Table 2.

Studies contributing effect size data for the meta-analysis of fine motor abilities

Study	Task/outcome	Hedges’s g	Standard error	n	Agea	% male	Smoking status	Cigarettes per day	Nicotine dose	Route of administration
Barr et al. 2008a	Pegboard	0.16	0.17	32	40	53	NSm	NA	14 mg	Transdermal
Foulds et al. 1996b	Finger tapping	−0.15	0.23	18	25	50	NSm	NA	0.6 mg	Subcutaneous
Perkins et al. 1994b	Finger tapping	0.48	0.24	18	23	50	NSm	NA	5–20 μg/kg	Intranasal
Perkins et al. 2001b	Finger tapping	0.11	0.22	20	34	50	NSm	NA	10–20 μg/kg	Intranasal
Perkins et al. 2008b	Finger tapping	0.04	0.09	130	25	39	NSm	NA	5–10 μg/kg	Intranasal
Tucha and Lange 2004b	Handwriting	0.21	0.16	38	24	50	NSm	NA	4 mg	Buccal
Tucha and Lange 2004b	Handwriting	0.43	0.17	38	24	50	Sm	≥15	4 mg	Buccal

Nsm nonsmoker, Sm smoker, NA not applicable

^aMean value

^bAdministered multiple active nicotine doses