| B2 | If you answered “yes” | <0.001*** | ||
| Slightly louder than breathing | 213 (68%) | 35 (46%) | ||
| As loud as talking | 5 (2%) | 8 (11%) | ||
| Louder than talking | 11 (4%) | 12 (16%) | ||
| Very loud—it can be heard from adjacent rooms | 8 (3%) | 21 (28%) | ||
| missing | 74 (24%) | 0 | ||
| B3 | How often do you snore? | <0.001*** | ||
| Never or almost never | 173 (56%) | 1 (1%) | ||
| 1–2 times a month | 46 (15%) | 5 (7%) | ||
| 1–2 times a week | 41 (13%) | 9 (12%) | ||
| 3–4 times a week | 20 (6%) | 13 (17%) | ||
| Every day | 31 (10%) | 48 (63%) | ||
| B4 | Has your snoring ever bothered other people? | <0.001*** | ||
| No | 172 (55%) | 9 (12%) | ||
| Yes | 68 (22%) | 61 (80%) | ||
| Do not know | 71 (23%) | 6 (8%) | ||
| B5 | Has anyone noticed that you stop breathing during your sleep? | <0.001*** | ||
| Never or almost never | 299 (96%) | 41 (54%) | ||
| 1–2 times a month | 3 (1%) | 10 (13%) | ||
| 1–2 times a week | 3 (1%) | 11 (14%) | ||
| 3–4 times a week | 3 (1%) | 8 (11%) | ||
| Every day | 3 (1%) | 6 (8%) | ||
| B6 | How often do you feel tired or fatigued after your sleep? | 0.0018** | ||
| Never or almost never | 117 (38%) | 8 (11%) | ||
| 1–2 times a month | 73 (23%) | 9 (12%) | ||
| 1–2 times a week | 68 (22%) | 9 (12%) | ||
| 3–4 times a week | 23 (7%) | 16 (21%) | ||
| Every day | 30 (10%) | 34 (45%) | ||
| B7 | During your waking time, do you feel tired, fatigued or not up to par? | 0.0029** | ||
| Never or almost never | 76 (24%) | 8 (11%) | ||
| 1–2 times a month | 82 (26%) | 6 (8%) | ||
| 1–2 times a week | 88 (28%) | 11 (14%) | ||
| 3–4 times a week | 33 (11%) | 17 (22%) | ||
| Every day | 32 (10%) | 34 (45%) | ||
| B8 | Have you ever nodded off or fallen asleep while driving a vehicle? | <0.001*** | ||
| No | 284 (91%) | 58 (76%) | ||
| Yes | 27 (9%) | 18 (24%) | ||
| B9 | How often does this occur? | <0.001*** | ||
| Never or almost never | 212 (68%) | 37 (49%) | ||
| 1–2 times a month | 15 (5%) | 7 (9%) | ||
| 1–2 times a week | 5 (2%) | 5 (7%) | ||
| 3–4 times a week | 1 (0%) | 2 (3%) | ||
| Every day | 0 | 3 (4%) | ||
| missing | 78 (25%) | 22 (29%) | ||
| B10 | Do you have high blood pressure? | <0.001*** | ||
| No | 284 (91%) | 33 (43%) | ||
| Yes | 16 (5%) | 39 (51%) | ||
| Do not know | 11 (4%) | 4 (5%) |
**
p < 0.01;
***
p < 0.001.
A p-value < 0.05 was considered statistically significant.