TABLE 5

Breastfeeding Outcomes at 2 Weeks

StudyCategoryType of BreastfeedingTime PointInterventionControlRR (95% CI); P
n/N%n/N%
Dungy et al, 199221aBreast pumpsUnclear2 wk32/4472.723/4353.51.36 (0.98–1.90); .063
Sciacca et al, 199528,29Breast pumps, gifts, vouchers, football tickets, and raffle giftsExclusive2 wk21/2680.810/2934.52.34 (1.37–4.00); <.001
Sciacca et al, 199528,29Breast pumps, gifts, vouchers, football tickets, and raffle giftsAny2 wk25/2696.223/2979.31.21 (0.99–1.48); .061
Zimmerman, 1999,33 year 1Gift items and vouchersExclusive2 wk44/15428.637/18619.91.44 (0.98–2.10); .061
Zimmerman,1999,33 year 1Gift items and vouchersAny2 wk79/15451.365/18634.91.47 (1.14–1.88); .002
Zimmerman, 1999,33 year 2Gift items and vouchersExclusive2 wk115/38929.637/18619.91.49 (1.07–2.06); .014
Zimmerman, 1999,33 year 2Gift items and vouchersAny2 wk220/38956.665/18634.91.62 (1.31–2.01); <.001
  • CI, confidence interval; RR, relative risk.

  • a Control group received infant formula (a potential disincentive to breastfeed).