Table 1. Descriptive statistics of the six cohort studies.
| BHPS | HILDA | HRS | MIDUS | WLSG | WLSS | |
|---|---|---|---|---|---|---|
| Agea |
45.6 (18.1) |
44.6 (15.9) |
66.1 (10.2) |
46.1 (12.3) |
54.1 (0.5) |
52.3 (7.0) |
| Age range |
16–98 |
17–92 |
25–104 |
20–75 |
53–56 |
33–75 |
| Sex (% female) |
54.7 (7012) |
53.6 (3393) |
60.2 (6493) |
53.0 (2290) |
54.2 (3090) |
53.1 (1530) |
| Race (% non-White) |
13.1 (1685) |
14.0 (884) |
22.9 (2469) |
8.7 (374) |
— |
— |
| Follow-up (years)a |
2.9 (0.4) |
4.0 (0.1) |
3.2 (1.0) |
9.0 (0.5) |
11.2 (0.4) |
11.2 (0.5) |
| Incident cancer cases |
1.9 (239) |
4.6 (290) |
4.7 (510) |
8.1 (350) |
9.4 (538) |
7.9 (229) |
| Cancer deaths |
— |
— |
159 |
— |
175 |
87 |
| Participants (n) | 12 820 | 6333 | 10 787 | 4319 | 5703 | 2881 |
Abbreviations: BHPS=British Household Panel Survey, HILDA=Household, Income, and Labour Dynamics in Australia, HRS=Health and Retirement Study, MIDUS=Midlife in the United States, WLSG=Wisconsin Longitudinal Study, Graduate sample, WLSS=Wisconsin Longitudinal Study, Sibling sample.
a
Values are means (and standard deviations).
Values percentages (and numbers of participants).