Test-Retest Reliability of a Food Frequency Questionnaire to Assess Seafood Intake Dynamics for High-End Consumers in Coastal Gulf of Mexico Communities

Table 3

Weighted kappa coefficients for household members reported by all study participants for seasonal finfish, shrimp, oyster, and blue crab consumption rates. Weighted kappa coefficient for all test-retest outputs was <0.0001.

	Consumption variable	Weighted kappa coefficient	95% CI
Fish	Current season (month)	1.00	0.99‐1.00
	Current season (day)	1.00	0.99‐1.00
	Last season (month)	1.00	0.99‐1.00
	Last season (day)	1.00	0.99‐1.00
Shrimp	Current season (month)	0.74	0.51–0.98
	Current season (day)	0.73	0.49–0.97
	Last season (month)	0.83	0.65–1.00
	Last season (day)	0.82	0.65–1.00
Oyster	Current season (month)	0.97	0.94–1.00
	Current season (day)	0.97	0.93–1.00
	Last season (month)	0.97	0.94–1.00
	Last season (day)	0.97	0.93–1.00
Blue crab	Current season (month)	0.95	0.89–1.00
	Current season (day)	0.94	0.88–1.00
	Last season (month)	0.97	0.95–0.99
	Last season (day)	0.97	0.94–0.99