Table 2. Nausea, vomiting and retching among the four groups (N = 160) – Xuzhou, China, 2022.

	Acute nausea	Delayed nausea	Acute vomiting	Delayed vomiting	Acute retching	Delayed retching
Control group	3.85 ± 3.47	4.83 ± 3.01	0.89 ± 2.01	0.70 ± 1.35	1.59 ± 1.87	2.58 ± 2.08
Ginger group	2.81 ± 2.94	2.69 ± 2.09	1.01 ± 1.81	0.44 ± 0.84	1.71 ± 1.89	1.54 ± 1.43
Acupressure group	2.45 ± 2.84	1.93 ± 2.39	0.64 ± 1.64	0.16 ± 0.47	0.83 ± 1.38	0.64 ± 1.14
Joint group	1.46 ± 2.08	0.93 ± 1.47	0.41 ± 1.13	0.13 ± 0.49	0.43 ± 1.04	0.25 ± 0.61
F	4.700	20.542	1.009	3.787	6.026	21.373
P	0.004	0.000	0.390	0.012	0.001	0.000
Control/ginger	0.109	0.000	0.740	0.187	0.725	0.001
Control/acupressure	0.031	0.000	0.507	0.006	0.033	0.000
Control/joint	0.000	0.000	0.208	0.004	0.001	0.000
Ginger/acupressure	0.574	0.142	0.320	0.153	0.013	0.005
Ginger/joint	0.037	0.001	0.112	0.108	0.000	0.000
Acupressure/joint	0.127	0.056	0.550	0.895	0.261	0.220