Table 5.

Characteristics of studies included in meta-analysis 4 (LF-HRV)

Study	N	Hedges’ g	weight%	Cl. lb	Cl. ub
Brady et al. (2015)	114	−0.47	7.0	−0.84	−0.10
Chang et al. (2013)	224	−0.51	6.9	−0.89	−0.14
Cohen et al. (2000)	39	−0.04	2.9	−0.69	0.61
Dennis et al. (2014)	227	−0.40	10.6	−0.66	−0.13
DePierro (2015, unpublished data)	65	−0.14	4.7	−0.63	0.34
Hauschildt et al. (2011)	52	−0.64	3.8	−1.20	−0.09
Keary et al. (2009)	40	0.00	3.2	−0.62	0.62
Lakusic et al. (2007)	68	0.07	4.9	−0.41	0.54
Meyer et al. (2016)	41	−0.13	3.2	−0.75	0.49
Minassian et al. (2014)	2235	−0.24	14.5	−0.43	−0.06
Moon et al. (2013)	61	−0.11	4.4	−0.62	0.39
Park et al. (2017)	141	−0.15	8.2	−0.48	0.18
Shah et al. (2013)	416	−0.67	7.1	−1.04	−0.30
Slewa-Younan et al. (2012)	35	−0.17	2.6	−0.87	0.53
Song et al. (2011)	24	0.59	1.9	−0.24	1.42
Thome et al. (2017)	98	−0.57	6.1	−0.98	−0.16
Tucker et al. (2012)	45	0.22	2.9	−0.42	0.87
Wahbeh and Oken (2013b)	81	−0.06	5.2	−0.52	0.39