Distribution of responses by level of activity (50+)
| Vigorous activity | Moderate activity | Mild activity | |||||||
| The Netherlands (LISS) | The USA (UAS) | England (ELSA) | The Netherlands (LISS) | The USA (UAS) | England (ELSA) | The Netherlands (LISS) | The USA (UAS) | England (ELSA) | |
| Hardly ever, or never (%) | 45 | 41 | 22 | 22 | 17 | 62 | 17 | 5 | 84 |
| One to three times a month (%) | 9 | 17 | 9 | 15 | 20 | 15 | 7 | 11 | 8 |
| Once a week (%) | 18 | 11 | 12 | 22 | 13 | 7 | 15 | 26 | 1 |
| More than once a week (%) | 29 | 31 | 58 | 41 | 49 | 16 | 60 | 57 | 6 |
| χ2 (3) | P value | χ2 (3) | P value | χ2 (3) | P value | ||||
| LISS vs UAS | 17.57 | 0.00054 | 13.43 | 0.0038 | 34.79 | 1.3e-7 | |||
| LISS vs ELSA | 59.91 | 6.1e-13 | 124.51 | 8.2e-27 | 323.05 | 1.0e-69 | |||
| UAS vs ELSA | 45.39 | 7.6e-10 | 117.48 | 2.7e-25 | 353.21 | 3.0e-76 | |||
ELSA, English Longitudinal Study of Ageing; LISS, Longitudinal Internet Studies for the Social Sciences; UAS, Understanding America Study.