TABLE 2.
Breast Milk Expressiona Practices by Study Arm
| Follow-up | Pump Group n (%) | Book Group n (%) | Difference in Percentages (95% CI) | P valueb |
|---|---|---|---|---|
| 6-wk follow-up (n = 37) | ||||
| Manual pumpc | 13/19 (68) | 5/172 (29) | 39 (5.5-65.2) | .04 |
| Electric pump | 5/19 (26) | 10/18 (56) | −29.2 (–56.4 to 3.2) | .1 |
| Hand expression | 8/19 (42) | 5/18 (28) | 14.3 (–17.1 to 44.2) | .5 |
| 12-wk follow-up (n = 31) | ||||
| Manual pump | 8/16 (50) | 5/15 (33) | 16.7 (–19.2 to 48.6) | .5 |
| Electric pump | 5/16 (31) | 9/15 (60) | −28.8 (–59.3 to 7.9) | .2 |
| Hand expression | 5/16 (31) | 6/15 (40) | −8.8 (–41.6 to 25.7) | .7 |
a
Participants could choose more than 1 human milk expression method.
b
Estimated by Fisher exact test.
c
One participant completed 6-wk questionnaire but left this item blank.