Table 3.
Scores by sex and internal reliability coefficient (Cronbach α) of RTEX factors (Study 1, 2017-2019) and intraclass correlation coefficient for test-retest reliability of RTEX factors (Study 2, 2017).
| RTEXa factor | NDITb sample (N=627), n (%) | Study 1 (n=272) | Study 2 (n=147), ICCc 95% CI | |||||
|
|
|
Mean (SD) | P value for sex difference | Range | Cronbach α |
|
||
| Factor 1: Fitness |
|
.02 | 1.0-4.5 | 0.95 | 0.8 (0.6-0.8) | |||
|
|
Total | 265 (42.3) | 1.7 (1.0) |
|
|
|
|
|
|
|
Male | 125 (20.0) | 1.6 (0.9) |
|
|
|
|
|
|
|
Female | 140 (22.3) | 1.9 (1.0) |
|
|
|
|
|
| Factor 2: Enjoyment value |
|
.37 | 1.0-4.8 | 0.85 | 0.7 (0.4-0.6) | |||
|
|
Total | 268 (42.7) | 2.9 (0.9) |
|
|
|
|
|
|
|
Male | 127 (20.3) | 3.0 (0.9) |
|
|
|
|
|
|
|
Female | 141 (22.5) | 2.9 (0.9) |
|
|
|
|
|
| Factor 3: Gaming preference |
|
<.001 | 1.0-5.0 | 0.80 | 0.8 (0.5-0.7) | |||
|
|
Total | 268 (42.7) | 1.9 (1.0) |
|
|
|
|
|
|
|
Male | 127 (20.3) | 1.5 (0.7) |
|
|
|
|
|
|
|
Female | 141 (22.5) | 2.2 (1.1) |
|
|
|
|
|
| Factor 4: Competing interests |
|
.62 | 1.0-5.0 | 0.90 | 0.7 (0.6-0.8) | |||
|
|
Total | 272 (43.4) | 1.8 (1.1) |
|
|
|
|
|
|
|
Male | 130 (20.7) | 1.8 (1.0) |
|
|
|
|
|
|
|
Female | 142 (22.6) | 1.8 (1.1) |
|
|
|
|
|
aReasons to Exergame.
bNicotine dependence in the teen study.
cICC: intraclass correlation coefficient.