Reliability and validity of psychosocial and environmental correlates measures of physical activity and screen-based behaviors among Chinese children in Hong Kong

Table 2 Test-retest reliability of child-reported^a and parental-reported^b measures

	ICC	95%CI	Items with low ICC
Self-efficacy^a	0.70-0.79	0.59-0.85	None
Perceived parental enjoyment of screen-based behaviors together^a	0.72-0.77	0.63-0.85	None
Rules and guidance on children's screen-based behaviors^b	0.72-0.86	0.60-0.90	None
	kappa	Percent agreement	Items with fair kappa (0.21-0.40)
Home PA environment^a	0.32-0.52	82-92	Have sports clothes in the home
Family and peer support for PA^a	0.27-0.76	79-88	Be physically active with grandparents
Parental role modeling^b	0.39-0.53	73-77	Time in using computer
Sedentary opportunities in the home^b	0.67-1.00	91-100	None
Perceived neighborhood safety^a	0.45-0.76	85-94	None
Social environment in the neighborhood^a	0.55-0.68	83-86	None
Sports facilities in the neighborhood^a	0.58-0.70	83-93	None

ISSN: 1479-5868