The Effect of Zao Ren An Shen Capsule on Insomnia among Patients with Anxiety: A Randomized Controlled Trial

Table 2

The effect of ZRASC on the ISI and HAMA scores: mixed effect model.

	ISI	HAMA
Treatment (reference group: the control group)
ZRASC group	−0.108 (0.760)	0.593 (0.179)
Time (reference group: baseline)
2-weekfollow-up	−3.269 (0.000)	−3.163 (0.000)
4-weekfollow-up	−2.793 (0.000)	−3.105 (0.000)
Interaction with time (reference group: ZRASC group # baseline)
ZRASC group # 2-weekfollow-up	−0.173 (0.626)	−0.748 (0.069)
ZRASC group # 4-weekfollow-up	−2.542 (0.000)	−2.563 (0.000)
_cons	16.36 (0.000)	17.88 (0.000)
N	965	955

values in parentheses. , , . ZRASC, Zao Ren An Shen capsule. ISI, the insomnia severity index; scores range from 0 to 28; higher scores indicate more severe insomnia. HAMA, the Hamilton anxiety rating scale; scores range from 0 to 56; higher scores indicate a greater severity of anxiety symptoms.