Table 1.

Descriptive statistics of demographics.

Variable	Value	Past frame (N = 295)		Future frame (N = 294)
		Frequency	Percent (%)	Frequency	Percent (%)
Gender	Male	149	50.5	125	42.5
	Female	146	49.5	169	57.5
Age	Under 20	23	7.8	22	7.5
	20–29	110	37.3	98	33.3
	30–39	128	43.4	138	46.9
	Over 40	34	11.5	36	12.2
Education level	High school or less	124	42.0	119	40.5
	Bachelor's degree	158	53.6	158	53.7
	Master's degree or above	13	4.4	17	5.8
Monthly income	5,000 RMB or less	137	46.4	146	49.7
	5,001–10,000 RMB	105	35.6	101	34.4
	10,001–15,000 RMB	42	14.2	37	12.6
	15,001 RMB or above	11	3.7	10	3.4