Table 4.
Association between dental insurance status at diagnosis and frequency of dental visits with stage and T and N classifications.
| Oral & Pharyngeal |
Oral |
Pharyngeal |
||||
|---|---|---|---|---|---|---|
| Cumulative ORa | Cumulative ORa | Cumulative ORa | ||||
| n | (95% CI) | n | (95% CI) | n | (95% CI) | |
| Stage Group (I–IV) | ||||||
| Insurance Status at Diagnosis | ||||||
| Insured | 263 | 1.00 (reference) | 152 | 1.00 (reference) | 111 | 1.00 (reference) |
| Uninsured | 152 | 1.18 (0.76–1.85) | 95 | 1.18 (0.66–2.09) | 57 | 0.97 (0.43–2.19) |
| Frequency of Dental Visits | ||||||
| At least annually | 307 | 1.00 (reference) | 190 | 1.00 (reference) | 117 | 1.00 (reference) |
| Infrequently (every 2–10 years) | 76 | 1.08 (0.63–1.85) | 39 | 1.15 (0.54–2.46) | 37 | 1.02 (0.39–2.63) |
| Rarely or never | 43 | 2.28 (1.02–5.10) | 25 | 9.17 (2.70–31.15) | 18 | 0.40 (0.10–1.54) |
| Ptrend=0.09 | Ptrend = 0.002 | Ptrend = 0.32 | ||||
| T Classification (T1–T4) | ||||||
| Insurance Status at Diagnosis | ||||||
| Insured | 258 | 1.00 (reference) | 148 | 1.00 (reference) | 110 | 1.00 (reference) |
| Uninsured | 150 | 1.12 (0.74–1.69) | 93 | 1.17 (0.68–2.01) | 57 | 0.85 (0.42–1.69) |
| Frequency of Dental Visits | ||||||
| At least annually | 302 | 1.00 (reference) | 186 | 1.00 (reference) | 116 | 1.00 (reference) |
| Infrequently (every 2–10 years) | 74 | 1.82 (1.09–3.05) | 37 | 1.46 (0.69–3.10) | 37 | 2.90 (1.31–6.39) |
| Rarely or never | 43 | 3.24 (1.59–6.57) | 25 | 8.33 (3.00–23.10) | 18 | 0.81 (0.27–2.46) |
| Ptrend < 0.001 | Ptrend < 0.001 | Ptrend = 0.44 | ||||
| N Classification (N0–N3) | ||||||
| Insurance Status at Diagnosis | ||||||
| Insured | 259 | 1.00 (reference) | 148 | 1.00 (reference) | 111 | 1.00 (reference) |
| Uninsured | 151 | 0.96 (0.63–1.46) | 94 | 0.94 (0.53–1.66) | 57 | 0.87 (0.43–1.73) |
| Frequency of Dental Visits | ||||||
| At least annually | 303 | 1.00 (reference) | 186 | 1.00 (reference) | 117 | 1.00 (reference) |
| Infrequently (every 2–10 years) | 76 | 0.90 (0.54–1.50) | 39 | 0.86 (0.41–1.80) | 37 | 0.90 (0.40–2.01) |
| Rarely or never | 42 | 0.99 (0.48–2.05) | 24 | 2.06 (0.77–5.56) | 18 | 0.53 (0.15–1.89) |
| Ptrend = 0.84 | Ptrend = 0.31 | Ptrend = 0.40 | ||||
a
Adjusted for age, sex, race, smoking, alcohol consumption, education and annual household income
b
Cumulative OR was calculated using ordinal logistic regression and represents the association with a 1 –unit increase in stage group (I–IV), T or N, respectively