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. Author manuscript; available in PMC: 2017 Jan 31.
Published in final edited form as: J Hum Lact. 2014 Jun 17;30(4):480–487. doi: 10.1177/0890334414537707

Table 2.

Tests for Categorical Covariates.

Initiated
Breastfeeding
Did Not
Initiate
Breastfeeding
Chi
Square
Test
Breastfeeding
Duration
In Months
Mann-
Whitney U
Test

N = 209 N = 28 N = 237
N % N % p Median Range p
Partner Status
Partner in the home 130 (97.00) 4 (3.00) .00 6.0 0–13 .00
No partner in the home 79 (76.70) 24 (23.30) 2.0 0–13
Ethnicity
European American 114 (96.60) 4 (3.40) .00 6.0 0–13 .00
Ethnic Minority 95 (79.80) 24 (20.20) 3.0 0–13
Infant Gender
Female 104 (86.70) 16 (13.30) .46 3.0 0–13 .29
Male 105 (89.70) 12 (10.30) 3.0 0–13
Prenatal Plans to
Return to Work
Yes 189 (87.90) 26 (12.10) .48a 3.0 0–13 .77
No 19 (95.00) 1 (5.00) 2.0 0–13
Employment Status
6-months postpartum
Employed N/A N/A N/A 4.0 0–13 .07
Not Employed 2.5 0–13
a

Value based on Fisher’s exact test