Skip to main content

Table 5 Results of the cox proportional hazards regression predicting breastfeeding cessationc

From: Determinants of breastfeeding initiation and cessation among employed mothers: a prospective cohort study

 

Analysis of maximum likelihood estimates

Parameter

Parameter Estimate

SEa

Chi-Square

P Value

Hazard Ratio (95 % CI)

Supervisor Support (Ref. = Somewhat/Strongly Agree)

0.02

0.15

0.02

0.88

1.02 (0.76–1.38)

Coworker Support (Ref. = Somewhat/Strongly Agree)

0.26

0.34

0.59

0.44

1.30 (0.67–2.52)

Prenatal Job Stress

0.01

0.03

0.05

0.83

1.01 (0.95–1.06)

Prenatal Hours Worked per Week

−0.04e−3

0.01

0.00

0.99

1.00 (0.99–1.01)

Leave Status (Ref = On Leave from Work)b

0.38

0.13

9.16

<0.01

1.46 (1.14–1.87)

Longest Paid Leave Possible (days)

0.11e−2

0.12e−2

0.76

0.38

1.00 (0.99–1.00)

Type of Work (Ref. = Clerical)

     

Professional

−0.34

0.12

8.78

<0.01

0.71 (0.56–0.89)

Blue Collar

−0.03

0.13

0.06

0.81

0.97 (0.75–1.26)

  1. aStandard Error
  2. bTime-dependent covariate
  3. cModel was adjusted for maternal age, race/ethnicity, marital status, education, household income, delivery hospital, parity, prenatal smoking, prenatal moods, breastfeeding among friends/family, and pre-pregnancy health; alpha <0.05 was used