Table 2.

Summary of reviews and meta-analyses for weight changes.

Review/Meta-Analysis	Year	Number of Articles	Percentage	Effect Size
Physical Activity
Amorim et al. [50]	2007	1	N/A	0.00
Conn et al.a [36]	2009	13	N/A	0.07
Kavookjian et al.a [41]	2007	4	100%	N/A
		7 (BMI)	43% (BMI)
Shaw et al. [51]	2006	2	N/A	0.58
Dietary Behaviours
Amorim et al. [50]	2007	1	N/A	5.76
Brunner et al.a [52]	2007	21	38%	N/A
Hooper et al. [56]	2004	5	60%	N/A
Povey et al.a [54]	2007	6	17%	N/A
		5 (BMI)	40%
Rolls et al.a [55]	2004	16	44%	N/A
Rooney et al. [57]	2007	4	50%	N/A
Physical Activity and Diet
Amorim et al. [50]	2007	4	N/A	1.79i
		1		−0.49ii
Blue & Blacka [58]	2005	11	73%i	N/A
Chaston et al. [65]	2007	3	100%ii	N/A
Curioni et al. [59]	2005	6	N/A	0.2ii
Hawthorne et al. [60]	2008	3 (BMI)	0% i (BMI)	0.31 i (BMI)
Ketola et al. [66]	2000	17	71% i	N/A
Neville et al.a [44]	2009	6	50% i	N/A
Nield et al. [61]	2007	4	100%ii	0.51ii
Norris et al. [63]	2005	9	83% i	0.77i (7 studies)
		6 (BMI)	67% i (BMI)	0.97i (BMI)
Norris et al. [62]	2005b	8	N/A	0.01i
Orozco et al. [64]	2008	7	N/A	0.66i
		6 (BMI)		0.57i (BMI)
Povey et al.a [54]	2007	6	33%i	N/A
Sharmaa [33]	2007	8	88%i	N/A
		4 (BMI)	75%i (BMI)
Shaw et al. [51]	2006	15	N/A	0.48ii
		6 (BMI)		0.21ii (BMI)

Note: N/A = Not applicable as either an effect size was not calculated or a percentage could not be extracted. PA = physical activity. BMI = Body Mass Index.

^aReview/Meta-analysis was used in overall objective (i.e., behavioral outcome).

ⁱDiet and physical activity group versus control group.

ⁱⁱDiet and physical activity group versus diet only group.