Table 4.
Multivariable logistic regression analysis for predictors of undergoing genetic testing
| Variables | Any genetic testing | Ancestry testing | Personal trait | Specific disease | Prenatal | Other genetic testing |
|---|---|---|---|---|---|---|
| adjusted OR (CI) | adjusted OR (CI) | adjusted OR (CI) | adjusted OR (CI) | adjusted OR (CI) | adjusted OR (CI) | |
| Gender | ||||||
| Male | Reference | Reference | Reference | Reference | Reference | Reference |
| Female | 1.42 (1.23–1.65) | 0.98 (0.81–1.14) | 0.85 (0.64–1.13) | 0.62 (0.51–0.76) | 0.31 (0.23–0.42) | 1.15 (0.39–3.33) |
| Age | ||||||
| 18–34 years | Reference | Reference | Reference | Reference | Reference | Reference |
| 35–49 years | 1.40 (1.12–1.76) | 0.85 (0.64–1.12) | 0.88 (0.59–1.32) | 0.53 (0.38–0.74) | 0.87 (0.63–1.21) | 0.36 (0.03–3.46) |
| 50–64 years | 1.09 (0.87–1.37) | 0.81 (0.61–1.12) | 0.99 (0.65–1.51) | 0.50 (0.36–0.70) | 3.25 (2.21–4.78) | 0.31 (0.03–2.98) |
| 65–74 years | 0.93 (0.71–1.22) | 0.77 (0.56–1.07) | 1.36 (0.79–2.34) | 0.55 (0.38–0.82) | 11.05 (5.83–20.95) | 0.94 (0.06–13.60) |
| Above 75 years | 1.09 (0.78–1.53) | 0.60 (0.40–0.88) | 1.18 (0.58–2.38) | 0.58 (0.36–0.93) | 8.59 (3.81–19.36) | 1.04 (0.04–22.74) |
| Marital status | ||||||
| Single | Reference | Reference | Reference | Reference | Reference | Reference |
| Married | 1.33 (1.11–1.60) | 1.12 (0.90–1.40) | 1.17 (0.83–1.64) | 0.96 (0.74–1.23) | 0.26 (0.18–0.38) | 1.101 (0.22–4.62) |
| Not married anymore | 1.17 (0.94–1.46) | 1.20 (0.92–1.56) | 1.54 (0.97–2.43) | 1.04 (0.78–1.32) | 0.34 (0.22–0.53) | 0.50 (0.10–2.37) |
| Employment status | ||||||
| Unemployment | Reference | Reference | Reference | Reference | Reference | Reference |
| Employment | 0.94 (0.79–1.12) | 1.09 (0.88–1.34) | 0.85 (0.59–1.22) | 1.00 (0.79–1.26) | 0.90 (0.65 (1.26) | 1.34 (0.37–4.79) |
| Education status | ||||||
| <School and graduate school | Reference | Reference | Reference | Reference | Reference | Reference |
| Some college | 0.70 (0.55–0.90) | 1.50 (1.11–2.03) | 2.11 (1.17–3.79) | 0.95 (0.70–1.29) | 2.24 (1.38–3.64) | 1.75 (0.32–9.49) |
| Bachelors | 0.82 (0.68–0.99) | 0.99 (0.79–1.24) | 1.21 (0.83–1.77) | 1.02 (0.79–1.32) | 1.78 (1.25–2.53) | 1.25 (0.36–4.31) |
| Postbaccalaureate | 0.83 (0.69–0.99) | 1.02 (0.82–1.25) | 0.89 (0.84–1.24) | 1.14 (0.89–1.45) | 1.47 (1.09–1.98) | 3.26 (0.65–16.35) |
| Race | ||||||
| Non-Hispanic white | Reference | Reference | Reference | Reference | Reference | Reference |
| Non-Hispanic African American | 0.95 (0.77–1.17) | 1.94 (1.45–2.58) | 1.85 (1.11–3.08) | 0.70 (0.54–0.90) | 0.81 (0.55–1.21) | 2.93 (0.35–23.98) |
| Hispanic | 0.94 (0.77–1.16) | 1.13 (0.89–1.45) | 0.90 (0.62–1.32) | 0.96 (0.73–1.27) | 0.91 (0.65–1.28) | 1.23 (0.25–5.90) |
| Non-Hispanic Asian and other | 0.86 (0.66–1.12) | 1.35 (0.98–1.87) | 1.35 (0.80–2.29) | 1.21 (0.82–1.78) | 0.95 (0.62–1.45) | 0.59 (0.12–2.81) |
| Annual income | ||||||
| Less than 20,000 | Reference | Reference | Reference | Reference | Reference | Reference |
| 20,000 to <35,000 | 0.85 (0.62–1.15) | 1.16 (0.78–1.73) | 1.27 (0.60–2.67) | 1.42 (0.96–2.11) | 1.18 (0.62–2.25) | 3.41 (0.36–32.41) |
| 35,000 to <50,000 | 1.19 (0.88–1.60) | 0.83 (0.57–1.20) | 0.80 (0.41–1.54) | 1.18 (0.80–1.74) | 0.70 (0.39–1.24) | 3.58 (0.37–34.37) |
| 50,000 to <75,000 | 0.96 (0.72–1.28) | 0.86 (0.60–1.23) | 1.00 (0.53–1.90) | 1.28 (0.89–1.85) | 1.18 (0.66–2.10) | 2.67 (0.41–17.11) |
| Above 75,000 | 1.30 (0.99–1.71) | 0.59 (0.42–0.82) | 0.68 (0.37–1.23) | 0.99 (0.70–1.39) | 0.87 (0.51–1.49) | 1.97 (0.38–10.02) |
Bold: significant findings. Outcome variables adjusted with demographic variable.
OR, odds ratio; CI, confidence interval.