Table 3. J1 participation according to reason for doctor visit and findings.

Reason for doctor visit or physical/psychological findings	J1 participation
	Yes		No		All
	n	%	n	%	n	%
Acute illness, accident	519	48.2	1165	53.3	1684	51.6
Chronic illness	48	4.5	110	5	158	4.8
Mood disorders	64	5.9	135	6.2	199	6.1
Advice (e.g., nutrition)	50	4.6	109	5	159	4.9
Medical drug prescription	218	20.2	386	17.7	604	18.5
Preventative examination/immunization	309	28.7	487	22.3	796	24.4
Hayfever/conjunctivitis	221	19.7	406	17.7	627	18.3
Neurodermatitis/atopic eczema	161	14.3	296	12.9	457	13.4
Bronchial asthma	84	7.5	166	7.2	250	7.3
Spastic/obstructive bronchitis	134	12	241	10.5	375	11
Pneumonia	162	14.5	262	11.4	424	12.4
Otitis media	596	54.4	1145	51.2	1741	52.3
Cardiac disease	38	3.4	53	2.3	91	2.6
Anemia	33	2.9	66	2.9	99	2.9
Convulsions	29	2.6	96	4.2	125	3.6
Thyroid disorder	46	4.1	78	3.4	124	3.6
Diabetes mellitus	2	0.2	5	0.2	7	0.2
Scoliosis	151	13.5	237	10.4	388	11.4
Migraine	61	5.4	115	5	176	5.2
Other illnesses	371	33.2	700	30.6	1071	31.5
Subjective health not good	140	12.3	359	15.5	499	14.4
Overweight	182	15.1	437	18.8	619	17.9
Hypertension	35	3.1	95	4.1	130	3.7
Hypercholesterolemia	101	9.4	195	8.8	296	9
Smoking	344	30.3	734	31.7	1078	31.3
Has consumed alcohol in the past	1026	90.6	1950	84.5	2976	86.5
Emotional or other problems	50	4.5	97	4.4	147	4.4
Probable SDQ result	74	6.5	143	6.2	217	6.3

SDQ, Strengths and Difficulties Questionnaire