Table 4.

Validation of ethnic classification using country of birth plus mother tongue (method B), with self-reported ethnicity (from Canadian Community Health Survey) as reference (n = 6499)

Classification by method B	Sensitivity (95% CI)	Specificity (95% CI)	Positive predictive value (95% CI)	Negative predictive value (95% CI)
White	0.87 (0.86–0.89)	0.99 (0.98–0.99)	0.98 (0.97–0.98)	0.93 (0.92–0.94)
South Asian	0.85 (0.83–0.87)	0.97 (0.97–0.98)	0.90 (0.88–0.91)	0.96 (0.95–0.96)
Chinese	0.93 (0.91–0.95)	0.99 (0.99–0.99)	0.97 (0.96–0.98)	0.99 (0.98–0.99)
Black	0.90 (0.88–0.92)	0.97 (0.97–0.98)	0.81 (0.78–0.84)	0.98 (0.98–0.99)
Latin American	0.93 (0.90–0.95)	0.96 (0.96–0.97)	0.64 (0.60–0.68)	0.99 (0.99–0.99)
Filipino	0.90 (0.86–0.93)	0.99 (0.99–0.99)	0.90 (0.87–0.93)	0.99 (0.99–0.99)
West Asian	0.69 (0.62–0.75)	0.98 (0.98–0.98)	0.59 (0.53–0.65)	0.98 (0.98–0.99)
Arab	0.87 (0.82–0.91)	0.98 (0.98–0.99)	0.70 (0.64–0.76)	0.99 (0.99–0.99)
Southeast Asian	0.29 (0.23–0.36)	0.98 (0.98–0.99)	0.47 (0.38–0.56)	0.97 (0.97–0.98)
Korean	0.96 (0.89–0.99)	0.99 (0.99–1.00)	0.97 (0.91–0.99)	0.99 (0.99–0.99)
Japanese	0.90 (0.69–0.98)	0.99 (0.99–1.00)	0.95 (0.75–0.99)	0.99 (0.99–1.00)

CI = confidence interval.