Relations of self-regulation and self-efficacy for exercise and eating and BMI change: A field investigation

Table 1 Within-subject changes and distributions of changes in self-regulation, self-efficacy, and mood measures, and BMI (N = 95).

					t₉₄	d	95% CI	Change scores		Skewness^a	Kurtosis^b
	Mean	SD	Mean	SD				Mean	SD
	Baseline		Week 12
Self-reg-PA	20.05	5.49	26.03	8.03	7.29**	1.09	4.35, 7.61	5.98	7.99	0.64	0.01
Self-reg-EAT	21.06	5.87	25.16	6.95	7.20**	0.70	2.97, 5.22	4.09	5.54	0.70	0.10
	Baseline		Week 24
ESE	30.45	12.41	33.57	11.19	3.04*	0.25	1.08, 5.15	3.12	10.00	-0.03	1.04
WEL	101.91	34.27	118.61	34.67	5.27**	0.49	10.41, 23.00	16.71	30.91	0.68	0.87
TMD	20.70	16.10	12.47	18.70	5.72**	-0.49	-11.08, -5.37	-8.23	14.03	-0.70	- 0.09
BMI (kg/m²)	40.49	3.91	39.29	4.07	6.52**	-0.30	-1.56, -0.83	-1.19	1.79 -	1.84	3.41

Self-reg-PA = self-regulation for physical activity; Self-reg-EAT = self-regulation for appropriate eating; ESE = Exercise Self-Efficacy Scale; WEL = Weight Efficacy Lifestyle Questionnaire; TMD = Total Mood Disturbance; BMI = body mass index.
d = Cohen's measure of effect size.
^aFor skewness, SE = 0.25
^bFor kurtosis, SE = 0.49
*p < 0.01 **p < 0.001

ISSN: 1751-0759