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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: J Obstet Gynecol Neonatal Nurs. 2016 Jan 11;45(2):143–154. doi: 10.1016/j.jogn.2015.12.001

Table 1.

Mothers’ Demographics for Control and Intervention groups (completed and dropped out)

Variables Control Group N=57 Intervention Completed N=49 Fisher's exact test Intervention Dropped out N= 35 Fisher's exact test

Age n % n % P n % P
    < 20 4 7.0 4 8.2 5 14.3
    20 – 29 25 43.9 17 34.7 19 54.3
    ≥ 30 28 49.1 28 57.1 0.658 11 31.4 0.059
Mean±SD 29.2±6.3 29.9±6.5 26.6±6.6
Race/ethnicity
    Hispanic 3 5.3 1 2.0 1 2.9
    Asian 1 1.9 2 4.0 0 0.0
    Black or African American 15 28.3 9 18.4 12 34.3
    White 36 67.9 36 73.5 21 60.0
    More than one race 1 1.9 2 4.1 0.635 2 5.7 0.375
Income
    Less than $10,000 11 19.3 4 8.2 8 22.9
    $10,000 to < $24,999 11 19.3 4 8.2 4 11.4
    $25,000 - to $49,999 8 14.0 6 12.2 9 25.7
    $50,000 or more 27 47.4 35 71.4 0.065 14 40.0 0.029
Education
    Lower than High school Graduate 19 33.3 15 30.6 13 37.1
    Associate degree 8 14.0 4 8.2 5 14.3
    BA / BS degree 20 35.1 15 30.6 9 25.7
    Graduate degree 10 17.5 15 30.6 0.427 8 22.9 0.673
Occupation
    Homemaker 20 35.1 18 36.7 13 37.1
    Machine operator/ semiskilled Worker 8 14.0 1 2.0 0 0.0
    Clerical/sales, Small business owner, farm owner 5 8.8 4 8.2 4 11.4
    Technicians / semiprofessional 4 7.0 3 6.1 5 14.3
    Mid-level manager or Professional 19 33.3 19 38.8 9 25.7
    Senior manager or Professional 1 1.8 4 8.2 0.212 4 11.4 0.616
Parity
    First infant 33 57.9 21 42.9 20 57.1
    Second infant 16 28.1 16 32.7 12 34.3
    Third infant 6 10.5 8 16.3 3 8.6
    Fourth infant or more 2 3.5 4 8.2 0.393 0 0.0 0.235
Delivery mode
    Vaginal 42 73.7 36 73.5 25 71.4
    Not vaginal 15 26.3 13 26.5 1.000 10 28.6 1.000
Past breastfeeding experience
    < 3 months 9 15.8 3 6.1 4 11.4
    3 - 6 months 5 8.8 8 16.3 3 8.6
    7 - 12 months 8 14.0 8 16.3 4 11.4
    > 1 year 5 8.8 8 16.3 4 11.4
    No experience 30 52.6 22 44.9 0.289 20 57.1 0.608
Breast feeding class
    Yes 30 52.6 27 55.1 23 65.7
    No 27 47.4 22 44.9 0.847 12 34.3 0.373

Note. Fisher's exact test was calculated for the intervention group who completed the study and who dropped out from the study.