Table 4.

Multivariate Logistic Regressions: Continuity with a Primary Care Provider

Glycosylated Hemoglobin (≥1)Glycosylated Hemoglobin (≥2)Lipid ProfileEye Examination
VariableOR(95% CI)OR(95% CI)OR(95% CI)OR(95% CI)
OR = odds ratio; CI = confidence interval.
* Compares continuity score of 1.00 with continuity score of 0.00.
† Number of outpatient visits during study year for which diabetes was listed as any of 3 diagnoses.
‡ Reference group is endocrinologist.
§ Reference group is 55-64 years.
# Reference group is male.
¶ For each diabetic complication, comparison is presence vs absence of complication.
# Reference group is nonmetropolitan.
** For each ambulatory diagnostic group (ADG), comparison is presence vs absence of ADG; only ADGs significant at P <.05 for 1 or more outcomes are included in this table.
Continuity*0.730.41-1.331.140.70-1.860.880.53-1.47 0.700.35-1.36
Visits for diabetes, No.1.191.11-1.271.201.14-1.261.030.99-1.08 1.101.04-1.16
Specialty
    Generalist0.550.20-1.520.430.22-0.841.200.67-2.17 0.660.32-1.36
    Mixed0.400.14-1.160.330.16-0.690.780.40-1.52 0.410.18-0.95
    Other0.450.15-1.360.290.13-0.631.410.69-2.88 0.570.24-1.30
Age, years§
    18 - 341.410.62-3.240.800.43-1.500.350.19-0.64 1.100.50-2.44
    35 - 440.930.60-1.430.940.66-1.330.780.54-1.11 0.940.59-1.51
    45 - 540.970.74-1.280.850.68-1.060.810.64-1.02 0.810.59-1.09
Sex||0.900.68-1.190.860.69-1.080.660.52-0.83 0.950.71-1.27
Diabetes complications
    Renal0.610.28-1.300.690.36-1.310.810.43-1.52 1.790.82-3.91
    Retinal1.120.73-1.740.930.67-1.291.010.71-1.44 3.782.56-5.58
    Neurologic1.030.60-1.760.970.64-1.450.790.52-1.19 0.770.46-1.28
    Peripheral vascular1.030.49-2.170.650.36-1.160.850.47-1.54 0.730.35-1.53
Residence#1.340.96-1.881.170.88-1.561.951.47-2.60 1.160.78-1.73
Ambulatory diagnostic groups**
    Time limited: major0.560.39-0.790.700.51-0.950.750.55-1.02 0.910.61-1.38
    Likely to recur: discrete0.860.63-1.160.720.57-0.920.990.77-1.28 0.750.54-1.04
    Chronic medical: stable3.451.73-6.883.371.63-6.984.072.05-8.06 1.500.59-3.79
    Chronic medical: unstable1.140.85-1.511.321.05-1.661.391.09-1.77 1.290.93-1.78
    Chronic specialty: stable—eye1.370.90-2.081.090.80-1.481.080.79-1.4910.237.09-14.77
    Chronic specialty: unstable—eye0.830.60-1.170.960.73-1.261.000.75-1.33 7.405.41-10.13
    Prevention/administrative1.751.34-2.291.641.32-2.051.591.27-2.00 1.110.83-1.49
    Malignancy0.930.56-1.530.910.61-1.350.570.38-0.85 1.490.89-2.51