Table 3 Baseline characteristics of primary care centers and patients with reminders in the control and intervention groups
Control group | Intervention group | P value | |
|---|---|---|---|
Patients with reminders | 317,117 | 328,728 | |
Mean age | 66.38 | 66.48 | 0.0047 |
95% CI | (66.33–66.43) | (66.43–66.53) | |
% women | 46.15 | 46.29 | 0.235 |
Mean no. of reminders | 1.48 | 1.49 | 0.0012 |
95% CI | (1.47–1.48) | (1.48–1.49) | |
Mean no. of visits per patient | 1.69 | 1.75 | 0.0000 |
95% CI | (1.68–1.70) | (1.74–1.75) | |
Number of primary care centers | 137 | 132 | |
% rural centers | 36.5 | 46.2 | 0.11 |
% of teaching centers | 21.9 | 25.76 | 0.477 |
Mean no. of patients >14 assigned | 16,279.81 | 17,429.42 | 0.2377 |
95% CI | (14,920.39–17,639.23) | (16,072.79–18,786.04) | |
% population served | 70.7 | 71.23 | 0.4716 |
95% CI | (69.69–71.74) | (70.26–72.19) | |
Mean no. of patients per general practitioner | 1337.21 | 1373.31 | 0.2565 |
95% CI | (1296.99–1377.43) | (1324.85–1421.77) | |
Frequency of visits per patient per year | 6.85 | 6.99 | 0.4669 |
95% CI | (6.59–7.11) | (6.72–7.27) | |
Mean no. of general practitioners per center | 11.97 | 12.52 | 0.3943 |
95% CI | (11.05–12.89) | (11.65–13.39) | |
Mean no. of nurses per center | 12.73 | 13.18 | 0.4899 |
95% CI | (11.78–13.67) | (12.27–14.1) |