Screen Time Weight-loss Intervention Targeting Children at Home (SWITCH): process evaluation of a randomised controlled trial intervention

Table 5 Child outcomes by caregiver implementation at 6 months (n = 231)^a

	Number	BMI (kg/m²)		zBMI		SSB (min/day)		TSB (min/day)
		Model-adjusted mean (95 % CI)	P value*	Model-adjusted mean (95 % CI)	P value*	Model-adjusted mean (95 % CI)	P value*	Model-adjusted mean (95 % CI)	P value*
Implementation
Often/always	30	26.79 (26.32 to 27.26)	0.37	2.60 (2.51 to 2.69)	0.33	200 (145 to 255)	0.43	541 (491 to 591)	0.81
Sometimes	25	27.09 (26.58 to 27.60)	0.06	2.64 (2.54 to 2.74)	0.11	219 (159 to 280)	0.88	544 (490 to 599)	0.73
Rarely	25	26.32 (25.81 to 26.83)	0.40	2.47 (2.37 to 2.57)	0.16	204 (142 to 266)	0.55	508 (451 to 564)	0.40
Never	151	26.56 (26.34 to 26.77)	ref	2.55 (2.51 to 2.59)	ref	225 (199 to 251)	ref	534 (510 to 558)	ref

BMI body mass index, CI confidence interval, kg kilograms, m metres, min minutes, ref reference group, SSB screen-based sedentary behaviour, TSB total sedentary behaviour, zBMI body mass index z-score
*P value indicates statistical significance in mean difference between the current and reference level of caregiver implementation
^aTwenty intervention primary caregivers did not provide information on implementation. Regression analysis controlled for baseline outcome value, age, sex and ethnicity

ISSN: 1471-2458