Relationship between both cardiorespiratory and muscular fitness and health-related quality of life in children and adolescents: a systematic review and meta-analysis of observational studies

Table 3 Grouping of variables by domains that share meaning

Domain	Denomination in the questionnaires
Physical well-being	Physical well-being [18,19,20,21, 38]
	Physical comfort [39]
	Physical QoL [44]
Psychological well-being	Psychological well-being [19, 21, 38]
	Emotional well-being [18, 20]
	Emotional comfort [39]
Quality of family relationship	Family [20, 21]
	Autonomy and parents [38]
	Quality of family relationship [43]
	Parents relationship [19]
Quality of peer relationship	Friends [20, 21]
	Social support and peers [19, 38]
	Quality of peer relationship [43]
Everyday functioning at school	Everyday functioning at school [21]
	School [20]
	School environment [38]
	Academic performance [43]
Perceived health status	Perceived health status [42, 43]
Perceived health status	Satisfaction with health [18, 39]
Self-perception/self-esteem	Self-perception [19]
Self-perception/self-esteem	Self-esteem [20, 21]

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