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Table 2 Associations between suicidal thoughts and demographic characteristics

From: Anorexia nervosa, depression and suicidal thoughts among Chinese adolescents: a national school-based cross-sectional study

Variables Univariate OR (95% CI) P Value Multivariatea OR (95% CI) P Value
Gender(female) 1.42(1.25, 1.62) <0.001 1.89(1.59,2.23) <0.001
Grade(Senior) 0.99(0.87, 1.12) 0.870 0.67(0.56,0.79) <0.001
Smoking(Yes) 1.97(1.71,2.27) <0.001 1.97(1.63,2.37) <0.001
Academic achievement
 Good 1.00 - 1.00 -
 Average 1.12(0.97, 1.30) 0.120 0.93(0.79,1.11) 0.450
 Below average 1.64(1.38, 1.94) <0.001 1.10(0.89,1.36) 0.390
Living arrangement
 Two biological parents 1.00 - 1.00 -
 Biological father or mother 1.76(1.46, 2.12) <0.001 1.18(0.82,1.70) 0.370
 Others 1.53(1.29, 1.81) <0.001 0.97(0.77,1.21) 0.790
Family socioeconomic status
 High 1.00 - 1.00 -
 Average 0.69(0.53,0.89) 0.005 0.76(0.55,1.05) 0.100
 Low 1.06(0.80,1.41) 0.680 0.89(0.62,1.28) 0.550
Relationship with parents
 Good 1.00 - 1.00 -
 Average 2.45(1.97,3.05) <0.001 1.61(1.26,2.05) <0.001
 Poor 3.95(2.55,6.11) <0.001 1.84(1.12,3.03) 0.020
Relationship with classmates
 Good 1.00 - 1.00 -
 Average 1.56(1.37,1.78) <0.001 1.28(1.08,1.50) 0.003
 Poor 3.59(2.65,4.86) <0.001 1.79(1.23,2.63) 0.003
Feelings about school
 Good 1.00 - 1.00 -
 Average 1.97(1.72,2.25) <0.001 1.41(1.19,1.67) <0.001
 Bad 3.89(3.09,4.90) <0.001 1.77(1.32,2.38) <0.001
Anorexia nervosa
 Never 1.00 - 1.00 -
 Occasionally 1.57(1.33,1.85) <0.001 1.21(0.99,1.46) 0.050
 Sometimes 2.21(1.79,2.72) <0.001 1.25(0.97,1.61) 0.080
 Often 3.99(2.92,5.44) <0.001 1.94(1.32,2.85) 0.001
 Strategies for conflict(Struggle) 1.57(1.34,1.81) <0.001 1.34(1.12,1.59) 0.001
 Depression(yes) 6.58(5.75,7.53) <0.001 5.04(4.31,5.90) <0.001
  1. CI confidence interval, OR odds ratio
  2. aAdjusted for potential confounders, including gender, grade, smoking, academic achievement, living arrangement, SES, relationship with parents and classmates, feeling about school, strategies for conflict and depression