Table 2

Sample size calculations from various variables

NoVariablesσρµ1–µ2DeffNon-respondent (30%)Attrition rate (20%)
1UI Severity
ICIQ-UI SF64
2.560.052.524.288212
2Quality of Life
ICIQLuts Qol64
4.950.053.714.2153368
3Knowledge PFMT653.4*0.054.674.245108
4Attitude PFMT653.7*0.053.774.282198
5Practices PFMT651.73*0.053.454.22252
  • *SD using Lemeshow et al66 calculation.

  • ICIQ-UI SF, International Consultation on Incontinence Questionnaire-Urinary Incontinence-Short Form; PFMT, pelvic floor muscle training; QoL, quality of life.