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Table 2 Effect size difference calculated using measures of physical activity common to both pre-scale trial and scaled-up study

From: How effective are physical activity interventions when they are scaled-up: a systematic review

 

Pre-Scale RCT

Scaled-up Study

Proportion (%) of the Efficacy Trial Effect Size Achieved in the Scaled-up Study

CHAMPS

RCT

Change in intervention group at 12 month follow-up

Weekly caloric expenditure in PA (kcal/week)

+ 687, P < .001

Pre-post non controlled design

Change in intervention group at 6 month follow-up

Weekly caloric expenditure in PA (kcal/week)

+ 213, P = 0.10

31.0

EuroFIT

RCT

Adjusted b/n group difference at 12 weeks and 12 months follow-up

Total MET-min/week

12 weeks: 1485

12 months: 844

RCT

Adjusted b/n group difference at 12 weeks and 12 months follow-up

Total MET-min/week

12 weeks: 1020, P < 0.001

12 months: 894, P < 0.001

68.7

105.9

Go4Fun

RCT

Within-subjects change at 6 month follow-up

Recovery heart rate (beats min-1)

− 17.9, P < 0.0001

Pre-post non controlled design

Within-subjects change post-intervention (10-week follow-up)

Recovery heart rate (beats min − 1)

− 4.64, P = 0.002

25.9

HDHK

RCT

Mean difference b/n groups at 3 month follow-up

Mean steps per day for fathers

2139

Mean steps per day for children

1228

RCT

Mean difference b/n groups at 14 weeks

Mean steps per day for fathers

1258, P = 0.04

Mean steps per day for children

1625, P = 0.01

58.8

132.3

HeLP-her

RCTA

djusted between group difference at 12 month follow-up

Activity self-management score

0.24, P < 0.001

RCT

Adjusted between group difference at 12 month follow-up

Activity self-management score 0.06

25.0

SCORES

RCT

Adjusted b/n group difference at 6 month follow-up

Total daily MVPA (minutes)

5.7, P = 0.194

Within-school MVPA (minutes)

4.1, P = 0.211

RCT

Adjusted b/n group difference at 6 month follow-up

Total daily MVPA (minutes)

1.96, P = 0.48

Within-school MVPA (minutes)

2.90, P = 0.05

34.4

70.7