Table 1: The comparison of demographic data among three groups using Chi-square [n=34].

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Personal Data		Meditation		Meditation with Biofeedback		Control			Total		Chi-Square
											Value	df	p
		n	%	n	%	N		%	n	%
Gender	Male	13	38.24	13	38.24	13		38.24	39	38.24	3.99	2	0.13
	Female	21	61.76	21	61.76	21		61.76	63	61.76
	Total	34	100	34	100	34		100	102	100
Age (years)	Under 45	5	14.71	5	14.71	5		14.71	15	14.71	8.34	8	0.40
	46 – 55	5	14.71	5	14.71	5		14.71	15	14.71
	56 – 65	14	41.18	14	41.18	14		41.18	42	41.18
	66 – 75	10	29.41	10	29.41	10		29.41	30	29.41
	Mean (SD)	59.27 (10.51)		58.18 (10.25)		61.03 (8.30)			59.49 (9.69)
	Total	34	100	34	100	34	100		102	100
Educational level	No formal education	3	8.82	2	5.88	0	0.00		5	4.90	13.09	10	0.22
	Primary school	12	35.29	10	29.41	19	55.88		41	40.20
	Secondary school	3	8.82	5	14.71	1	2.94		9	8.82
	High school, Vocational certificate	4	11.76	8	23.53	4	11.76		16	15.69
	High vocational certificate, Diploma	4	11.76	3	8.82	1	2.94		8	7.84
	Bachelor’s degree, Master’s Degree	8	23.53	6	17.65	9	26.47		23	22.55
	Total	34	100	34	100	34	100		102	100
Marital Status	Single	3	8.82	4	11.76	3	8.82		10	9.80	2.89	8	0.94
	Married	26	76.47	25	73.53	26	76.47		77	75.49
	Widowed	2	5.88	4	11.76	3	8.82		9	8.82
	Divorced	1	2.94	1	2.94	1	2.94		3	2.94
	Separated	2	5.88	0	0.00	1	2.94		3	2.94
	Total	34	100	34	100	34	100		102	100
Household Monthly Income (Baht)	Under 10,000	16	47.06	13	38.24	12	35.29		41	40.20	1.06	2	0.59
	Over 10,000	18	52.94	21	61.76	22	64.71		61	59.80
	Total	34	100	34	100	34	100		102	100
Income Sufficiency	Sufficient	16	47.06	13	38.24	12	35.29		41	40.20	1.06	2	0.59
	Insufficient	18	52.94	21	61.76	22	64.71		61	59.80
	Total	34	100	34	100	34	100		102	100
Occupation	Unemployed	10	29.41	5	14.71	5	14.71		20	19.61	11.29	8	0.19
	Government/state enterprise employee	14	41.18	14	41.18	13	38.24		41	40.20
	Self-employed/private company employee	2	5.88	6	17.65	7	20.59		15	14.71
	Merchant/business owner	7	20.59	8	23.53	4	11.76		19	18.63
	Agriculturist	1	2.94	1	2.94	5	14.71		7	6.86
	Total	34	100	34	100	34	100		102	100
Rights to medical care	At their own expense	5	14.71	5	14.71	3	8.82		13	11.76	4.46	6	0.61
	Claimable medical fee	21	61.76	19	55.88	26	76.47		66	64.71
	Universal coverage ID card	3	8.82	2	5.88	2	5.88		7	6.86
	Social Security	5	14.71	8	23.53	3	8.82		16	15.69
	Total	34	100	34	100	34	100		102	100
Comorbidity	Diabetes	16	47.06	16	47.06	16	47.06		48	47.06	6.03	6	0.41
	Diabetes and ischemic heart disease	1	2.94	1	2.94	1	2.94		3	2.94
	Diabetes and hypertension	16	47.06	16	47.06	16	47.06		48	47.06
	Diabetes, ischemic heart disease and hypertension	1	2.94	1	2.94	1	2.94		3	2.94
	Total	34	100	34	100	34	100		102	100