Table 4. Findings in 11-year-olds versus 16-year-olds who did (participant) or did not (non-participant) have a J1 check-up.
| Physical/psychological findings* | 11-year-olds | 16-year-olds | ||||
| J1 non-participant | J1 participant | |||||
| n | % | n | % | n | % | |
| Hayfever/conjunctivitis | 152 | 14.6 | 89 | 17.6 | 59 | 18.4 |
| Neurodermatitis/atopic eczema | 157 | 15.2 | 69 | 13.5 | 43 | 13.4 |
| Bronchial asthma | 75 | 7.2 | 24 | 4.7 | 19 | 5.9 |
| Spastic/obstructive bronchitis | 128 | 12.3 | 52 | 10.3 | 30 | 9.3 |
| Pneumonia | 142 | 13.7 | 71 | 14 | 33 | 10.5 |
| Otitis media | 520 | 51 | 282 | 57.3 | 154 | 49 |
| Cardiac disease | 31 | 3 | 17 | 3.3 | 11 | 3.4 |
| Anemia | 23 | 2.2 | 14 | 2.8 | 10 | 3.1 |
| Convulsions | 45 | 4.3 | 19 | 3.7 | 8 | 2.5 |
| Thyroid disorder | 15 | 1.4 | 15 | 2.9 | 13 | 4.1 |
| Diabetes mellitus | 1 | 0.1 | 0 | 0 | 1 | 0.3 |
| Scoliosis | 52 | 5 | 53 | 10.5 | 47 | 14.8 |
| Migraine | 37 | 3.6 | 30 | 5.9 | 17 | 5.3 |
| Other illnesses | 300 | 28.9 | 167 | 33.1 | 113 | 35.5 |
| Subjective health not good | 74 | 12.9 | 79 | 15.3 | 46 | 14.4 |
| Overweight | 220 | 20.9 | 87 | 16.9 | 60 | 18.6 |
| Hypertension | 0 | 0 | 30 | 5.8 | 11 | 3.4 |
| Hypercholesterolemia | 105 | 10.8 | 52 | 10.7 | 36 | 11.8 |
| Smoking | 10 | 1 | 226 | 44.1 | 113 | 35.2 |
| Has consumed alcohol in the past | 178 | 17.1 | 465 | 90.6 | 303 | 94.7 |
| Emotional or other problems | 70 | 7.1 | 26 | 5.2 | 16 | 5.1 |
| Probable SDQ result | 104 | 10 | 33 | 6.4 | 21 | 6.5 |
*For 11-year-olds. reasons for doctor visit are not documented. Overall frequencies for 11-year-olds: 1058. 16-year-old J1 non-participants: 519, 16-year-old J1 participants: 324; SDQ. Strengths and Difficulties Questionnaire