Skip to main content
. 2013 May;59(5):e231-e239.

Table 1.

Descriptive statistics for control physicians, course participants matched with control physicians, and course participants not matched with control physicians

VARIABLE CONTROL PHYSICIANS (N = 105), VALUE COURSE PARTICIPANTS MATCHED WITH CONTROL PHYSICIANS (N = 105)
COURSE PARTICIPANTS NOT MATCHED WITH CONTROL PHYSICIANS (N = 33)
VALUE STANDARDIZED DIFFERENCE VALUE STANDARDIZED DIFFERENCE
Mean (SD) age, y 48.6 (10.4) 48.5 (10.4) 0.01 56.6 (9.8) 0.78
Male sex, N (%) 84 (80.0) 84 (80.0) 0 25 (75.8) 0.10
Main specialty, N (%)
  • GPs and family physicians 90 (85.7) 90 (85.7) 0 30 (90.9) 0.15
  • Other 15 (14.3) 15 (14.3) 0 ≤ 5 (9.1) 0.15
Rural residence, N (%) 8 (7.6) 16 (15.2) 0.24 ≤ 5 (6.1) 0.06
Mean (SD) no. of patients 5995 (3620) 5074 (2990) 0.28 8112 (4947) 0.53
Mean (SD) no. of years practising medicine 23.3 (10.6) 21.8 (11.6) 0.13 31.5 (9.7) 0.8
Mean (SD) no. of ODB-eligible patients in year before course 232.5 (189.3) 230.2 (192.5) 0.01 548.5 (333.6) 1.36
Mean (SD) no. of ODB-eligible patients aged 15–64 in year before course 65.7 (53.2) 66.5 (53.9) 0.01 210.3 (157.0) 1.61
Mean (SD) no. of ODB-eligible patients aged ≥ 65 in year before course 166.7 (152.4) 163.6 (157.2) 0.02 338.2 (216.5) 1.01
Median (IQR) no. of opioid prescriptions dispensed in year before course 95 (22–278) 96 (18–273) 0 745 (383–1577) 1.47
Median (IQR) no. of opioid prescriptions dispensed to patients aged 15–64 in year before course 31 (6–118) 43 (9–130) 0.1 558 (145–870) 1.29
Median (IQR) no. of opioid prescriptions dispensed to patients aged ≥ 65 in year before course 42 (10–124) 26 (6–99) 0.08 278 (58–481) 1.12

IQR—interquartile range, ODB—Ontario Drug Benefit.