Developing item banks to measure three important domains of health-related quality of life (HRQOL) in Singapore

Table 1 Demographic profile of in-depth interview participants

		Frequency	Percentage
Gender	Male	22	42
Gender	Female	30	58
Age Category	21 to 34 years	16	31
	35 to 49 years	17	33
	50 years and older	19	36
Ethnicity	Chinese	20	38
	Malay	17	33
	Indian	15	29
Language spoken	English only	17	33
	Chinese only	3	6
	Bilingual (English and Chinese)	10	19
	Bilingual (English and Malay)	14	27
	Bilingual (English and Tamil)	8	15
Years of Education	0 to 6 years	5	10
	7 to 12 years	24	46
	≥ 13 years	23	44
Marital status	Single	9	17
	Married	39	75
	Divorced	1	2
	Widowed	2	4

ISSN: 1477-7525