Table 1. Descriptive statistics for the total sample and across each quartile in our study and Gray, Bird & Cook’s (2017) study.

CFMT Quartile	Present study							Gray, Bird & Cook’s (2017) study
	N	PI-20			CFMT-Chinese			N	PI-20			CFMT
		Mean	SD	Range	Mean	SD	Range		Mean	SD	Range	Mean	SD	Range
Q1	66	53.81	11.87	31–77	46.07	3.62	32–50	120	47.16	10.46	24–74	43.96	4.08	33–49
Q2	68	47.10	10.97	29–75	54.04	1.65	51–56	102	40.14	8.94	24–64	54.48	2.48	50–58
Q3	60	47.60	11.35	28–75	59.51	2.07	57–63	110	38.63	8.38	20–66	61.57	1.71	59–64
Q4	61	42.65	10.35	27–68	67.40	2.46	64–72	93	37.51	8.49	20–61	67.67	2.01	65–72
Total	255	47.89	11.78	27–77	56.46	8.19	32–72	425	41.16	9.92	20–74	56.23	9.34	33–72