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. 2013 Apr 8;13:88. doi: 10.1186/1471-2393-13-88

Table 5.

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

 
 
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 R2   0.016 0.03 0.064 0.079 0.083

Adj OR=Adjusted Odds Ratios; C.I.=Confidence Interval; PCS=Physical Component Summary.

*p<0.05; **p<0.01; ***p<0.001.