Table 5. Test-retest reliability of key CHIWOS variables.
Demographic Characteristics | Kappa*/ICC# | 95% CI of Kappa statistic or ICC | Strength of agreement |
---|---|---|---|
Age at interview | 1 | (1, 1) | Almost Perfect |
Gender identity | 0.78 | (0.37, 1.00) | Substantial |
Sexual orientation | 1 | (1, 1) | Almost Perfect |
Ethnicity | 0.93 | (0.79, 1.00) | Almost Perfect |
Ever incarcerated | 1 | (1, 1) | Almost Perfect |
Injection drug use history (ever) | 0.96 | (0.88, 1.00) | Almost Perfect |
Clinical characteristics | |||
HCV co-infection | 0.93 | (0.79, 1.00) | Almost Perfect |
HBV co-infection | 0.72 | (0.36, 1.00) | Substantial |
Median years living with HIV | 0.93 | (0.86, 0.97) | NA |
Received HIV medical care in last year | 1 | (1, 1) | Almost Perfect |
Currently taking ART | 1 | (1, 1) | Almost Perfect |
Undetectable viral load (self-report) | 1 | (1, 1) | Almost Perfect |
Most recent CD4 (self-report) | 0.71 | (0.41, 1.00) | Substantial |
Perceived women-centred care by HIV Doctor or Clinic | |||
Perceive care by HIV doctor to be women-centred | 0.67 | (0.41, 0.93) | Substantial |
Perceive care at HIV clinic to be women-centred | 0.6 | (0.32, 0.88) | Moderate |
Women-centred care is important to me | 0.49 | (0.16, 0.81) | Moderate |
Satisfied with the care received from HIV doctor | 0.8 | (0.69, 1.00) | Substantial |
Satisfied with the care received from HIV clinic | 0.86 | (0.75, 1.00) | Almost Perfect |
Care satisfaction depends on how women-centred it is | 0.66 | (0.40, 0.93) | Substantial |
CHIWOS, Canadian HIV Women’s Sexual and Reproductive Health Cohort Study; CI, confidence intervals; ICC, intraclass correlation coefficient
Note:
*Standard Kappas were calculated for nominal variables, weighted Kappas for ordinal variables and prevalence adjusted Kappa for rare observations.
#ICCs were calculated for continuous variables; strength of agreement not available.