Table 3.

Dermal carotenoid measurements and severity of anxiety

SCS range*	#Subjects/group	N with GAD ≥ 10†	% With anxiety
10–20	26	10	38%
21–30	32	7	22%
31–40	23	9	39%
41–50	13	4	31%
51–60	3	0	0%
61–70	3	0	0%
71–80	2	1	50%

^*SCS value is the measurement × 1000, as per convention. p Value ranges are given in table 3.

^†Anxiety with 10 or higher on GAD-7 (moderate anxiety and above).

GAD-7, Generalized Anxiety Disorder 7-item; SCS, skin carotenoid score.