Table 3 Relationship between BMI and SA in different models.

From: Gender differences in the association between body mass index and recent suicide attempts in Chinese patients with first-episode drug-naïve major depressive disorder

Variable

n

Non-Adjusted

Adjusted I

Adjusted II

OR (95% CI)

P-value

OR (95% CI)

P-value

OR (95% CI)

P-value

Males

 BMI (kg/m2)

558

0.89 (0.80, 0.99)

0.031

0.88 (0.79, 0.98)

0.020

0.84 (0.74, 0.94)

0.003

BMI category

       

  < 18.5 kg/m2

3

6,846,260.28 (0.00, Inf)

0.975

7,748,200.55 (0.00, Inf)

0.975

8,879,381.13 (0.00, Inf)

0.984

 18.5–23.9 kg/m2

237

1 (reference)

 

1 (reference)

 

1 (reference)

 

 24– 27.9 kg/m2

320

0.56 (0.36, 0.86)

0.008

0.53 (0.34, 0.82)

0.005

0.38 (0.22, 0.64)

 < 0.001

 ≥ 28 kg/m2

28

0.88 (0.34, 2.28)

0.795

0.85 (0.32, 2.26)

0.744

0.44 (0.14, 1.37)

0.158

Females

 BMI (kg/m2)

1130

1.04 (0.96, 1.13)

0.299

1.04 (0.96, 1.12)

0.326

0.97 (0.89, 1.06)

0.541

 BMI category

       

  < 18.5 kg/m2

7

5.90 (1.30, 26.88)

0.022

4.92 (1.06, 22.72)

0.041

7.85 (1.47, 41.84)

0.016

 18.5–23.9 kg/m2

445

1 (reference)

 

1 (reference)

 

1 (reference)

 

 24–27.9 kg/m2

642

1.21 (0.89, 1.64)

0.216

1.18 (0.86, 1.60)

0.301

1.01 (0.70, 1.45)

0.963

  ≥ 28 kg/m2

36

1.70 (0.79, 3.67)

0.174

1.68 (0.77, 3.64)

0.190

1.26 (0.51, 3.11)

0.611

P for interaction

 

0.018

 

0.019

 

0.029

 
  1. BMI, body mass index; CI, confidence interval.
  2. Model I adjusted for age at onset, duration of illness, education.
  3. Model II adjusted for age at onset, duration of illness, education, HAMA, HAMD, TSH, TGAb, TPOAb, FBG, TC, TG, HDL-c, LDL-c, systolic pressure, diastolic pressure.
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