Table 2.

Objectives of the studies.

	PETE				COMMUNITY			SL PROGRAMME
	1	2	3	4	5	6	7	8
An [34]	x		x
Bruce [35]			x
Capella et al. [36]		x	x
Capella et al. [26]	x
Capella et al. [37]			x	x
Capella et al. [38]	x
Capella et al. [39]	x
Chiva-Bartoll et al. [40]		x
Chiva-Bartoll et al. [29]			x
Chiva-Bartoll et al. [41]	x	x	x	x
Chiva-Bartoll et al. [42]	x	x
Douglas et al. [43]	x		x
Du Toit [44]	x	x	x
Franco-Solà and Figueras [45]	x	x
Galvan et al. [46]	x				x
Gil-Gómez et al. [27]	x			x
Giles et al. [47]				x
Heo et al. [48]		x	x
Lamoneda [49]	x	x	x					x
Lleixà and Ríos [50]				x		x	x
MacPhail and Sohun [10]								x
Martínez et al. [51]	x		x	x
Marttinen et al. [11]	x		x
Santos et al. [52]								x
Peralta et al. [53]	x			x
Ruiz-Montero et al. [54]	x		x	x	x	x	x
Ward et al. [55]	x		x
Webster et al. [56]	x		x		x
Wilkinson et al. [57]	x		x
Willard and Crandall [58]	x		x
Woodruff and Sinelnikov [59]	x		x

Note: PETE: 1. Professional skills; 2. Personal skills; 3. Social skills; 4. Others; COMMUNITY: 5. Physical skills; 6. Social skills; 7. Personal skills; SL PROGRAMME: 8. Effectiveness and quality.