Measure | How coded for analysis/additional notes | Age in months | |||||||||
57 | 65 | 69 | 81 | 91 | 103 | 128 | 140 | 157 | 166 | ||
General health | |||||||||||
How would you assess the health of your child in the past month? In the past year? | ‘Sometimes quite ill’ or ‘almost always unwell’ (categorised here together as ‘poor’) vs ‘very healthy, no problems’ or ‘healthy, but a few minor problems’ | X | X | X | X | X | X | X | X | X | |
How many days the child had taken off school in the past year. | For a range of health reasons (infections, asthma/eczema/hay fever, hospital or other investigations/admissions, other reasons). Any days off for any health reason vs none | X | X | X | X | X | |||||
Conditions and symptoms | |||||||||||
Has child had any of the following? | Since age 3 (at 57 months); in the past 15 months (at 69 months); in the past year (all other ages) | ||||||||||
Diarrhoea | X | X | X | X | X | X | X | X | |||
Vomiting | X | X | X | X | X | X | X | X | |||
Cough | X | X | X | X | X | X | X | X | |||
High temperature | X | X | X | X | X | X | X | X | |||
Earache | X | X | X | X | X | X | X | X | |||
Ear discharge (pus) | X | X | X | X | X | X | X | X | |||
Stomach-ache(s) | X | X | X | X | X | X | X | X | |||
Rash | X | X | X | X | X | X | X | X | |||
Wheezing | X | X | X | X | X | X | X | X | |||
Breathlessness | X | X | X | X | X | X | X | X | |||
Headache(s) | X | X | X | X | X | X | X | X | |||
Constipation | X | X | X | X | X | X | X | X | |||
Lice or scabies | Asked separately from 81 months; combined for consistency in analyses | X | X | X | X | X | X | X | X | ||
Eczema | X | X | X | X | X | X | |||||
Asthma | X | X | X | X | X | X | |||||
Hay fever | X | X | X | X | X | X | |||||
Child often has pains in arms or legs | X | X | X | X | X | X | |||||
Are there any foods or drinks that your child is allergic to? | X | X | X | X | |||||||
Apart from food and drink are there any other things to which child is allergic? | X | X | X | X | |||||||
Snuffles/cold* | X | X | X | X | X | ||||||
Urinary infection† | X | X | X | X | X | ||||||
Blood in stools‡ | X | X | X | X | X | X | X | X | |||
Convulsions/fits‡ | X | X | X | X | X | X | X | X | |||
Episodes of stopping breathing‡ | X | X | X | X | X | X | X | X | |||
Convulsion, fit or seizure due to epilepsy‡ | X | X | X | X | X | ||||||
Accident§ | X | X | X | X | X | X | X | X | |||
Infections | |||||||||||
Has child had any of the following infections? | Since age 3 (at 57 months); in the past 15 months (at 69 months); in the past year (all other ages) | ||||||||||
Chicken pox | X | X | X | X | X | X | X | ||||
Cold sores | X | X | X | X | X | X | X | ||||
Eye infection | X | X | X | X | X | X | X | ||||
Ear infection | X | X | X | X | X | X | X | ||||
Chest infection | X | X | X | X | X | X | X | ||||
Tonsilitis/laryngitis | X | X | X | X | |||||||
Influenza | X | X | X | X | |||||||
Cold* | X | X | X | X | |||||||
Urinary infection† | X | X | X | X | X | X | X | ||||
Worm infections¶ | X | X | X | X | X | X | X | X | |||
Measles‡ | X | X | X | X | X | X | X | ||||
Mumps‡ | X | X | X | X | X | X | X | ||||
Meningitis‡ | X | X | X | X | X | X | X | ||||
Whooping cough‡ | X | X | X | X | X | X | X | ||||
German measles‡ | X | X | X | X | |||||||
Scarlet fever‡ | X | X | X | X | |||||||
Glandular fever** | X |
*Reported by parent as ‘cold/snuffles’ (within conditions list) at 57, 69, 81, 91 and 103 months and ‘cold’ (within infections list) at 128, 157 and 166 months were combined and included here as ‘cold’ (categorised under infections).
†Reported by parent within both conditions (57–103 months) and infections (57–166 months) lists, so only results in respect of infections data included here.
‡Excluded from analyses as reported in respect of very small numbers (fewer than 20 males and/or females).
§Excluded from analyses as out with the scope of the paper.
¶Reported by parent within conditions list, but included here within infections.
**Excluded from analysis as only one time point.