| Odds Ratio [95% Confidence Interval] | |||
---|---|---|---|---|
Discomfort | Tolerance | |||
Univariate | Final multivariate model | Univariate | Final multivariate model | |
Age (continuous) | 0.98 [0.96, 0.99] | Â | 0.97 [0.96, 0.99] | Â |
Sex (female vs. male) | 1.34 [1.02, 1.76] | 1.22 [0.89, 1.68] | 1.35 [1.00, 1.81] | Â |
BMI (continuous) | 1.01 [0.97, 1.05] | Â | 1.02 [0.97, 1.06] | Â |
Education level | ||||
 Secondary school vs. primary school or illiteracy | 2.01 [1.29, 3.15] | 2.32 [1.42, 3.80] | 1.69 [1.04, 2.74] |  |
 Higher education vs. primary school or illiteracy | 2.67 [1.58, 4.49] | 2.65 [1.49, 4.70] | 2.34 [1.33, 4.10] |  |
Family annual income | ||||
 30,000 – 300,000 Yuan vs. < 30 000 Yuan | 1.15 [0.87, 1.52] |  | 1.12 [0.82, 1.52] | 1.19 [0.84, 1.70] |
  ≥ 300,000 Yuan vs. < 30 000 Yuan | 2.01 [1.01, 4.01] |  | 2.09 [1.02, 4.29] | 2.47 [1.07, 5.71] |
 Current smoker, (yes vs. no) | 1.08 [0.79, 1.49] |  | 0.95[0.67, 1.34] |  |
 Current alcohol drinker, (yes vs. no) | 0.91 [0.64, 1.30] |  | 0.80 [0.55, 1.17] |  |
 Pharyngitis, (yes vs. no) | 1.01 [0.84, 1.23] |  | 0.91 [0.74, 1.13] |  |
 Snore, (yes vs. no) | 0.98 [0.81, 1.19] |  | 0.99 [0.80, 1.22] |  |
 Pharynx and larynx related symptoms, (yes vs. no) | 0.95 [0.72, 1.24] |  | 1.09 [0.81, 1.47] |  |
 Expected discomfort (continuous) | 0.98 [0.84, 1.14] | 1.38 [1.16, 1.65] | 0.97 [0.82, 1.14] | 1.14 [0.94, 1.38] |
 Self-evaluated personal tolerance (continuous) | 1.59 [1.34, 1.87] |  | 1.39 [1.16, 1.65] |  |
 Anxiety before endoscopy (continuous) | 1.85 [1.63, 2.10] | 1.74 [1.51, 2.00] | 2.32 [2.00, 2.69] | 2.23 [1.90, 2.62] |
 Pharyngeal sensitivity (ordinal) | 1.22 [0.77, 1.95] |  | 1.03 [0.62, 1.70] |  |
Mallampati classification (ordinal) | ||||
 Class II versus Class I | 0.87 [0.60, 1.26] |  | 0.91 [0.61, 1.36] |  |
 Class III versus Class I | 0.74 [0.47, 1.15] |  | 0.74 [0.45, 1.21] |  |
 Class IV versus Class I | 1.15 [0.76, 1.75] |  | 0.87 [0.55, 1.39] |  |