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Table 3 Descriptive statistics and reliability of the SPI and each subdomain (n = 451)

From: Development of a questionnaire to measure primary care physicians’ scope of practice

SPI/Subdomains

Mean (SD)

Range

Cronbachs’ alpha

Intraclass correlation coefficient

SPI (total)

36.00 (15.67)

0–68

0.96

0.96

Inpatient care

11.93 (8.31)

0–25

0.95

0.97

Urgent carea

9.85 (8.09)

0–27

0.94

0.96

Ambulatory care

14.22 (2.88)

0–16

0.87

0.87

  1. aUrgent care and minor procedures