Social class	Reason	Total
Total	Total	10,409.0
Total	Due to a health problem symptom or illness	1,390.9
Total	Due to the primary care physician or specialist advise, but without any health problem	3,708.2
Total	Due to a letter, call or advise received from the health care centre of having this test done	4,663.1
Total	Other reasons	603.7
Total	No data recorded	43.1
I	Total	1,180.0
I	Due to a health problem symptom or illness	131.8
I	Due to the primary care physician or specialist advise, but without any health problem	549.5
I	Due to a letter, call or advise received from the health care centre of having this test done	388.4
I	Other reasons	107.7
I	No data recorded	2.5
II	Total	888.1
II	Due to a health problem symptom or illness	107.2
II	Due to the primary care physician or specialist advise, but without any health problem	390.7
II	Due to a letter, call or advise received from the health care centre of having this test done	309.4
II	Other reasons	79.1
II	No data recorded	1.7
III	Total	2,031.8
III	Due to a health problem symptom or illness	271.7
III	Due to the primary care physician or specialist advise, but without any health problem	851.7
III	Due to a letter, call or advise received from the health care centre of having this test done	791.4
III	Other reasons	106.9
III	No data recorded	10.1
IV	Total	1,449.2
IV	Due to a health problem symptom or illness	165.9
IV	Due to the primary care physician or specialist advise, but without any health problem	433.1
IV	Due to a letter, call or advise received from the health care centre of having this test done	766.8
IV	Other reasons	71.0
IV	No data recorded	12.2
V	Total	3,013.9
V	Due to a health problem symptom or illness	424.9
V	Due to the primary care physician or specialist advise, but without any health problem	932.4
V	Due to a letter, call or advise received from the health care centre of having this test done	1,493.9
V	Other reasons	152.2
V	No data recorded	10.5
VI	Total	1,451.2
VI	Due to a health problem symptom or illness	243.0
VI	Due to the primary care physician or specialist advise, but without any health problem	434.2
VI	Due to a letter, call or advise received from the health care centre of having this test done	713.7
VI	Other reasons	57.0
VI	No data recorded	3.4
No data recorded	Total	394.7
No data recorded	Due to a health problem symptom or illness	46.5
No data recorded	Due to the primary care physician or specialist advise, but without any health problem	116.5
No data recorded	Due to a letter, call or advise received from the health care centre of having this test done	199.3
No data recorded	Other reasons	29.8
No data recorded	No data recorded	2.6