Statistical significance reported on authors’ calculations of the log-incidence difference.
Kitzman, H., Olds, D. L., Sidora, K., Henderson, C. R., Hanks, C., Cole, R., et al. (2000). Enduring effects of nurse home visitation on maternal life course: A 3-year follow-up of a randomized trial. JAMA: The Journal of the American Medical Association, 283(15), 1983–1989.