Questions of the psychological domain	Answers	Age group (%)					Kruskal Wallis test
Questions of the psychological domain	Answers	<30	30 - 39	40 - 49	50 - 59	≤60	Kruskal Wallis test
How much do you enjoy life?	Not at all	0.0	0.0	0.0	16.4	21.0	18.648 p = 0.001
	A little	0.0	10.0	33.3	23.6	21.0
	A moderate amount	62.5	30.0	33.3	47.3	46.8
	Very much	25.0	30.0	13.3	10.9	9.7
	An extreme amount	12.5	30.0	20.0	1.8	1.6
To what extent do you feel life to be meaningful?	Not at all	0.0	0.0	0.0	0.0	1.6	9.485 p = 0.050
	A little	0.0	20.0	13.3	12.7	17.7
	A moderate amount	12.5	0.0	33.3	30.9	33.9
	Very much	50.0	50.0	26.7	43.6	38.7
	Extremely	37.5	30.0	26.7	12.7	8.1
How well are you able to concentrate?	Not at all	0.0	0.0	6.7	1.8	4.8	15.686 p = 0.003
	A little	0.0	0.0	20.0	21.8	17.7
	A moderate amount	12.5	20.0	20.0	29.1	45.2
	Very much	62.5	60.0	26.7	41.8	29.0
	Extremely	25.0	20.0	26.7	5.5	3.2
Are you able to accept your bodily appearance?	Not at all	0.0	0.0	0.0	3.6	6.5	12.310 p = 0.015
	A little	0.0	0.0	13.3	10.9	9.7
	Moderately	0.0	10.0	0.0	12.7	17.7
	Mostly	37.5	40.0	40.0	43.6	45.2
	Completely	62.5	50.0	46.7	29.1	21.0
How satisfied are you with yourself?	Very dissatisfied	0.0	0.0	0.0	0.0	0.0	13.105 p = 0.011
	Dissatisfied	0.0	10.0	20.0	14.5	24.2
	Neither satisfied nor dissatisfied	0.0	20.0	33.3	29.1	30.6
	Satisfied	62.5	50.0	33.3	45.5	40.3
	Very satisfied	37.5	20.0	13.3	10.9	4.8
How often do you have negative feelings, such as blue mood, despair, anxiety, depression?	Never	0.0	0.0	6.7	7.3	14.5	4.145 p = 0.387
	Seldom	87.5	40.0	33.3	41.8	40.3
	Quite often	12.5	60.0	40.0	32.7	29.0
	Very often	0.0	0.0	13.3	12.7	12.9
	Always	0.0	0.0	6.7	5.5	3.2