. 2019 Aug 27;8(9):1316. doi: 10.3390/jcm8091316

Table 4.

Association between dietary zinc intake (two-day average) and hangover symptom severity.

	Original Sample		Bootstrapping Results
Hangover Symptoms	r_P	p-Value	Bias	SE	r_PB	Lower CI_B Limit	Upper CI_B Limit
Concentration problems	−0.128	0.691	−0.007	0.314	−0.121	−0.854	+0.887
Sleepiness	−0.055	0.865	−0.072	0.326	0.023	−0.855	+0.741
Being tired	−0.195	0.544	−0.020	0.305	−0.175	−0.979	+0.933
Thirst	−0.045	0.888	0.000	0.224	−0.045	−0.816	+0.659
Nausea	−0.077	0.813	−0.050	0.370	−0.027	−0.904	+0.806
Clumsiness	−0.209	0.514	−0.054	0.275	−0.155	−0.910	+0.703
Reduced appetite	0.105	0.745	−0.048	0.404	0.057	−0.956	+0.939
Headache	−0.260	0.414	−0.022	0.241	−0.238	−0.882	+0.611
Weakness	−0.002	0.995	−0.128	0.473	0.126	−0.963	+0.932
Dizziness	−0.005	0.988	−0.052	0.403	0.047	−0.952	+0.933
Apathy	0.060	0.853	−0.019	0.373	0.041	−0.972	+0.965
Stomach pain	−0.117	0.718	−0.103	0.389	−0.014	−0.978	+0.765
Sensitivity to light	−0.138	0.669	−0.031	0.292	−0.107	−0.845	+0.674
Sensitivity to sound	−0.157	0.627	−0.047	0.298	−0.110	−0.851	+0.699
Shaking, shivering	−0.370	0.236	−0.076	0.290	−0.294	−0.958	+0.492
Confusion	−0.113	0.726	−0.071	0.390	−0.042	−0.961	+0.982
Depression	−0.160	0.618	−0.085	0.425	−0.075	−0.960	+0.984
Regret	−0.150	0.641	−0.061	0.431	−0.089	−0.980	+0.987
Heart pounding	−0.298	0.347	−0.067	0.384	−0.231	−0.995	+0.952
Sweating	−0.136	0.674	−0.061	0.479	−0.075	−0.964	+0.972
Vomiting *	−0.609	0.035	−0.032	0.179	−0.577	−0.944	−0.059
Heart racing	−0.211	0.511	−0.076	0.411	−0.135	−0.976	+0.962
Anxiety	−0.214	0.505	−0.065	0.466	−0.149	−0.990	+0.993

Reported r_P and p-value are from the original partial correlation, controlling for eBAC. Bootstrapping was conducted with B = 10.000 samples. A 99.8% CI_B (corresponding to p < 0.002) was used to correct for multiple comparisons. The r_PB’s are significant if the BCa 99.8% CI_B does not contain zero, indicated by *. Abbreviations: r_P = partial correlation, eBAC = estimated blood alcohol concentration, SE = standard error, BCa = bias-corrected and accelerated, CI_B = bootstrapped confidence interval.