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Table 3 Factors associated with repeat abortion of participants

From: Repeat abortion and associated factors among women seeking abortion services in northwestern China: a cross-sectional study

Variablesa Repeat abortion (0 = no, 1 = yes) P-valueb
β S.E. OR (95% CI)
Age of participants (ref = ≤30 years)
 31–35 years 0.31 0.12 1.37 (1.08–1.73) 0.009
 ≥ 36 years 0.60 0.18 1.82 (1.29–2.57) 0.001
Education of participants (ref = bachelor or above)
 ≤ Senior high school 0.62 0.14 1.86 (1.42–2.43) < 0.001
 Junior college 0.38 0.12 1.46 (1.17–1.83) 0.001
Occupation of participants (ref = student)
 Jobless 0.90 0.38 2.46 (1.18–5.13) 0.017
Parity of participants (ref = no children)
 One child 0.43 0.17 1.54 (1.10–2.17) 0.013
 ≥ Two children 0.34 0.19 1.40 (0.96–2.03) 0.077
Cognition of adverse health effects of having an abortion of participants (ref = know well)
 General 0.47 0.11 1.60 (1.28–1.98) < 0.001
 Don’t know 0.92 0.11 2.51 (2.02–3.11) < 0.001
Age of participants’ sexual partners (ref = ≤30 years)
 31–35 years 0.29 0.12 1.33 (1.06–1.68) 0.015
 ≥ 36 years 0.76 0.16 2.13 (1.56–2.91) < 0.001
Education of participants’ sexual partners (ref = bachelor or above)
 ≤ Senior high school 0.50 0.13 1.66 (1.28–2.15) < 0.001
 Junior college 0.32 0.12 1.38 (1.10–1.74) 0.004
Income per month of participants’ sexual partners (ref = ≤4500 Yuan)
 4501–6000 Yuan 0.08 0.10 1.08 (0.89–1.31) 0.450
 ≥ 6001 Yuan 0.29 0.11 1.34 (1.08–1.65) 0.007
Willingness to use contraception of participants’ sexual partners (ref = very strong)
 Strong 0.14 0.09 1.14 (0.95–1.37) 0.148
 General 0.17 0.12 1.19 (0.94–1.50) 0.145
 Weak or very weak 1.92 0.53 6.84 (2.42–19.33) < 0.001
Contraceptive use at the time of conception (ref = nonuse)
 Condom 0.28 0.10 1.33 (1.09–1.61) 0.004
 Rhythm 0.12 0.13 1.12 (0.88–1.44) 0.360
 Withdrawal 0.36 0.13 1.43 (1.12–1.84) 0.005
 Emergency 0.39 0.15 1.48 (1.09–1.99) 0.011
 Other 0.13 0.26 1.14 (0.68–1.91) 0.615
  1. aIndependent variables in the logistic regression model included participants’ age, education, residence status, migrant status, occupation, marital status, parity, and cognition of possible adverse health effects of having an abortion, participants’ sexual partners’ age, education, occupation, income per month, and willingness to use contraception, and contraceptive use at the time of conception. However, considering the table size, here we just reported the results for these significant variables
  2. b Model fit information: p-value of omnibus tests of model coefficients < 0.001, −2LL = 4048.481, Cox & Snell R2 = 0.147, Nagelkerke R2 = 0.197, p-value of Hosmer-Lemeshow goodness-of-fit test = 0.152