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Table 3 Multiple logistic regression of past-year suicidal ideation associated with induced abortion (N = 5115)

From: Association between induced abortion and suicidal ideation among unmarried female migrant workers in three metropolitan cities in China: a cross-sectional study

Variables Suicidal ideation-past year
OR (95% CI)
Model 1 Model 2 Model 3
Demographic characteristics
Age (years)
  < 20 1 1 1
 20–25 0.77(0.55–1.06) 0.77(0.55–1.08) 0.74(0.53–1.05)
  > 25 0.93(0.65–1.34) 0.96(0.66–1.41) 0.96(0.65–1.41)
Highest education
 Middle school or below 1 1 1
 Senior high school 0.66(0.54–0.83)** 0.70(0.56-0.88)** 0.70(0.56-0.88)**
 College degree or above 0.73(0.49–1.08) 0.78 (0.51–1.19) 0.79(0.52–1.21)
Years in the working place
  < 1 1 1 1
 1–5 0.82(0.60–1.13) 0.87(0.62–1.21) 0.85(0.61–1.19)
  > 5 0.66(0.53–0.82)** 0.60(0.47-0.75)** 0.58(0.46-0.73)**
Psychosocial characteristics
Tobacco use-past month
 No   1 1
 Yes   0.22(0.12–0.39)** 0.21(0.12-0.38)**
Alcohol use-past month
 No   1 1
 Yes   1.63(1.25–2.13)** 1.64(1.25-2.14)**
Daily Internet use-past month
 No   1 1
 Yes   1.64 (1.21–2.22)** 1.63(1.20-2.21)**
Attitude toward premarital pregnancy
 Positive   1 1
 Negative   0.89(0.69–1.16) 0.88(0.68–1.14)
Attitude toward multiple induced abortion
 Positive   1 1
 Negative   0.71(0.43–1.18) 0.75(0.45–1.24)
Rosenberg Self Esteem Scale
 High self-esteem (score > =15)   1 1
 Low self-esteem (score < 15)   1.95(1.49–2.55)** 1.85(1.39-2.45)**
UCLS Loneliness Scale
 Low loneliness (score < =17)   1 1
 High loneliness (score > 17)   3.64(2.92–4.53)** 3.17(2.49-4.04)**
Mental disorders
GAD-anxiety
 Non-anxiety (score < 10)    1
 Anxiety (score > =10)    0.85(0.62–1.16)
CESD-depression
 Non-depression (score < 20)    1
 Depression (score > =20)    1.50(1.16–1.93)**
Induced abortion
 No 1 1 1
 Yes 1.97(1.56–2.50)** 1.89(1.46-2.45)** 1.89(1.46-2.44)**
Nagelkerke R Square 0.028 0.136 0.140
  1. **P < 0.05