Hallie Dau, Esther Nankya, Priscilla Naguti, Miriam Basemera, Beth A Payne, Marianne Vidler, Joel Singer, Avery McNair, Maryam AboMoslim, Laurie Smith, Jackson Orem, Carolyn Nakisige, Gina Ogilvie
The economic burden of cervical cancer on women in Uganda: Findings from a cross-sectional study conducted at two public cervical cancer clinics
PLOS global public health
basic numeracy skills necessary patients understand risks medical treatments previous research used objective measures similar mathematics tests evaluate numeracyto design subjective measure ie selfassessment quantitative ability distinguishes low highnumerate individuals yet less aversive quicker administer usable telephone internet surveys existing numeracy measurespaperandpencil questionnairesthe general public n 703 surveyed 2 hospitalsfortynine subjective numeracy questions compared measures objective numeracyan 8item measure subjective numeracy scale sns developed several rounds testing four items measure peoples beliefs skill performing various mathematical operations 4 measure peoples preferences regarding presentation numerical information sns significantly correlated lipkus others objective numeracy scale correlations 063068 yet completed less time 24 sitem v 31 sitem p 005 perceived less stressful 162 v 269 p 001 less frustrating 192 v 288 p 001 fifty percent participants completed sns volunteered participate another study whereas 8 completed lipkus others scale similarly volunteered odds ratio 1100 95 confidence interval 2145665the sns correlates well mathematical test measures objective numeracy administered less time less burden addition much likely leave participants willing participate additional research shows much lower rates missing incomplete data