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Table 2 Multivariate mixed effects model of perceived stress by study group over time

From: Perceived stress and emotional social support among women who are denied or receive abortions in the United States: a prospective cohort study

  Coefficient 95% conf. interval
Study group    
Near Limit Abortion Group ref ref ref
First Trimester Abortion Group -0.57* -1.13 -0.01
Parenting Turnaway Group 1.02** 0.34 1.69
Time    
Months -0.08 -0.16 0.00
Months2 0.002 -0.005 0.008
Months3 0.000 0.000 0.000
Study group by time interactions    
First trimester x months 0.10 -0.03 0.23
First trimester x months2 -0.004 -0.014 0.006
First trimester x months3 0.000 0.000 0.000
Parenting turnaway x months -0.31*** -0.46 -0.15
Parenting turnaway x months2 0.02*** 0.01 0.04
Parenting turnaway x months3 -0.001*** -0.001 0.000
Covariates    
Age 0.126 -0.01 0.06
Race/ethnicity    
White ref ref ref
Black 0.114 -0.08 0.80
Hispanic/Latina 0.660 -0.38 0.61
Other 0.666 -0.68 0.44
Household composition    
No other adult ref ref ref
Male partner 0.041 -0.93 -0.02
Adult relative 0.197 -0.77 0.16
Non-adult relative 0.099 -1.16 0.10
Parity    
Nulliparous ref ref ref
Baby under 1 0.036 0.04 1.23
1+ previous births, no new baby 0.353 -0.24 0.68
2+ previous births, no new baby 0.900 -0.52 0.45
Mother's highest level of education    
<high school ref ref ref
High school or GED 0.443 -0.72 0.31
Associate’s, some college, tech school 0.905 -0.62 0.55
College 0.098 -1.03 0.09
Missing 0.942 -0.68 0.73
School/working status    
Not in school or employed ref ref ref
In school 0.019 -1.18 -0.11
Employed <0.001 -1.14 -0.32
In school and employed 0.020 -1.17 -0.10
History of depression <0.001 1.29 2.15
Experienced violence in past year 0.001 0.30 1.13
History of child abuse/neglect 0.001 0.25 1.04
Model constant 4.74*** 4.09 5.39
  1. *p < .05, **p < .01, ***p < .001. ref = reference group, SD = standard deviation.