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. 2016 Apr 29;18(4):e94. doi: 10.2196/jmir.4444

Table 1.

User involvement as moderator in game study effectiveness.

Outcome Sample
sizea, n
kb,
n
Hedges’ gc
(95% CI)
P g Qd P Q I2e,
%
Behavior







Totalf 317,582 24 0.216
(0.113 to 0.319)
<.001 408.37 <.001 94

User involvement (between categories) 11,684 22

6.74 .03

User involvement (within categories)








No involvement 3238 4 0.540
(-0.230 to 1.311)
.17 324.29 <.001 99


Involvement only as tester 430 4 0.520
(0.150 to 0.890)
.01 10.21 .02 71


Involvement as informant or codesigner 8016 14 0.075
(0.017 to 0.133)
.01 14.67 .33 11
Behavioral determinants







Totalf 22,366 51 0. 317
(0.244 to 0.391)
<.001 219.72 <.001 77

User involvement (between categories) 13,000 44

3.24 .20

User involvement (within categories)








No involvement 4649 16 0.288
(0.161 to 0.414)
<.001 39.26 .001 62


Involvement only as tester 1335 8 0.420
(0.278 to 0.562)
<.001 9.97 .19 30


Involvement as informant or codesigner 7016 20 0.265
(0.170 to 0.361)
<.001 49.37 <.001 62
Self-efficacy







Totalf 14,564 21 0.227
(0.130 to 0.324)
<.001 86.14 <.001 77

User involvement (between categories) 6398 20

7.83 .02

User involvement (within categories)








No involvement 1545 8 0.384
(0.283 to 0.485)
<.001 2.73 .91 0


Involvement only as tester 434 3 0.305
(-0.044 to 0.654)
.09 6.80 .03 71


Involvement as informant or codesigner 4419 9 0.171
(0.061 to 0.281)
.002 22.60 .004 65
Clinical outcomes







Totalf 9488 11 0. 071
(0.031 to 0.111)
.001 8.08 .62 0

User involvement (between categories) 1084 7

0.05 .82

User involvement (within categories)








No involvement 119 2 -0.036
(-0.402 to 0.330)
.85 0.20 .66 0


Involvement only as tester 384 3 0.034
(-0.168 to 0.236)
.74 0.63 .73 0


Involvement as informant or codesigner 700 4 -0.001
(-0.217 to 0.216]
.99 5.63 .13 47

aCombined participant sample size.

bk: number of studies.

cHedges’ g (random effects).

dCochran’s Q test: homogeneity statistic (mixed effects).

eI2index: inconsistency, a second measure of heterogeneity.

fThe total includes the studies with missing values on the user involvement variable. For measures on behavior, one very large study (n=297,737) was included here, which was not involved in moderator analyses on user involvement, due to missing information.