Interventions aimed at increasing the level of physical activity by including organised follow-up: a systematic review of effect

Table 2 Effect estimates for the comparisons concerning supervised group PA

Study	Outcome	Participants (studies)	Comparison	Effect measure	Follow-up period/s	Effect estimate	Quality of the documentation
Isaacs [17] Strength, fitness	Minutes of PA/week	305 (1)	Advice	% change from BL (95% CI)	Post-treatment	−13% (−29, 8)	Low^1,2
	Minutes of PA/week	610 (1)		% change from BL (95% CI)	3 months	7% (−6, 22)	Low^1,2
	Energy expenditure kcal/kg/week	305 (1)		% change from BL (95% CI)	Post-treatment	−7% (−24, 14)	Low^1,2
	Energy expenditure kcal/kg/week	610 (1)		% change from BL (95% CI)	3 months	7% (−6, 23)	Low^1,2
Isaacs [17] Walks	Minutes of PA/week	305 (1)	Advice	% change from BL (95% CI)	Post-treatment	19% (−4, 48)	Low^1,2
	Minutes of PA/week	610 (1)		% change from BL (95% CI)	3 months	17% (3, 34)	Low^1,2
	Energy expenditure kcal/kg/week	305 (1)		% change from BL (95% CI)	Post-treatment	18% (−4, 45)	Low^1,2
	Energy expenditure kcal/kg/week	610 (1)		% change from BL (95% CI)	3 months	19% (4, 36)	Low^1,2
Park [18]	MET-adjusted minutes of PA/week	40 (1)	No treatment	Mean diff, p-value	Post-treatment	1050, ns	Very low^1,3

Legend: PA = physical activity; MET = metabolic equivalent of task, BL = baseline, ns = not significant; ¹unclear risk of bias at study level, ²only one study, ³only one small study.

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