Table 1. Characteristics of the study cohorts at the time of first observationa.
|
ELSA |
FPS |
GAZEL |
SLOSH |
|||||
|---|---|---|---|---|---|---|---|---|
| Men | Women | Men | Women | Men | Women | Men | Women | |
| Sample size | 4071 | 4733 | 8343 | 34 173 | 11 098 | 3833 | 3663 | 4326 |
| Age (mean, s.d.) | 61.5 (7.2) | 61.4 (7.3) | 53.6 (3.2) | 53.2 (2.9) | 52.0 (2.2) | 51.4 (2.0) | 58.0 (5.8) | 57.3 (5.7) |
| Socioeconomic position (%) | ||||||||
| High grade | 36.5 | 24.9 | 42 | 27 | 32.8 | 9.2 | 22.8 | 17.1 |
| Middle grade | 19.8 | 27.3 | 24.1 | 56.4 | 55.3 | 67.7 | 36.5 | 51.7 |
| Low grade | 43.8 | 47.8 | 33.9 | 16.6 | 11.8 | 23.1 | 40.7 | 31.1 |
| Sub-optimal self-rated health (%) | 25.2 | 23.8 | 37.3 | 34.1 | 19.2 | 23.5 | 23.6 | 20.3 |
| Chronic disease (%)b | 34.4 | 31.3 | 25.5 | 26 | 23.1 | 25.3 | 21.7 | 17.2 |
| Body mass index (%) | ||||||||
| Underweight (<18.5 kg m−2) | 0.3 | 0.9 | 0.2 | 0.8 | 0.3 | 2.9 | 0.2 | 0.9 |
| Normal weight (18.5–24.9 kg m−2) | 23.5 | 32 | 35.4 | 51.1 | 44.1 | 69.8 | 33.6 | 52.5 |
| Overweight (25–29.9 kg m−2) | 52.3 | 38.3 | 49 | 33.7 | 48.3 | 20.4 | 52 | 34.2 |
| Obese class I (30–34.9 kg m−2) | 19.2 | 19.3 | 12.4 | 11 | 6.5 | 5.5 | 12 | 9.7 |
| Obese class II (⩾35 kg m−2) | 4.8 | 9.6 | 3 | 3.4 | 0.7 | 1.6 | 2.2 | 2.7 |
| Smoking | ||||||||
| Never smoking, % | 27.4 | 43.5 | 50.7 | 67.7 | 35.2 | 67.9 | 52.7 | 50.4 |
| Former smoking, % | 53.5 | 36 | 27.7 | 17 | 35.3 | 11.8 | 32.1 | 31.3 |
| Current smoking, % | 19.1 | 20.5 | 21.6 | 15.3 | 29.6 | 20.3 | 15.3 | 18.3 |
a
The first observation point refers to the date each participant was included in the dataset.
b
Presence of chronic diseases includes illness reported at or before the first observation point.