Wion RK, Hill NL, Mogle J, Bhargava S, Berish D, Kolanowski A. Scoring of leisure activities for older adults according to cognitive, physical, and social components. Res Gerontol Nurs. 2020 Jan 1;13(1):13-20. doi: 10.3928/19404921-20191022-01
Rothman KJ. Computation of exact confidence intervals for the odds ratio. Int J Biomed Comput. 1975 Jan;6(1):33-9.
Rothman KJ. Computer analysis for case-control studies with individual matching. Int J Biomed Comput. 1974 Oct;5(4):241-7.