Reported frequency of snoring in the previous 12 months in children aged 1–4 yrs, by age, sex, ethnicity and selected covariates#
| Reported frequency of snoring | ||||||||
| Never | Only with colds | Sometimes without colds | Almost always | |||||
| Total | 2714 (40.3) | 39.1–41.4 | 1862 (27.6) | 26.6–28.7 | 1635 (24.2) | 23.2–25.3 | 531 (7.9) | 7.2–8.5 |
| Age yrs | ||||||||
| 1 | 1719 (40.9) | 39.4–42.3 | 1259 (29.9) | 28.5–31.3 | 953 (22.7) | 21.4–23.9 | 276 (6.6) | 5.8–7.3 |
| 2 | 319 (39.5) | 36.1–42.9 | 225 (27.9) | 24.7–30.9 | 208 (25.7) | 22.7–28.8 | 56 (6.9) | 5.2–8.7 |
| 3 | 331 (38.5) | 35.2–41.7 | 198 (23.0) | 20.2–25.8 | 245 (28.5) | 25.5–31.5 | 86 (10.0) | 8.0–12.0 |
| 4 | 345 (39.8) | 36.5–43.1 | 180 (20.8) | 18.1–23.5 | 229 (26.4) | 23.5–29.3 | 113 (13.0) | 10.8–15.3 |
| Sex | ||||||||
| Female | 1387 (43.0) | 41.3–44.7 | 897 (27.8) | 26.3–29.4 | 708 (22.0) | 20.5–23.4 | 234 (7.3) | 6.4–8.1 |
| Male | 1327 (37.7) | 36.1–39.3 | 965 (27.5) | 26.0–28.9 | 927 (26.4) | 24.9–27.8 | 297 (8.5) | 7.5–9.4 |
| Ethnicity | ||||||||
| White | 1907 (38.6) | 37.3–40.0 | 1390 (28.2) | 26.9–29.4 | 1229 (24.9) | 23.7–26.1 | 412 (8.3) | 7.6–9.1 |
| South Asian | 807 (44.7) | 42.4–47.0 | 472 (26.2) | 24.1–28.2 | 406 (22.5) | 20.6–24.4 | 119 (6.6) | 5.4–7.7 |
| Parental smoking | ||||||||
| None | 1878 (43.0) | 41.5–44.5 | 1209 (27.7) | 26.4–29.0 | 990 (22.7) | 21.4–23.9 | 290 (6.6) | 5.9–7.4 |
| One parent | 621 (36.3) | 34.0–38.6 | 471 (27.5) | 25.4–29.6 | 461 (26.9) | 24.8–29.0 | 158 (9.2) | 7.9–10.6 |
| Both parents | 215 (32.4) | 28.8–35.9 | 182 (27.4) | 24.0–30.8 | 184 (27.7) | 24.3–31.1 | 83 (12.5) | 10.0–15.0 |
| Townsend score | ||||||||
| Low deprivation | 1020 (41.4) | 39.4–43.3 | 715 (29.0) | 27.2–30.8 | 572 (23.2) | 21.5–24.9 | 159 (6.5) | 5.5–7.4 |
| Medium deprivation | 894 (39.5) | 37.5–41.5 | 647 (28.6) | 26.7–30.5 | 546 (24.1) | 22.4–25.9 | 175 (7.7) | 6.6–8.8 |
| High deprivation | 750 (39.5) | 37.3–41.7 | 469 (24.7) | 22.8–26.7 | 487 (25.7) | 23.7–27.6) | 191 (10.1) | 8.7–11.4 |
Data are presented as n (%) or 95% confidence interval. #: n = 6,742.