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Table 1 Regression results for prediction of annual percent change in breastfeeding, 1973–2000

From: Infant feeding and the media: the relationship between Parents' Magazine content and breastfeeding, 1972–2000

Explanatory variable

B

SE B

Number of hand feeding ads (prior year)

-.20*

.07

Number of hand feeding articles (prior year)

.35

.71

Number of breastfeeding articles (prior year)

.61

.41

  1. Note. Breastfeeding initiation figures come from the Ross Laboratories Mothers Survey [24] and were entered with a one-year time lag relative to advertisements. For example, advertising in 1972 was used to predict a change in breastfeeding initiation that was measured in the 1973 annual study. In the table, B refers to the unstandardized regression coefficient. R2 for the model was .27 and n = 28 (years). * p < .05.