The Efficacy and Safety of Zaoren Anshen Capsule in Combination with Zolpidem for Insomnia: A Multicentre, Randomized, Double-Blinded, Placebo-Controlled Trial

Table 1

Participant characteristics by group.

Demographics	ZA + Z5 (N = 32)	Z5 (N = 35)	Z10 (N = 32)	ZA (N = 32)	Statistics	values
Age (y) mean (SD)	48 (12)	44 (13)	47 (14)	51 (13)	F = 1.58	0.20
Height (cm) mean (SD)	164 (8)	162 (7)	163 (8)	163 (7)	F = 0.23	0.88
Weight (kg) mean (SD)	58 (9)	56 (8)	59 (11)	61 (9)	F = 1.68	0.17
Sex					χ^2 = 1.91	0.59
Male	10	10	14	11
Female	22	25	18	21