Table 4.

Baseline and 12-mo prolactin geometric means for exercisers by adherence (minutes per week of moderate to vigorous exercise)

NProlactin (ng/mL), geometric mean (95% CI)Change from baselineP*
<250 min/wk
    Baseline297.00 (5.83-8.41)
    12 mo287.18 (6.07-8.48)+0.18Ref.
250-300 min/wk
    Baseline306.93 (5.99-8.01)
    12 mo296.13 (5.54-6.78)−0.800.69
>300 min/wk
    Baseline276.76 (5.72, 7.97)
    12 mo276.87 (5.72-8.26)+0.110.75
  • * P value compares the change in prolactin concentrations between baseline and 12 mo to the same change in women who exercised <250 min/wk.