Table 2.

Mean and standard deviation of age, BMI, reflection spectroscopy (RS) scores, CV of RS scores, and self-reported consumption of fruits and vegetables as reported on the National Cancer Institute (NCI) Fruit and Vegetable Screener (F&V Screener), stratified by African American v. non-African American (Study 1), Eastern North Carolina, USA, February–April 2017

	African Americans (n 309)		Non-African Americans (n 160)
	Mean	SD	Mean	SD
Age (years)	44·6	14·2	40·6	16·4
BMI (kg/m2)	30·5	8·4	29·0	6·7
RS score (mean of three readings)	239·0	85·8	225·4	87·8
RS score (mean of two readings)	241·1	87·5	225·4	88·1
CV for the RS device (three readings)	6·8	8·2	6·7	8·1
CV for the RS device (two readings)	5·6	8·3	5·7	11·1
Daily servings of fruit (NCI F&V Screener)	1·8	2·3	2·1	2·2
Daily servings of vegetables (NCI F&V Screener)	1·9	1·8	2·2	2·2