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Table 3 Results of the three hierarchical non-linear models of risk factors for AOM

From: Suture restriction of the temporal bone as a risk factor for acute otitis media in children: cohort study

Model 1 Model 2 Model 3
Variable Relative Risk (95% CI) P Value Relative Risk (95% CI) P Value Relative Risk (95% CI) P Value
Severe suture restriction of the temporal bone (Yes) 2.01 (1.25 to 2.69)* <0.01 2.10 (1.41 to 2.83)* <0.01 2.26 (1.43 to 2.91)* <0.01
Internal rotation of the temporal bone (Yes) 1.22 (0.41 to 2.40) 0.68 0.86 (0.19 to 2.34) 0.81 0.84 (0.12 to 2.58) 0.83
External rotation of the temporal bone (Yes) 0.78 (0.31 to 1.64) 0.56 0.47 (0.15 to 1.24) 0.14 0.42 (0.13 to 1.14) 0.09
Age 0.29 (0.11 to 0.72)* <0.01 0.25 (0.11 to 0.51)* 0.001 0.22 (0.10 to 0.52)* 0.001
Gender (Boy) 1.30 (0.65 to 2.12) 0.42 1.58 (0.84 to 2.39) 0.14 1.52 (0.82 to 2.30) 0.16
Use of pacifier (Yes)    2.47 (1.49 to 3.12)* <0.01 2.59 (1.51 to 3.22)* <0.01
History of upper respiratory tract infection (Yes)    0.34 (0.08 to 1.15) 0.09 0.36 (0.08 to 1.32) 0.14
Breastfeeding ≥ 6 months    0.77 (0.35 to 1.46) 0.45 0.73 (0.29 to 1.53) 0.45
Sphenobasilar synchondrosis perturbation (Yes)    1.56 (0.83 to 2.37) 0.15 1.64 (0.90 to 2.42) 0.09
Asymmetry of the occipital condylar parts (Yes)    0.97 (0.48 to 0.68) 0.93 1.01 (0.50 to 1.74) 0.98
Parental smoking (Yes)      0.66 (0.19 to 1.71) 0.44
Daycare (Yes)      1.73 (0.90 to 2.58) 0.09
Socioeconomic status (<$30,000 / year)      1.99 (0.93 to 2.90) 0.07
  1. * denotes significance at < 0.01.