Table 2 Correlations of factors with internal and external pressure to provide milk
From: Pressure to provide milk among mothers of very low birth weight infants: an explorative study
Variables | Maternal age | Education | Experience with pumping | Milk volume | PSS:NICU (subscale role alteration) | Availability donor milk |
|---|---|---|---|---|---|---|
Internal pressure to provide milk | rs = 0.0238; p = 0.605 | rs = 0.005; p = 0.904 | X2 = 17.398; p = 0.004; Cramer ́s V = 0.185 | rs = 0.2017; p = 0.000 | rs = -0.2865; p = 0.000 | X2 = 2.111 p = 0.834 |
Maternal age | - | rs = 0.2363; p = 0.000 | X2 = 50.216; p = 0.009; K = -0.124 | rs = -0.1646; p = 0.000 | rs = -0.169; p = 0.001 | X2 = 40.251 p = 0.080 |
Education | rs = 0.2363; p = 0.000 | - | X2 = 0.2023; p = 0.975 | rs = 0.0964; p = 0.033 | rs = -0.1085; p = 0.027 | X2 = 3.971 p = 0.410 |
Experience with pumping | X2 = 50.216; p = 0.009; Cramer´s V = 0.322 | X2 = 0.2023; p = 0.975 | - | X2 = 7.7170; p = 0.103 | X2 = 32.9691; p = 0.082 | X2 = 0.051 p = 0.821 |
Milk volume 14 days p.p | rs = -0.1646; p = 0.000 | rs = 0.0964; p = 0.033 | X2 = 7.717; p = 0.103 | - | rs = -0.0190; p = 0.701 | X2 = 10.352 p = 0.035; Cramer´s V = 0.145 |
PSS:NICU (subscale role alteration) | Pearson´s Correlation = -0.169; p = 0.001 | rs = -0.1085; p = 0.027 | X2 = 32.9691; p = 0.082 | rs = -0.0190; p = 0.701 | - | X2 = 32.671 p = 0.087 |
Availability donor milk | X2 = 40.251 p = 0.080 | X2 = 3.971 p = 0.410 | X2 = 0.051 p = 0.821 | X2 = 10.352 p = 0.035; Cramer´s V = 0.145 | X2 = 32.671 p = 0.087 | - |
External pressure to provide milk | rs = -0.0134; p = 0.769 | rs = -0.0434; p = 0.332 | X2 = 13.047; p = 0.023; Cramer´s V = 0.160 | rs = 0.2991; p = 0.000 | rs = -0.1478, p = 0.002 | X2 = 14.410 p = 0.013; Cramer´s V = 0.169 |