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Table 1 Characteristics of the study subjects (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 n %
City
 Shanghai 2255 44.1
 Beijing 1638 32.0
 Guangzhou 1222 23.9
Age (years)
  < 20 496 9.7
 20–25 3353 65.6
  > 25 1266 24.8
Highest education
 Middle school or below 1465 28.6
 Senior high school 3233 63.2
 College degree or above 417 8.2
Income (RMB-yuan)
  < 3200 1869 36.5
 3200–4800 3099 60.6
  > 4800 147 2.9
Hometown
 Urban 1253 24.5
 Rural 3862 75.5
Years in the working place
  < 1 2237 43.7
 1–5 611 12.0
  > 5 2267 44.3
Tobacco use-past month
 No 4846 94.7
 Yes 269 5.3
Alcohol use-past month
 No 4133 80.8
 Yes 982 19.2
Daily Internet use-past month
 No 4555 89.1
 Yes 560 10.9
Attitude toward premarital pregnancy
 Positive 1046 20.4
 Negative 4069 79.6
Attitude toward multiple induced abortion
 Positive 156 3.0
 Negative 4959 97.0
Rosenberg Self Esteem Scale
 High self-esteem (score > =15) 4514 88.3
 Low self-esteem (score < 15) 601 11.7
GAD-anxiety
 Non-anxiety group (score < 10) 4506 88.1
 Anxiety group (score > =10) 609 11.9
CESD-depression
 Non-depression group (score < 20) 3615 70.7
 Depression group (score > =20) 1500 29.3
Have had premarital sex
 No 2142 41.9
 Yes 2973 58.1
Have had unplanned pregnancy
 No 4296 84.0
 Yes 819 16.0
Have had induced abortion
 No 4323 84.5
 Yes 792 15.5
Have had suicidal ideation-past year
 No 4697 91.8
 Yes 418 8.2
Have had suicidal plan-past year
 No 5032 98.4
 Yes 83 1.6
Have had suicidal attempt-past year
 No 5064 99.0
 Yes 51 1.0
Variables Mean Std.
Age 23.27 2.78
Rosenberg Self Esteem Scale 18.79 3.77
UCLS Loneliness Scale 4.46 3.94
GAD-anxiety 14.84 3.99
CESD-depression 16.75 9.35