Table 2.
Adjusted Relationship between Patient and Visit Characteristics and CRC Screening (N = 1101)
| Base | Health Belief Model Constructs Added | ||||||
|---|---|---|---|---|---|---|---|
| Knowledge | Barriers | Self-efficacy | Readiness | Talk to provider | Full Model | ||
| OR (95% C.I.) | OR (95% C.I.) | OR (95% C.I.) | OR (95% C.I.) | OR (95% C.I.) | OR (95% C.I.) | OR (95% C.I.) | |
| Age | 0.95 (0.93,0.98) | 0.95 (0.93,0.98) | 0.96 (0.93,0.98) | 0.96 (0.94,0.99) | 0.95 (0.93,0.98) | 0.96 (0.93,0.98) | 0.96 (0.93,0.99) |
| Female | 0.85 (0.62,1.15) | 0.84 (0.62,1.14) | 0.87 (0.64,1.18) | 0.84 (0.61,1.14) | 0.83 (0.60,1.13) | 0.87 (0.64,1.19) | 0.82 (0.60,1.14) |
| Race/Ethnicity (reference group = non-Hispanic white) | |||||||
| Hispanic | 1.61 (0.96,2.69) | 1.65 (0.99,2.78) | 1.59 (0.94,2.67) | 1.53 (0.91,2.59) | 1.71 (1.00,2.93) | 1.53 (0.91,2.58) | 1.62 (0.93,2.81) |
| Black | 0.82 (0.05,14.03) | 0.97 (0.06,16.98) | 0.71 (0.04,12.18) | 0.29 (0.02,5.10) | 0.45 (0.03,7.93) | 0.72 (0.04,14.18) | 0.26 (0.01,5.16) |
| Other | 0.86 (0.40,1.84) | 0.88 (0.41,1.89) | 0.87 (0.40,1.86) | 0.89 (0.41,1.91) | 0.86 (0.39,1.88) | 0.83 (0.38,1.78) | 0.90 (0.41,1.98) |
| Language/Ethnicity (reference group = English/non-Hispanic) | |||||||
| English/Hispanic | 1.62 (0.09,27.87) | 1.39 (0.08,24.33) | 1.94 (0.11,33.56) | 4.44 (0.25,79.16) | 2.91 (0.16,51.59) | 1.78 (0.09,35.08) | 4.84 (0.24,96.10) |
| Spanish/Hispanic | 2.33 (0.14,38.13) | 1.94 (0.12,32.37) | 2.84 (0.17,46.67) | 6.34 (0.37,107.53) | 3.92 (0.23,65.96) | 2.50 (0.13,47.09) | 6.54 (0.35,123.59) |
| Education level (reference group = some high school) | |||||||
| High school | 0.73 (0.43,1.24) | 0.72 (0.42,1.23) | 0.71 (0.41,1.22) | 0.67 (0.39,1.15) | 0.63 (0.37,1.10) | 0.71 (0.42,1.23) | 0.59 (0.34,1.04) |
| Some college | 1.07 (0.64,1.77) | 1.03 (0.62,1.71) | 1.04 (0.62,1.73) | 0.98 (0.58,1.64) | 0.98 (0.58,1.64) | 0.93 (0.56,1.57) | 0.85 (0.50,1.44) |
| College | 0.85 (0.48,1.49) | 0.81 (0.46,1.44) | 0.79 (0.45,1.41) | 0.79 (0.44,1.40) | 0.81 (0.46,1.45) | 0.79 (0.45,1.41) | 0.73 (0.40,1.33) |
| Graduate | 1.12 (0.62,2.01) | 1.02 (0.56,1.86) | 1.03 (0.57,1.87) | 1.06 (0.59,1.92) | 0.97 (0.53,1.77) | 1.05 (0.58,1.90) | 0.86 (0.46,1.61) |
| No insurance | 0.45 (0.28,0.74) | 0.45 (0.28,0.73) | 0.44 (0.27,0.72) | 0.45 (0.28,0.74) | 0.45 (0.27,0.73) | 0.47 (0.29,0.76) | 0.45 (0.27,0.74) |
| Health status | 0.81 (0.70,0.95) | 0.83 (0.71,0.97) | 0.80 (0.69,0.94) | 0.83 (0.71,0.98) | 0.85 (0.72,0.99) | 0.84 (0.72,0.99) | 0.87 (0.74,1.03) |
| Prior screening | 1.45 (1.05,2.00) | 1.44 (1.04,1.98) | 1.46 (1.06,2.02) | 1.42 (1.02,1.97) | 1.47 (1.05,2.04) | 1.49 (1.08,2.06) | 1.50 (1.06,2.11) |
| Knowledge | 1.06 (0.99,1.13) | 1.06 (0.99,1.14) | |||||
| Barriers | |||||||
| FOBT | 0.80 (0.60,1.06) | 0.91 (0.66,1.25) | |||||
| Colonoscopy | 1.55 (1.16,2.09) | 1.12 (0.80,1.56) | |||||
| Self-efficacy | |||||||
| FOBT | 0.93 (0.81,1.07) | 0.92 (0.79,1.07) | |||||
| Colonoscopy | 1.46 (1.25,1.70) | 1.32 (1.12,1.56) | |||||
| Plan for screening | 3.22 (2.36,4.41) | 2.72 (1.94,3.80) | |||||
| Discuss with MD | 2.32 (1.67,3.20) | 1.59 (1.12,2.25) | |||||
|
Model Fit: AUC |
67.8% | 67.8% | 68.3% | 70.4% | 73.0% | 70.3% | 75.5% |
Abbreviations: CRC=colorectal cancer, OR=odds ratio; FOBT=fecal occult blood test; AUC=area under curve