Table 1.
Characteristics of survey participants and predictors of willingness to provide a sample to the KPCO biobank
| Participant characteristics | Number of patients (%), N = 203 | Unadjusted odds ratio (95 % CI)a | Adjusted odds ratio (95 % CI)b | p value |
|---|---|---|---|---|
| Age | ||||
| ≤40 | 51 (25) | Ref | Ref | |
| 41–60 | 72 (36) | 2.58 (1.21–5.52) | 2.03 (0.87–4.73) | 0.10 |
| 61+ | 80 (39) | 3.92 (1.76–8.73) | 2.73 (1.10–6.76) | 0.03 |
| Gender | ||||
| Male | 71 (35) | Ref | Ref | |
| Female | 132 (65) | 1.26 (0.67–2.37) | 1.47 (0.70–3.07) | 0.31 |
| Race/ethnicity | ||||
| White | 159 (78) | Ref | Ref | |
| Other | 44 (22) | 0.43 (0.21–0.86) | 0.46 (0.21–1.04) | 0.06 |
| Education | ||||
| More than college | 43 (21) | Ref | Ref | |
| College graduate | 57 (28) | 1.14 (0.48–2.70) | 1.38 (0.51–3.76) | 0.53 |
| Some college | 70 (35) | 0.78 (0.35–1.75) | 1.12 (0.43–2.91) | 0.81 |
| High school or less | 33 (16) | 1.60 (0.53–4.82) | 1.10 (0.32–3.73) | 0.88 |
| Trust in KPCO (continuous) | 3.58 (2.18–5.88) | 3.39 (2.04–5.64) | <0.0001 |
aLogistic models based on sample size of 192. Four respondents were excluded who did not answer whether they would be willing to contribute a sample to the biobank, and seven respondents were excluded for not answering trust in provider question
bModel adjusted for age at diagnosis, gender, race/ethnicity, education, and trust of provider