| Description: | Derived: Number of Ophthalmic Medications |
| Category: | Questionnaire data ⏵ Medications ⏵ Regular medication ⏵ Regular medication - Derived variables ⏵ Medication derivations done longitudinally |
| Participants | 4,950 | Value Type | Categorical (single) | Sexed | Both sexes | Debut | Jan 2026 | |||
| Item count | 17,663 | Item Type | Data | Instances | Defined (7) | Version | N/A | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | dX oX sX |
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Data has not been summarised because combining instances would be misleading.
Instance 23 : 1982 - Survey carried out at age 36 years.
3,315 participants, 3,315 items
Instance 24 : 1989 - Survey carried out at age 43 years.
3,261 participants, 3,261 items
Instance 25 : 1999 - Survey carried out at age 53 years.
2,986 participants, 2,986 items
Instance 26 : 2006-2010 - Survey carried out at age 60 to 64 years.
2,647 participants, 2,647 items
Instance 28 : 2015 - Survey carried out at age 69 years.
2,116 participants, 2,116 items
National Survey of Health and Development 1946 Cohort