Table 4. Breastfeeding Duration in categories and Snoring Outcomes.
| Prevalence (%) of snoring outcome/breastfeeding duration | |||||||
| Never breastfed or <1 month | 1–6 months breastfeeding | 7–12 months breastfeeding | >13 months breastfeeding | Trend | Unadjusted OR (95% CI) | Adjusted ORb (95% CI) | |
| (n = 137) | (n = 149) | (n = 78) | (n = 86) | N = 450 | N = 416a | ||
| Any Snoring (n = 179) | 43.8 | 40.9 | 39.7 | 31.4 | p = 0.08 | 0.85 (0.72, 1.02) | 0.90 (0.75, 1.09) |
| Habitual Snoring (n = 84) | 27.0 | 14.8 | 17.9 | 12.8 | p = 0.01 | 0.75 (0.59, 0.95) | 0.79 (0.62, 1.00) |
| Loud Snoring (n = 21) | 6.6 | 3.4 | 5.1 | 3.5 | p = 0.38 | 0.83 (0.54, 1.26) | 0.83 (0.54, 1.29) |
| Difficulty Breathing while sleeping (n = 31) | 6.6 | 8.7 | 5.1 | 5.8 | p = 0.60 | 0.92 (0.65, 1.30) | 0.95 (0.66, 1.35) |
| Witnessed Apnea (n = 12) | 5.8 | 0.7 | 2.6 | 1.2 | p = 0.07 | 0.54 (0.28, 1.05) | 0.56 (0.27, 1.17) |
Odds Ratios (OR) and 95% Confidence Intervals (95%CI).
a .Information on covariates was missing for 34 subjects who were excluded from the adjusted models b.Adjusted for ETS at 7.5 yrs, maternal asthma, smoking in pregnancy.