Comparisons of the primary and secondary outcomes between the intervention and usual care groups
| Variable | Mean | Mean difference (95% CI) | |
|---|---|---|---|
| Intervention | Usual care | ||
| Bed days in hospital (primary)* | 2.5 | 1.8 | 0.7 (−1.5 to 5.4) |
| Number of GP visits (secondary) | 1.2 | 1.4 | −0.2 (–0.8 to 0.3) |
| Self-reported health (secondary)† | 2.7 | 3.0 | −0.3 (–0.9 to 0.3) |
*Per 100 winter days.
†1=excellent, …, 5=very poor.
GP, general practitioner.