Table 3.

Factors correlated with World Health Organization Quality of Life and happiness scores: a mixed linear regression analysis from 38 residents at the department of medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

Criterion	Predictor	Mean (SD)	β-coefficient	SE	P-value
Physical domain	Time of training
	Baseline	54.2 (7.2)	0	-	-
	Day 100	42.7 (10.7)	-11.2	2.0	<0.001
	Year 2	42.7 (12.0)	-11.6	2.0	<0.001
	Confidence
	No to slight	41.4 (11.0)	0	-	-
	Moderate to high	48.1 (11.2)	6.3	2.2	0.004
Psychological domain	Time of training
	Baseline	65.5 (9.1)	0	-	-
	Day 100	57.2 (8.9)	-8.0	1.6	<0.001
	Year 2	48.5 (9.7)	-17.1	1.7	<0.001
	Confidence
	No to slight	53.3 (12.8)	0	-	-
	Moderate to high	58.8 (10.9)	4.5	2.0	0.021
Social domain	Time of training
	Baseline	73.0 (15.1)	0	-	-
	Day 100	63.4 (17.7)	-8.4	2.6	0.001
	Year 2	62.2 (16.6)	-10.9	2.5	<0.001
	General health
	Not good to moderately good	63.6 (18.0)	0	-	-
	Good to very good	71.5 (13.8)	6.1	2.7	0.025
Environmental domain	Time of training
	Baseline	66.8 (11.6)	0	-	-
	Day 100	54.7 (14.2)	-10.9	2.0	<0.001
	Year 2	59.7 (13.0)	-7.1	2.0	<0.001
	Confidence
	None-slight	55.5 (14.3)	0	-	-
	Moderate to very high	61.9 (13.4)	5.2	2.5	0.034
	General health
	Not good to moderately good	57.4 (13.7)	0
	Good to very good	66.4 (12.2)	4.2	2.1	0.046
Happiness measures	Time of training
	Baseline	58.8 (12.6)	0	-	-
	Day 100	45.7 (19.2)	-12.9	3.0	<0.001
	Year 2	47.9 (18.0)	-12.7	3.0	<0.001
	Anxiety
	No to moderate	56.1 (16.7)	0	-	-
	High to very high	44.2 (16.7)	-9.7	3.1	0.002
	General health
	Not good to moderately good	46.1 (17.5)	0	-	-
	Good to very good	60.2 (13.9)	7.0	3.1	0.024