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Table 2 Logistic regression analysis for the association of OHRQoL with depressive symptoms

From: Association between oral health-related quality of life and depressive symptoms in Chinese college students: Fitness Improvement Tactics in Youths (FITYou) project

Sex Total score of OHIP-14 a No. Depressive symptoms Model 1b Model 2c Model 3d
ORs (95% CI) P value ORs (95% CI) P value ORs (95% CI) P value
Male 0 (n = 299) 39 1.00 (ref)   1.00 (ref)   1.00 (ref)  
1–6 (n = 379) 48 0.97 (0.61–1.53) 0.894 0.94 (0.59–1.50) 0.800 0.94 (0.59–1.50) 0.798
> 6 (n = 309) 98 3.19 (2.10–4.86) < 0.001 3.09 (2.00–4.77) < 0.001 3.07 (1.98–4.76) < 0.001
Female 0 (n = 659) 89 1.00 (ref)   1.00 (ref)   1.00 (ref)  
1–6 (n = 973) 168 1.34 (1.01–1.77) 0.040 1.28 (0.96–1.69) 0.091 1.28 (0.96–1.69) 0.092
> 6 (n = 842) 275 3.16 (2.41–4.12) < 0.001 2.89 (2.20–3.80) < 0.001 2.90 (2.21–3.81) < 0.001
  1. OHRQoL Oral health-related quality of life, ORs Odds ratios, CI Confidential interval
  2. a The higher scores indicate poorer oral health status
  3. b Adjusted for age (continuous), ethnicity (Han ethnicity, minority ethnicity), sibling number (0, ≥ 1 siblings), and parental education level (< high school, ≥ high school)
  4. c Same as Model 1 + smoking status (current, former, never), drinking status (current drinker, non-drinker), frequency of breakfast (< 5, ≥ 5 times per week), and sleep duration (< 6, 6–7, 7–8, > 8 h)
  5. d Same as Model 2 + body mass index (< 18.5, 18.5–24.9, ≥ 25 kg/m2)