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Table 3 The results of linear mixed effects model

From: Analysis of the regional difference in the number of multi-drug prescriptions and its predictors in Japan, 2015–2018

Variable SPRC (95% CI) p-value
Medical institutions   
 Number of hospitals per 100,000 persons 0.190 (− 0.095, 0.477) 0.216
 Number of medical clinics per 100,000 persons − 0.075 (− 0.294, 0.144) 0.522
 Number of pharmacies per 100,000 persons 0.124 (− 0.024, 0.285) 0.106
Socioeconomic factors   
 Population density (person per hectare) 0.060 (− 0.268, 0.389) 0.733
 Proportion of non-Japanese persons 0.011 (− 0.189, 0.203) 0.914
 Number of public assistance recipients per 1000 persons 0.244 (0.027, 0.461) 0.038
 Taxable income per capita (unit: 1000 yen) − 0.045 (− 0.318, 0.222) 0.752
 Financial capability index − 0.098 (− 0.343, 0.159) 0.458
Physical characteristics   
 Proportion of persons whose HbA1c (NGSP) ≥ 6.5 (%) 0.018 (− 0.037, 0.073) 0.546
 Proportion of persons whose systolic BP ≥ 140 (mmHg) 0.020 (− 0.062, 0.100) 0.640
 Proportion of persons whose BMI ≥ 25 (kg/m2) 0.028 (− 0.106, 0.163) 0.697
 Proportion of persons whose triglycerides ≥ 150 (mg/dl) − 0.021 (− 0.158, 0.111) 0.763
 Proportion of elderly persons requiring support or nursing care 0.026 (− 0.079, 0.133) 0.646
  1. SPRC standardized partial regression coefficient, CI confidence intervals, NGSP National Glycohemoglobin Standardization Program, BP blood pressure, BMI body mass index