Table 3.
Univariable and multivariable logistic regression analysis of factors associated with receiving treatment within one year.
| LPI | IOP-lowering Drops | Cataract Surgery | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Univariable Analysis | Multivariable Analysis | Univariable Analysis | Multivariable Analysis | Univariable Analysis | Multivariable Analysis | ||||
| P value | OR (95% CI) | P value | P value | OR (95% CI) | P value | P value | OR (95% CI) | P value | |
|
| |||||||||
| Sex | |||||||||
| Female | REF | REF | REF | REF | REF | REF | |||
| Male | 0.008 | 0.94 (0.90–0.98) | 0.008 | <0.001 | 1.25 (1.18–1.32) | <0.001 | 0.761 | 0.96 (0.90–1.01) | 0.139 |
|
| |||||||||
| Age | |||||||||
| <40 | <0.001 | 0.57 (0.47–0.69) | <0.001 | 0.003 | 0.60 (0.43–0.83) | 0.003 | 0.148 | 0.60 (0.23–1.33) | 0.250 |
| 40–49 | REF | REF | REF | REF | REF | REF | |||
| 50–59 | <0.001 | 1.29 (1.17–1.42) | <0.001 | <0.001 | 1.44 (1.24–1.69) | <0.001 | <0.001 | 3.53 (2.50–5.14) | <0.001 |
| 60–69 | <0.001 | 1.35 (1.23–1.48) | <0.001 | <0.001 | 2.03 (1.75–2.35) | <0.001 | <0.001 | 9.46 (6.81–13.62) | <0.001 |
| 70–79 | <0.001 | 1.21 (1.09–1.34) | <0.001 | <0.001 | 2.60 (2.23–3.05) | <0.001 | <0.001 | 18.83 (13.51–27.17) | <0.001 |
| 80+ | 0.811 | 1.08 (0.97–1.22) | 0.170 | <0.001 | 3.47 (2.95–4.11) | <0.001 | <0.001 | 29.91 (21.40–43.28) | <0.001 |
|
| |||||||||
| Race | |||||||||
| Asian | <0.001 | 1.38 (1.27–1.50) | <0.001 | <0.001 | 1.54 (1.39–1.71) | <0.001 | <0.001 | 0.92 (0.82–1.03) | 0.142 |
| White | REF | REF | REF | REF | REF | REF | |||
| Black | 0.002 | 0.88 (0.81–0.95) | 0.002 | <0.001 | 1.71 (1.57–1.87) | <0.001 | 0.279 | 0.87 (0.79–0.96) | 0.005 |
| Hispanic | <0.001 | 1.16 (1.09–1.24) | <0.001 | <0.001 | 1.19 (1.10–1.30) | <0.001 | <0.001 | 0.79 (0.72–0.86) | <0.001 |
|
| |||||||||
| Education | |||||||||
| High school or less | REF | REF | REF | REF | REF | REF | |||
| Some college | 0.258 | 1.02 (0.97–1.08) | 0.484 | <0.001 | 0.90 (0.84–0.96) | 0.002 | <0.001 | 0.90 (0.84–0.97) | 0.003 |
| College graduate | <0.001 | 0.86 (0.80–0.93) | <0.001 | <0.001 | 0.89 (0.80–0.98) | 0.014 | <0.001 | 0.83 (0.75–0.92) | <0.001 |
|
| |||||||||
| Income | |||||||||
| <$40K | REF | REF | REF | REF | REF | REF | |||
| $40K-49K | 0.237 | 1.07 (0.98–1.17) | 0.131 | 0.552 | 1.07 (0.96–1.20) | 0.196 | 0.371 | 1.03 (0.92–1.14) | 0.611 |
| $50K-59K | 0.104 | 1.06 (0.98–1.16) | 0.163 | 0.240 | 0.97 (0.87–1.08) | 0.604 | <0.001 | 0.88 (0.79–0.97) | 0.013 |
| $60K-74K | 0.438 | 1.03 (0.95–1.11) | 0.521 | <0.001 | 0.90 (0.81–0.99) | 0.028 | <0.001 | 0.86 (0.78–0.94) | <0.001 |
| $75K-99K | 0.004 | 1.11 (1.03–1.19) | 0.005 | <0.001 | 0.91 (0.83–1.00) | 0.043 | <0.001 | 0.89 (0.81–0.97) | 0.007 |
| $100K+ | 0.009 | 0.99 (0.93–1.06) | 0.845 | <0.001 | 0.85 (0.77–0.93) | <0.001 | <0.001 | 0.74 (0.68–0.81) | <0.001 |
|
| |||||||||
| Location | |||||||||
| Northeast | REF | REF | REF | REF | REF | REF | |||
| South | <0.001 | 1.30 (1.23–1.38) | <0.001 | <0.001 | 1.45 (1.34–1.56) | <0.001 | <0.001 | 1.42 (1.32–1.53) | <0.001 |
| Midwest | <0.001 | 1.49 (1.39–1.59) | <0.001 | 0.403 | 1.11 (1.01–1.21) | 0.025 | <0.001 | 1.38 (1.27–1.50) | <0.001 |
| Mountain | <0.001 | 1.73 (1.56–1.92) | <0.001 | <0.001 | 1.93 (1.69–2.20) | <0.001 | <0.001 | 1.35 (1.18–1.55) | <0.001 |
| Pacific | <0.001 | 1.23 (1.12–1.34) | <0.001 | <0.001 | 1.32 (1.18–1.48) | <0.001 | <0.001 | 1.19 (1.06–1.34) | 0.003 |
|
| |||||||||
| Gonioscopy | |||||||||
| No | REF | REF | REF | REF | REF | REF | |||
| Yes | <0.001 | 1.84 (1.76–1.93) | <0.001 | <0.001 | 1.46 (1.37–1.55) | <0.001 | <0.001 | 1.16 (1.09–1.22) | <0.001 |
|
| |||||||||
| Insurance | |||||||||
| COM HMO/EPO | REF | REF | REF | REF | REF | REF | |||
| COM Other | 0.130 | 0.97 (0.89–1.05) | 0.430 | 0.078 | 1.01 (0.90–1.13) | 0.895 | 0.038 | 1.14 (0.97–1.34) | 0.111 |
| COM PPO | 0.013 | 0.89 (0.74–1.07) | 0.233 | 0.483 | 1.10 (0.86–1.39) | 0.450 | <0.001 | 1.24 (0.91–1.66) | 0.166 |
| MCR HMO/EPO | 0.300 | 1.04 (0.94–1.16) | 0.411 | <0.001 | 0.93 (0.81–1.07) | 0.291 | <0.001 | 1.56 (1.32–1.85) | <0.001 |
| MCR Other | <0.001 | 0.90 (0.82–0.99) | 0.029 | <0.001 | 0.92 (0.81–1.05) | 0.219 | <0.001 | 1.56 (1.33–1.84) | <0.001 |
| MCR PPO | 0.042 | 1.20 (1.07–1.35) | 0.002 | <0.001 | 1.03 (0.88–1.20) | 0.722 | <0.001 | 1.54 (1.29–1.85) | <0.001 |
Statistically significant p-values and odds ratios are bolded.
Abbreviations: OR = odds ratio; CI = confidence interval; REF = reference group; COM = commercial health insurance; MCR = Medicare health insurance; HMO = health maintenance organization; EPO = exclusive provider organization; PPO = preferred provider organization.