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Table 5 Summary statistics for logistic regression to identify factors associated with pregnancy-related hospital admissions

From: Age, mode of conception, health service use and pregnancy health: a prospective cohort study of Australian women

   Step 1 Step 2 Step 3 Step 4 Step5
  Reference category Adj OR Adj OR Adj OR Adj OR Adj OR 95% C.I. for Adj OR
Country of birth: Other Australia 0.525* 0.52* 0.569 0.567 0.567 0.312 1.032
Language at home: Other English only 1.269 1.205 1.262 1.143 1.143 0.593 2.204
Marital status: Single or de facto Married 1.008 1.01 1.064 1.058 1.058 0.585 1.913
Occupational status: No paid employment In paid employment   1.742* 1.464 1.419 1.419 0.84 2.398
Health insurance: None Yes   0.929 0.772 0.719 0.729 0.397 1.337
Mode of conception: ARTC SC    1.605 1.662 1.662 0.977 2.827
Age group: 31-36 Up to 30    1.068 1.041 1.041 0.572 1.894
Age group: 37 and older Up to 30    1.069 1.091 1.091 0.579 2.057
Expecting: Multiples Singleton    3.159** 2.502* 2.502* 1.068 5.861
PCS score      0.971* 0.971* 0.945 0.998
Anxiety State score      1.016 1.016 0.989 1.044
Nagelkerke R 2   0.016 0.03 0.064 0.079 0.083
  1. Adj OR=Adjusted Odds Ratios; C.I.=Confidence Interval; PCS=Physical Component Summary.
  2. *p<0.05; **p<0.01; ***p<0.001.